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searching for Partial pressure 300 found (629 total)

Chlorofluorocarbon (6,466 words) [view diff] exact match in snippet view article find links to article

of age can be derived based on the partial pressure of an individual compound and the ratio of the partial pressure of CFCs to each other (or SF6). The

Pressure suit (2,340 words) [view diff] no match in snippet view article find links to article

be either full-pressure (e.g., a space suit) or partial-pressure (as used by aircrew). Partial-pressure suits work by providing mechanical counter-pressure

Launch Entry Suit (967 words) [view diff] no match in snippet view article find links to article

The Launch Entry Suit (LES), known as the "pumpkin suit", is a partial-pressure suit that was worn by all Space Shuttle crews for the ascent and entry

Fink effect (472 words) [view diff] exact match in snippet view article find links to article

or the "second gas effect", is a factor that influences the pO2 (partial pressure of oxygen) within the pulmonary alveoli. When water-soluble gases such

Dead space (physiology) (2,227 words) [view diff] exact match in snippet view article

{CO2}}}} is the partial pressure of carbon dioxide in the arterial blood, and P e CO 2 {\displaystyle P_{e\,{\ce {CO2}}}} is the partial pressure of carbon

Sparging (chemistry) (401 words) [view diff] exact match in snippet view article

the partial pressure of that gas (in the gaseous state) in contact with the liquid. Sparging introduces a gas that has little or no partial pressure of

Carbonic acid (2,097 words) [view diff] no match in snippet view article find links to article

Carbonic acid is a chemical compound with the chemical formula H2CO3. The molecule rapidly converts to water and carbon dioxide in the presence of water

Pneumatocyst (182 words) [view diff] exact match in snippet view article find links to article

pneumatocysts varies depending on the physiological status of the alga and the partial pressure of gases in the surrounding air or water. The pneumatocyst can hold

List of medical abbreviations (632 words) [view diff] no match in snippet view article find links to article

alveolar carbon dioxide partial pressure Paco2 arterial carbon dioxide partial pressure PAo2 alveolar oxygen partial pressure Pao2 arterial oxygen partial pressure PAS

CO2SYS (671 words) [view diff] exact match in snippet view article find links to article

system parameters (pH, alkalinity, dissolved inorganic carbon, and partial pressure of carbon dioxide) to calculate various chemical properties of the

Carbonation (445 words) [view diff] exact match in snippet view article find links to article

CO(NH2)2 + H2O Henry's law states that PCO2=KBxCO2 where PCO2 is the partial pressure of CO2 gas above the solution. KB is Henry's law constant. KB increases

Hydrogen ion (1,500 words) [view diff] exact match in snippet view article find links to article

proportional to the partial pressure of CO2 in the atmosphere. To maintain equilibrium, a state of high atmospheric partial pressure of CO2 leads to an

Human physiology of underwater diving (12,008 words) [view diff] exact match in snippet view article find links to article

proportion to their concentration, which is proportional to their partial pressure, which for contaminants is increased in proportion to absolute ambient

Oxygen compatibility (1,773 words) [view diff] exact match in snippet view article find links to article

assessed before a component is introduced into an oxygen system. Both partial pressure and concentration of oxygen affect the fire hazard. The issues of cleaning

Boudouard reaction (975 words) [view diff] exact match in snippet view article find links to article

activity of carbon may be calculated for a CO/CO 2 mixture by knowing the partial pressure of each species and the value of Keq. For instance, in a high temperature

Thermodynamic model of decompression (1,555 words) [view diff] exact match in snippet view article find links to article

gas elimination in this tissue is inherent unsaturation, also called partial pressure vacancy or the oxygen window, where oxygen metabolised is replaced

Bühlmann decompression algorithm (2,260 words) [view diff] exact match in snippet view article find links to article

(1-2^{-{\frac {t_{exp}}{t_{1/2}}}})} with the initial partial pressure P0{\displaystyle P_{0}}, the partial pressure in the breathing gas Pgas{\displaystyle P_{gas}}

Acid–base disorder (778 words) [view diff] exact match in snippet view article find links to article

tension, or partial pressure PAO2 Alveolar oxygen tension, or partial pressure PaCO2 Arterial carbon dioxide tension, or partial pressure PACO2 Alveolar

Decompression equipment (6,927 words) [view diff] exact match in snippet view article find links to article

"decompression gas" such as a nitrox blend or pure oxygen. The high partial pressure of oxygen in such decompression mixes produces the effect known as

Respirometer (504 words) [view diff] exact match in snippet view article find links to article

drop of pressure in the chamber can be attributed to the drop of O2 partial pressure in the container. The rate of change gives a direct and reasonably

Alveolar–arterial gradient (1,540 words) [view diff] exact match in snippet view article find links to article

equal (resulting in an A-a gradient of zero). However even though the partial pressure of oxygen is about equilibrated between the pulmonary capillaries and

Molecular diffusion (2,053 words) [view diff] exact match in snippet view article find links to article

{\displaystyle N_{A}=-N_{B}} . The partial pressure of A changes by dPA over the distance dx. Similarly, the partial pressure of B changes dPB. As there is

Scuba gas management (7,644 words) [view diff] exact match in snippet view article find links to article

has to adjust the oxygen partial pressure by adding oxygen or flushing with diluent. On open circuit, the partial pressure is not measured directly,

Shallow-water blackout (281 words) [view diff] exact match in snippet view article find links to article

ascent or immediately after surfacing. This is due to lowered oxygen partial pressure caused by a reduction in ambient pressure. Blackout in the shallow

Carbaminohemoglobin (2,063 words) [view diff] exact match in snippet view article find links to article

influenced by the partial pressure of the molecule carbon dioxide. In tissues where cellular metabolism produces carbon dioxide, the partial pressure is higher

Solid oxide electrolyzer cell (2,882 words) [view diff] exact match in snippet view article find links to article

a cell between electrolyzer and fuel cell modes reduced the oxygen partial pressure build up and drastically increased the lifetime of the electrolyzer

Solid oxide electrolyzer cell (2,882 words) [view diff] exact match in snippet view article find links to article

a cell between electrolyzer and fuel cell modes reduced the oxygen partial pressure build up and drastically increased the lifetime of the electrolyzer

Total inorganic carbon (960 words) [view diff] exact match in snippet view article find links to article

temperature and salinity, as well as chemical variables like pH and gas partial pressure. Variables like alkalinity and dissolved (or total) inorganic carbon

Blood (6,554 words) [view diff] exact match in snippet view article find links to article

below 6.9 or above 7.8 is usually lethal. Blood pH, partial pressure of oxygen (pO2), partial pressure of carbon dioxide (pCO2), and bicarbonate (HCO3−)

Davenport diagram (1,902 words) [view diff] exact match in snippet view article find links to article

taken from a healthy patient and placed in a chamber in which the partial pressure of carbon dioxide (PCO2) is held at 40 mmHg. Once equilibrium is reached

Bohr equation (829 words) [view diff] exact match in snippet view article find links to article

modification by Enghoff replaced the mixed alveolar partial pressure of CO2 with the arterial partial pressure of that gas. The Bohr equation, with Enghoff's

True vapor pressure (157 words) [view diff] exact match in snippet view article find links to article

volatility of petroleum distillate fuels. It is defined as the equilibrium partial pressure exerted by a volatile organic liquid as a function of temperature as

Sulfide stress cracking (295 words) [view diff] exact match in snippet view article find links to article

not rely on atomic hydrogen. At high temperature and high hydrogen partial pressure, hydrogen can diffuse into carbon steel alloys. In susceptible alloys

Undersaturation (142 words) [view diff] no match in snippet view article find links to article

circumstances. It can also refer to a vapor of a compound that has a lower (partial) pressure than the compound's vapor pressure. Undersaturation is often followed

Knudsen cell (210 words) [view diff] exact match in snippet view article find links to article

a Knudsen cell is an effusion evaporator source for relatively low partial pressure elementary sources (e.g. Ga, Al, Hg, As). Because it is easy to control

Ventilation/perfusion ratio (1,180 words) [view diff] exact match in snippet view article find links to article

low arterial partial pressure of oxygen (pO2). Excretion of carbon dioxide is also impaired, but a rise in the arterial partial pressure of carbon dioxide

Thalmann algorithm (1,760 words) [view diff] exact match in snippet view article find links to article

Exponential–Linear model. The Mk15 rebreather supplies a constant partial pressure of oxygen of 0.7 bar (70 kPa) with nitrogen as the inert gas. Prior

HeinrichsWeikamp (77 words) [view diff] exact match in snippet view article find links to article

instruments for scuba diving including personal dive computers and oxygen partial pressure monitors for diving rebreathers. Their products: OSTC, OSTC Mk.2, OSTC

Hyperaemia (952 words) [view diff] exact match in snippet view article find links to article

is a well-characterized fall in the partial pressure of oxygen and pH, along with an increase in partial pressure of carbon dioxide, and a rise in temperature

Tetrachlorodecaoxide (357 words) [view diff] exact match in snippet view article find links to article

action is activation of the macrophage system, and increasing the partial pressure of oxygen in the wound. Maraprygsavan P, Mongkolsuk J, Arnhold J, Kuehne

Carbonic anhydrase inhibitor (1,210 words) [view diff] exact match in snippet view article find links to article

the partial pressure of oxygen is lower and people have to breathe more rapidly to get adequate oxygen. When this happens, the partial pressure of CO2

Clark electrode (715 words) [view diff] exact match in snippet view article find links to article

The Clark electrode is an electrode that measures ambient oxygen partial pressure in a liquid using a catalytic platinum surface according to the net reaction:

Oxygen minimum zone (4,352 words) [view diff] exact match in snippet view article find links to article

(critical partial pressure)- the oxygen level below which an organism cannot support a normal respiration rate Pleth (lethal partial pressure)- the oxygen

Moisture sorption isotherm (493 words) [view diff] exact match in snippet view article find links to article

horizontal axis he used the ratio of partial pressure of the gas just over the sample, divided by its partial pressure at saturation. More modern isotherms

Duhem–Margules equation (550 words) [view diff] exact match in snippet view article find links to article

The equation gives the relation between changes in mole fraction and partial pressure of the components. Let us consider a binary liquid mixture of two component

Sulfite sulfate (1,520 words) [view diff] exact match in snippet view article find links to article

solid form as tetramethyl ammonium salts. They have a significant partial pressure of sulfur dioxide. Related compounds are selenate selenites and tellurate

Decompression (diving) (5,740 words) [view diff] exact match in snippet view article

bubbles. This is facilitated by the highest acceptably safe oxygen partial pressure in the breathing gas, and avoiding gas changes that could cause counterdiffusion

Gas exchange (6,610 words) [view diff] exact match in snippet view article find links to article

cycle (Fig. 5). The alveolar partial pressure of oxygen remains very close to 13–14 kPa (100 mmHg), and the partial pressure of carbon dioxide varies minimally

Acute respiratory distress syndrome (5,990 words) [view diff] exact match in snippet view article find links to article

carbon dioxide. Adult diagnosis is based on a PaO2/FiO2 ratio (ratio of partial pressure arterial oxygen and fraction of inspired oxygen) of less than 300 mm Hg

Hypobaric decompression (1,328 words) [view diff] exact match in snippet view article find links to article

caused by acute exposure to low partial pressure of oxygen and respiratory alkalosis arising from low partial pressure of blood carbon dioxide caused by

Ostwald–Freundlich equation (1,222 words) [view diff] exact match in snippet view article find links to article

p_{\rm {eq}}} = equilibrium partial pressure (or chemical potential or concentration) p{\displaystyle p} = partial pressure (or chemical potential or concentration)

Copper(II) carbonate (722 words) [view diff] exact match in snippet view article

monoclinic structure. The stability of dry CuCO 3 depends critically on the partial pressure of carbon dioxide (pCO2). It is stable for months in dry air, but decomposes

Scuba gas planning (7,765 words) [view diff] exact match in snippet view article find links to article

diver in closed circuit rebreathers, to maintain the set point — the partial pressure of oxygen in the loop that the electronics or diver maintains during

Glomus cell (1,068 words) [view diff] exact match in snippet view article find links to article

chemoreceptors which monitor arterial blood for the partial pressure of oxygen (pO2), partial pressure of carbon dioxide (pCO2) and pH. Glomus type I cells

Oxygen mask (2,250 words) [view diff] exact match in snippet view article find links to article

pressure, and therefore the partial pressure of ambient oxygen, decreases), the oxygen flow increases such that the partial pressure of oxygen is roughly constant

Bohr effect (2,334 words) [view diff] exact match in snippet view article find links to article

\log(P_{50})} vs pH {\textstyle {\text{pH}}} curve where, P50 refers to the partial pressure of oxygen when 50% of haemoglobin's binding sites are occupied. The

Halcyon PVR-BASC (1,027 words) [view diff] exact match in snippet view article find links to article

for shallower dives. The slightly higher feed rates will push the partial pressure of oxygen in the loop closer to the feed gas value. The PVR-BASC has

Ammonia (data page) (259 words) [view diff] exact match in snippet view article

Vapor over aqueous ammonia solution Temp. %wt NH3 Partial pressure NH3 Partial pressure H2O 0 °C 4.72 1.52 kPa 0.68 kPa 9.15 3.31 kPa 0.71 kPa 14.73 6

Extracellular fluid (3,617 words) [view diff] exact match in snippet view article find links to article

directly dependent on the partial pressure of carbon dioxide in the ECF, hyperventilation, which lowers the partial pressure of carbon dioxide in the ECF

NTU method (2,394 words) [view diff] exact match in snippet view article find links to article

partial pressure of air (not including the partial pressure of water vapor in an air mixture) and can be approximated by knowing the partial pressure

Intrapleural pressure (387 words) [view diff] exact match in snippet view article find links to article

(Note: still less than atmospheric pressure, also take note of the partial pressure of carbon dioxide) and the air is given out. The only difference between

Pulmonary shunt (1,490 words) [view diff] exact match in snippet view article find links to article

represents partial pressure of water (approximately 45 mm Hg), FiO2 represents the fraction of inspired oxygen, PaCO2 represents the partial pressure of carbon

Altitude sickness (4,594 words) [view diff] exact match in snippet view article find links to article

symptoms.[citation needed] Those individuals with the lowest initial partial pressure of end-tidal pCO2 (the lowest concentration of carbon dioxide at the

Hypoxic Training Index (391 words) [view diff] exact match in snippet view article find links to article

above 90% produce very little effect or decrease of arterial oxygen partial pressure (PaO2). In order to obtain consistent and comparable values of HTi

Horowitz index (859 words) [view diff] exact match in snippet view article find links to article

of oxygenation index. The Horowitz index is defined as the ratio of partial pressure of oxygen in blood (PaO2), in millimeters of mercury, and the fraction

Hot tapping (579 words) [view diff] exact match in snippet view article find links to article

inside surfaces of the equipment or pipe. Gaseous mixtures in which the partial pressure of hydrogen exceeds 700 kPa gauge, except where evidence from tests

Mechanical counterpressure suit (2,504 words) [view diff] exact match in snippet view article find links to article

A mechanical counterpressure (MCP) suit, partial pressure suit, direct compression suit, or space activity suit (SAS) is an experimental spacesuit which

Brian Andrew Hills (1,952 words) [view diff] exact match in snippet view article find links to article

gas elimination in this tissue is inherent unsaturation, also called partial pressure vacancy or the oxygen window, where oxygen metabolised is replaced

Built-in breathing system (2,112 words) [view diff] exact match in snippet view article find links to article

therapeutic decompression, and hyperbaric oxygen therapy, where a higher partial pressure of oxygen in the chamber would constitute an unacceptable fire hazard

Fick's laws of diffusion (7,094 words) [view diff] exact match in snippet view article find links to article

{\displaystyle f_{i}} has Pa units. f i {\displaystyle f_{i}} is a partial pressure of component i in a vapor f i G {\displaystyle f_{i}^{\text{G}}} or

Bailout bottle (2,040 words) [view diff] exact match in snippet view article find links to article

usually be advantageous. In closed bell diving an unusually high oxygen partial pressure of 2.8 bar as used in therapeutic decompression was recommended by

Rhodobacter sphaeroides (2,051 words) [view diff] exact match in snippet view article find links to article

for sensing O2 tensions. Also, when exposed to a reduction in the partial pressure of oxygen, R. sphaeroides develops invaginations in its cellular membrane

US Navy decompression models and tables (2,791 words) [view diff] exact match in snippet view article find links to article

is not available or the patient cannot tolerate the elevated oxygen partial pressure. 1944 Long Air Recompression Treatment Table with Oxygen: Used for

Effect of oxygen on chronic obstructive pulmonary disease (603 words) [view diff] exact match in snippet view article find links to article

obstructive pulmonary disease have a low partial pressure of oxygen in the blood and high partial pressure of carbon dioxide. Treatment with supplemental

Peter A. Stewart (521 words) [view diff] exact match in snippet view article find links to article

He characterised this, the total weak acid concentration and the partial pressure of CO2 as independent variables and formulated a quartic equation relating

Oxygen equivalent (249 words) [view diff] exact match in snippet view article find links to article

transport. It does so by expressing oxygen concentration as a ratio of the partial pressure of oxygen at a given altitude or pressure to Standard Atmospheric Pressure;

Urea (6,976 words) [view diff] exact match in snippet view article find links to article

decomposition is promoted by reducing the overall pressure, which reduces the partial pressure of both ammonia and carbon dioxide, allowing these gasses to be separated

Toxicity (3,097 words) [view diff] exact match in snippet view article find links to article

the substance, and in the case of gases, the partial pressure (at high ambient pressure, partial pressure will increase for a given concentration as a

Personal Egress Air Pack (374 words) [view diff] no match in snippet view article find links to article

would not have sustained the crew during the two-minute descent. The partial-pressure launch-entry suits replaced the PEAPs, which were subsequently followed

Heat pump and refrigeration cycle (1,907 words) [view diff] exact match in snippet view article find links to article

absorption cycle is similar to the compression cycle, but depends on the partial pressure of the refrigerant vapor. In the absorption system, the compressor

Xenon gas MRI (2,894 words) [view diff] exact match in snippet view article find links to article

significantly decreases the relaxation time, which offers insights into the partial pressure of oxygen (pO2) within regions of the lung. Additionally, the ventilation

United States Navy Experimental Diving Unit (3,631 words) [view diff] exact match in snippet view article find links to article

by Navy Special Forces in 1980, and developed new constant oxygen partial pressure decompression tables to use with the it, as standard open circuit tables

Kussmaul breathing (506 words) [view diff] exact match in snippet view article find links to article

Blood gases of a patient with Kussmaul breathing will show a low partial pressure of CO2 in conjunction with low bicarbonate because of a forced increased

Cerium(IV) oxide (2,034 words) [view diff] exact match in snippet view article

depends on both the temperature, surface termination and the oxygen partial pressure. The equation x 0.35 − x = ( 106 000 Pa P O 2 ) 0.217 exp ⁡ ( − 195

Halcyon RB80 (1,896 words) [view diff] exact match in snippet view article find links to article

mixtures during the dive to suit the depth or for decompression. Oxygen partial pressure in a passive addition system is controlled by the breathing rate of

Excimer laser (2,712 words) [view diff] exact match in snippet view article find links to article

increase in laser energy over time, attributed to increase in hydrogen partial pressure in the gas mixture caused by slow reaction of chlorine with various

Humidex (610 words) [view diff] exact match in snippet view article find links to article

approximately amounts to one Fahrenheit degree for every millibar by which the partial pressure of water in the atmosphere exceeds 10 millibars (10 hPa). At the time

Standard electrode potential (data page) (1,409 words) [view diff] exact match in snippet view article

activity for each solvent and pure solid or liquid species; and Absolute partial pressure 101.325 kPa (1.00000 atm; 1.01325 bar) for each gaseous reagent — the

Latent hypoxia (2,119 words) [view diff] exact match in snippet view article find links to article

final stage of nitrogen narcosis. The minimum tissue and vascular partial pressure of oxygen which will maintain consciousness is about 20 millimetres

Persistent fetal circulation (1,716 words) [view diff] exact match in snippet view article find links to article

signify PPHN are respiratory distress, partial pressure of oxygen greater than 100 mg and elevated partial pressure of carbon dioxide. A gradient of 10%

Electrical resistance heating (2,024 words) [view diff] exact match in snippet view article find links to article

phase. For mutually insoluble compounds, Dalton's law states that the partial pressure of a non aqueous phase liquid (NAPL) is equal to its vapor pressure

Oxygenation index (174 words) [view diff] exact match in snippet view article find links to article

M_{\text{PAW}}}: Mean airway pressure, in mmHg; PaO2{\displaystyle Pa{\ce {O2}}}: Partial pressure of oxygen in arterial blood, in mmHg. Ortiz RM, Cilley RE, Bartlett

VKK flight suit (566 words) [view diff] exact match in snippet view article find links to article

высотный компенсирующий костюм), is a series of Soviet high-altitude partial pressure suit, which loosely translates 'altitude compensation suit'. It has

Portable hyperbaric bag (322 words) [view diff] exact match in snippet view article find links to article

Like office-based hyperbaric medicine, the Gamow bag uses increased partial pressure of oxygen for therapy of hypobaric injury but has the advantage of

Tunnel vision (898 words) [view diff] exact match in snippet view article find links to article

Altitude sickness, hypoxia in passenger aircraft Exposure to oxygen at a partial pressure above 1.5-2 atmospheres, producing central nervous system damage from

Specific humidity capacity (423 words) [view diff] exact match in snippet view article find links to article

relates changes in humidity content in air (ω) to changes in vapor partial pressure (Pv{\displaystyle P_{v}}) and is defined as dω/dPv{\displaystyle d\omega

Breathing apparatus (13,491 words) [view diff] exact match in snippet view article find links to article

partial pressure of oxygen in the blood: a climber breathing pure oxygen at the summit of Mt. Everest has a greater arterial oxygen partial pressure than

David Clark Company (898 words) [view diff] exact match in snippet view article find links to article

and life support systems for NASA and U.S. Air Force. It developed partial pressure suits for NASA's Bell X-1 rocket-powered research aircraft in the 1940s

Scuba diving (17,192 words) [view diff] exact match in snippet view article find links to article

resurgence of interest in rebreather diving. By accurately measuring the partial pressure of oxygen, it became possible to maintain and accurately monitor a

Reference range (5,296 words) [view diff] exact match in snippet view article find links to article

persons (for example, the amount of creatinine in the blood, or the partial pressure of oxygen). It is a basis for comparison for a physician or other health

STS-64 (690 words) [view diff] no match in snippet view article find links to article

full-pressure Advanced Crew Escape Suit, which eventually replaced the partial-pressure Launch Entry Suit. Spaceflight portal List of human spaceflights List

RH (186 words) [view diff] exact match in snippet view article find links to article

known as Restoration Hardware Relative humidity, the ratio of the partial pressure of water vapor to the equilibrium vapor pressure of water at a given

Haldane effect (656 words) [view diff] exact match in snippet view article find links to article

that some patients with emphysema might have an increase in PaCO2 (partial pressure of arterial dissolved carbon dioxide) following administration of supplemental

Mars surface color (1,646 words) [view diff] exact match in snippet view article find links to article

photodissociation of water (H2O)) may have always been a trace component with a partial pressure not exceeding 0.1 micropascal (μPa). One oxygen-(O2)-independent process

Gastric tonometry (573 words) [view diff] exact match in snippet view article find links to article

patients. Tonometry is based on the principle that at equilibrium the partial pressure of a diffusible gas such as CO2 is the same in both the wall and lumen

Glossary of underwater diving terminology: D–G (9,060 words) [view diff] exact match in snippet view article find links to article

manually inject oxygen or diluent as needed to maintain an appropriate partial pressure in the loop. DCIEM Defence and Civil Institute of Environmental Medicine

Edward D. Thalmann (4,339 words) [view diff] exact match in snippet view article find links to article

"Computer algorithms used in computing the MK15/16 constant 0.7 ATA oxygen partial pressure decompression tables". Navy Exp. Diving Unit Res. Report. 1–83. Archived

Oxygen saturation (medicine) (1,034 words) [view diff] exact match in snippet view article

oxygen) when pH is decreased, body temperature is increased, arterial partial pressure of carbon dioxide (PaCO2) is increased, and 2,3-DPG levels (a byproduct

Winters' formula (799 words) [view diff] exact match in snippet view article find links to article

and carotid bodies and respond to changes in the PaCO2, the arterial partial pressure of carbon dioxide. Central chemoreceptors are found in the brainstem

Ultra-high temperature ceramic matrix composite (1,347 words) [view diff] exact match in snippet view article find links to article

certain temperature (it depends on environmental conditions of oxygen partial pressure) starts the active oxidation of silicon carbide matrix to gaseous silicon

Base excess (947 words) [view diff] exact match in snippet view article find links to article

measured by base excess, and a respiratory component, measured by PaCO2 (partial pressure of carbon dioxide). Often a disturbance in one triggers a partial compensation

Cobalt(III) chloride (911 words) [view diff] exact match in snippet view article

trichloride was the predominant cobalt species in the vapor, with partial pressure of 0.72 mm Hg versus 0.62 for the dichloride. However, equilibrium

Science of underwater diving (1,808 words) [view diff] exact match in snippet view article find links to article

proportion to their concentration, which is proportional to their partial pressure, which for contaminants is increased in proportion to absolute ambient

Hypoxia (environmental) (1,978 words) [view diff] exact match in snippet view article

atmospheric pressure decreases as altitude increases, causing a lower partial pressure of oxygen, which is defined as hypobaric hypoxia. Oxygen remains at

Metabolic alkalosis (1,225 words) [view diff] exact match in snippet view article find links to article

the action of the central chemoreceptors which are sensitive to the partial pressure of CO2[citation needed] in the cerebral spinal fluid. So, because of

Azurite (1,801 words) [view diff] exact match in snippet view article find links to article

the conversion of azurite into malachite is attributable to the low partial pressure of carbon dioxide in air. Azurite is quite stable under ordinary storage

John Ernsting (777 words) [view diff] no match in snippet view article find links to article

Partial-pressure suit assemblies. He was head of this division for twenty years from 1957 to 1977. However, the RAF never issued a partial-pressure suit

Lung volumes (1,280 words) [view diff] exact match in snippet view article find links to article

person who spends their life at a high altitude. This is because the partial pressure of oxygen is lower at higher altitude which, as a result means that

Geneva score (912 words) [view diff] exact match in snippet view article find links to article

>100 beats per minute 1 PaCO2 (partial pressure of CO2 in arterial blood) <35mmHg 2 35-39mmHg 1 PaO2 (partial pressure of O2 in arterial blood) <49mmHg

Common octopus (5,128 words) [view diff] exact match in snippet view article find links to article

easy diffusion of the oxygen into the blood. In situations where the partial pressure of oxygen in the water is low, diffusion of oxygen into the blood is

Ocean observations (1,406 words) [view diff] exact match in snippet view article find links to article

Ocean current Ocean color (for biological activity) Carbon dioxide partial pressure (pCO2) Backscatter Carbon Dioxide Chlorophyll Conductivity Density

Electron resonance imaging (1,541 words) [view diff] exact match in snippet view article find links to article

ability of mapping the tissue microenvironment parameters e.g. oxygen partial pressure (pO2), redox status, oxidative stress, thiol concentration, pH, inorganic

Bird anatomy (9,413 words) [view diff] exact match in snippet view article find links to article

cross-current flow exchange system (see illustration on the left). The partial pressure of oxygen in the parabronchi declines along their lengths as O2 diffuses

Underwater diving (16,745 words) [view diff] exact match in snippet view article find links to article

Ascent-induced hypoxia is caused by a drop in oxygen partial pressure as ambient pressure is reduced. The partial pressure of oxygen at depth may be sufficient to

Central neurogenic hyperventilation (2,653 words) [view diff] exact match in snippet view article find links to article

arterial partial pressure of carbon dioxide, a high or normal arterial partial pressure of oxygen, high arterial pH, and tachypnea. The partial pressure of

Hypercapnia (2,891 words) [view diff] exact match in snippet view article find links to article

increase pulmonary capillary resistance.[citation needed] A high arterial partial pressure of carbon dioxide ( P a C O 2 {\displaystyle {P_{a_{CO_{2}}}}} ) causes

Anthophyllite (578 words) [view diff] exact match in snippet view article find links to article

of water and carbon dioxide as a prograde metamorphic reaction. The partial pressure of carbon dioxide (XCO2) in aqueous solution favors production of anthophyllite

Colonization of Titan (1,154 words) [view diff] exact match in snippet view article find links to article

evolve into oxygen and hydrogen. Nitrogen is ideal to add buffer gas partial pressure to breathable air (it forms about 78% of Earth's atmosphere). Nitrogen

Amyl nitrite (1,743 words) [view diff] exact match in snippet view article find links to article

levels of methemoglobin and hemoglobin must accompany any blood gas partial pressure sample in these cases. The Columbo episode titled "Troubled Waters"

Palladium-hydrogen electrode (310 words) [view diff] exact match in snippet view article find links to article

{H} _{abs}} Thus the equilibrium is controlled in one case by the partial pressure or fugacity of molecular hydrogen and in other case—by activity of

RAF North Luffenham (1,008 words) [view diff] exact match in snippet view article find links to article

in the use of flying protective clothing and equipment, including partial pressure suits, which kept the pilot conscious in the event of loss of cabin

Helium-3 (6,924 words) [view diff] exact match in snippet view article find links to article

naturally occurring helium gas is 1.38×10−6 (1.38 parts per million). The partial pressure of helium in the Earth's atmosphere is about 0.52 pascals (7.5×10−5 psi)

Argon oxygen decarburization (1,203 words) [view diff] exact match in snippet view article find links to article

CO(gas) + 2 Cr(bath) To drive the reaction to the forming of CO, the partial pressure of CO is lowered using argon or nitrogen. Since the AOD vessel is not

Diazotroph (1,886 words) [view diff] exact match in snippet view article find links to article

nitrogen are available, and, for many species, when oxygen is at high partial pressure. Bacteria have different ways of dealing with the debilitating effects

Particle horizon (1,477 words) [view diff] exact match in snippet view article find links to article

being a perfect fluid with density ρ i {\displaystyle \rho _{i}} , partial pressure p i {\displaystyle p_{i}} and state equation p i = ω i ρ i {\displaystyle

Krypton (3,146 words) [view diff] exact match in snippet view article find links to article

40% xenon fraction, while avoiding the unwanted effects of a high partial pressure of xenon gas. The metastable isotope krypton-81m is used in nuclear

Surface science (2,483 words) [view diff] exact match in snippet view article find links to article

reaching the sample over a given time period. At 0.1 mPa (10−6 torr) partial pressure of a contaminant and standard temperature, it only takes on the order

Diffusion (8,402 words) [view diff] exact match in snippet view article find links to article

{\displaystyle X_{i}=P_{i}/P} is the partial pressure fraction of the ith species (and P i {\displaystyle P_{i}} is the partial pressure), Y i = ρ i / ρ {\displaystyle

Food packaging (6,668 words) [view diff] exact match in snippet view article find links to article

permeant's molecule normally exhibit a linear dependency with the partial pressure gradient across the barrier layer while keeping the assumption of steady-state

Kawasaki KR-1/KR-1S (1,233 words) [view diff] exact match in snippet view article find links to article

Fokuajasuta: standard 20 mm projection Rear suspension: 21 stage with partial pressure side damping Rizabatanku / mono shock attenuation extensor surfaces

P50 (200 words) [view diff] exact match in snippet view article find links to article

auditory event-related potential recorded using EEG P50 (pressure), the partial pressure of a gas required to achieve 50% enzyme saturation ASCC1, activating

Chemoreceptor (2,598 words) [view diff] exact match in snippet view article find links to article

primarily in pCO2 and H+ ion concentration. They also sense decrease in partial pressure of O2, but to a lesser degree than for pCO2 and H+ ion concentration

Food packaging (6,668 words) [view diff] exact match in snippet view article find links to article

permeant's molecule normally exhibit a linear dependency with the partial pressure gradient across the barrier layer while keeping the assumption of steady-state

Aerogel (7,975 words) [view diff] exact match in snippet view article find links to article

is dependent on the size of the pores within the sample and on the partial pressure of the gas relative to its saturation pressure. The volume of the gas

Pneumonia severity index (839 words) [view diff] exact match in snippet view article find links to article

<130 mmol/liter +20 Glucose ≥250 mg/dl (14 mmol/liter) +10 Hematocrit <30% +10 Partial pressure of arterial O2 <60mmHg +10 Pleural effusion +10 Σ <70 = Risk Class

Chemical kinetics (3,329 words) [view diff] exact match in snippet view article find links to article

This is because the activity of a gas is directly proportional to the partial pressure of the gas. This is similar to the effect of increasing the concentration

Cerebral circulation (1,921 words) [view diff] exact match in snippet view article find links to article

of carbon dioxide. For example, assuming a person with an arterial partial pressure of carbon dioxide (PaCO2) of 40 mmHg (normal range of 38–42 mmHg) and

STS-26 (1,683 words) [view diff] no match in snippet view article find links to article

mission's various experiments, crew members practiced suiting up in new partial-pressure "launch-and-entry" flight suits, and also practiced the unstowing and

Bismuth(III) oxide (2,027 words) [view diff] exact match in snippet view article

carried by electrons) between 550 °C and 650 °C, depending on the oxygen partial pressure. The conductivity in the β, γ and δ-phases is predominantly ionic with

Glycol dehydration (849 words) [view diff] exact match in snippet view article find links to article

glycol, almost all of the enhanced systems center on lowering the partial pressure of water in the system to increase stripping. Common enhanced methods

Space Shuttle (12,116 words) [view diff] no match in snippet view article find links to article

flight suits and partial-pressure helmets. After the Challenger disaster, the crew members wore the Launch Entry Suit (LES), a partial-pressure version of the

Hydrogen cycle (1,387 words) [view diff] exact match in snippet view article find links to article

because fermentation becomes less thermodynamically favorable as the partial pressure of H2 increases. H2 can interfere with the removal of methane from

Spontaneous breathing trial (240 words) [view diff] exact match in snippet view article find links to article

less than 8 cm water "Minimal vent settings" e.g., ratio of arterial partial pressure of oxygen to FIO2 (P/F ratio) in the vicinity of 400 In all of the

Fizz-Keeper (708 words) [view diff] exact match in snippet view article find links to article

CO2. There is more evidence of this in Henry's Law, which shows that partial pressure in the container must be not only restored, but with the same gas.

Iron-binding proteins (1,879 words) [view diff] exact match in snippet view article find links to article

Hemoglobin has various affinities, depending on pH, structure, and CO2 partial pressure. Fetal hemoglobin is a variant containing two gamma subunits instead

Galvani potential (925 words) [view diff] case mismatch in snippet view article find links to article

Jacobsen, Torben; Mogensen, Mogens (2008-12-18). "The Course of Oxygen Partial Pressure and Electric Potentials across an Oxide Electrolyte Cell". ECS Transactions

Permeation (2,108 words) [view diff] exact match in snippet view article find links to article

diatomic molecule, in metal is proportional to the square root of the partial pressure of the gas. The flux can be approximated in this case by the equation

Water treatment (3,581 words) [view diff] exact match in snippet view article find links to article

that the amount of dissolved gas in a liquid is proportionate to the partial pressure of the gas. Degasification is a low-cost method of removing carbon

O-ring (3,361 words) [view diff] exact match in snippet view article find links to article

deformation. Because the ring is subject to the ambient pressure and the partial pressure of gases only at the seal, their gradients will be steep near the seal

History of scuba diving (16,392 words) [view diff] exact match in snippet view article find links to article

resurgence of interest in rebreather diving. By accurately measuring the partial pressure of oxygen, it became possible to maintain and accurately monitor a

Alkali soil (3,229 words) [view diff] exact match in snippet view article find links to article

which would take into account the leaching factor in the field. The partial pressure of dissolved CO2 at the plants root zone also decides the calcium present

Diluent (796 words) [view diff] exact match in snippet view article find links to article

and non-toxic, but may have some level of narcotic effect at high partial pressure. The commonly used diluents for breathing gases are nitrogen, provided

Platinum silicide (999 words) [view diff] exact match in snippet view article find links to article

available for Pt–Si bonding and preventing the silicide formation. A partial pressure of O2 as low at 10−7 has been found to be sufficient to slow the formation

Diving regulator (14,414 words) [view diff] exact match in snippet view article find links to article

therapeutic decompression, and hyperbaric oxygen therapy, where a higher partial pressure of oxygen in the chamber would constitute an unacceptable fire hazard

Modes of mechanical ventilation (5,505 words) [view diff] exact match in snippet view article find links to article

deflate. This mechanism for maintaining inflated alveoli helps increase partial pressure of oxygen in arterial blood, an appropriate increase in CPAP increases

Panic disorder (9,047 words) [view diff] exact match in snippet view article find links to article

moderators of aspects of panic disorder. One such mediator is the partial pressure of carbon dioxide, which mediates the relationship between panic disorder

IEC 60601 (2,748 words) [view diff] exact match in snippet view article find links to article

requirements for the basic safety and essential performance of transcutaneous partial pressure monitoring equipment IEC 60601-2-24 Medical electrical equipment -

Cobalt(II) chloride (2,143 words) [view diff] exact match in snippet view article

lower hydrate, at about 40°C, 89°C, and 125°C, respectively. If the partial pressure of the water vapor is in equilibrium with the solid, as in a confined

Corynebacterium diphtheriae (2,645 words) [view diff] exact match in snippet view article find links to article

in the alveoli decreases due to the lower airflow and decreases the partial pressure of oxygen in the systemic circulation, which can cause cyanosis and

Diving support equipment (1,111 words) [view diff] exact match in snippet view article find links to article

mixture of nitrogen and oxygen Oxygen analyser – Instrument to measure partial pressure of oxygen in a gas mixture Oxygen compatibility – Usability in high-oxygen

Mallory and Irvine Research Expedition (832 words) [view diff] exact match in snippet view article find links to article

to lack of oxygen (which, high up on Everest, is only one-third the partial pressure of oxygen at sea level) in the brain. This condition has led to many

Project Excelsior (1,517 words) [view diff] exact match in snippet view article find links to article

gondola was unpressurized, Kittinger wore a modified David Clark MC-3A partial pressure suit during these tests, plus additional layers of clothing to protect

Dilution refrigerator (1,687 words) [view diff] exact match in snippet view article find links to article

vapor in the still is practically pure 3He, which has a much higher partial pressure than 4He at 500–700 mK. Heat is supplied to the still to maintain a

Hygroscopy (5,212 words) [view diff] exact match in snippet view article find links to article

the vapour pressure of the solution that is formed is less than the partial pressure of water vapour in the air. While some similar forces are at work here

Rumen (3,122 words) [view diff] exact match in snippet view article find links to article

methanogens to reduce carbon dioxide to methane. The maintenance of low partial pressure of hydrogen by methanogens is essential for proper functioning of the

Fat embolism syndrome (2,600 words) [view diff] exact match in snippet view article find links to article

divided into three types: Subclinical FES - It manifests as reduced partial pressure of oxygen (PaO2) on arterial blood gas (ABG) with deranged blood parameters

Effector (biology) (1,130 words) [view diff] exact match in snippet view article

allosteric effect of oxygen on human hemoglobin under high oxygen partial pressure". Scientific Reports. 4 (1): 4601. Bibcode:2014NatSR...4E4601T. doi:10

Headspace gas chromatography for dissolved gas measurement (1,811 words) [view diff] exact match in snippet view article find links to article

determining the concentration of headspace and converting this to the partial pressure and then solving for the aqueous concentration which partitioned in

Dioxygen in biological reactions (1,283 words) [view diff] exact match in snippet view article find links to article

the serum of the blood, where some remains in direct relation to the partial pressure of gasses in the inhaled gas and the balance is bonded to red blood

Fluorescent lamp (11,307 words) [view diff] exact match in snippet view article find links to article

pressure inside the lamp is around 0.3% of atmospheric pressure. The partial pressure of the mercury vapor alone is about 0.8 Pa (8 millionths of atmospheric

GPS meteorology (473 words) [view diff] exact match in snippet view article find links to article

especially valuable because it measures absolute water vapour content or partial pressure rather than relative humidity, which corresponds to water vapour contents

Amine gas treating (2,019 words) [view diff] exact match in snippet view article find links to article

saline aquifers, basaltic rocks...) to dispose of the removed CO2 The partial pressure is the driving force to transfer CO2 into the liquid phase. Under low

Zirconium tungstate (1,051 words) [view diff] exact match in snippet view article find links to article

the decomposition of the ceramic and loss of oxygen under low oxygen partial pressure at high temperature leads to Cu2O formation; (c) copper diffuses into

Armalcolite (1,595 words) [view diff] exact match in snippet view article find links to article

ratio in armalcolite can serve as an indicator of fugacity (effective partial pressure) of oxygen during the mineral's formation. It also allows one to distinguish

List of scientific laws named after people (100 words) [view diff] exact match in snippet view article find links to article

principle Fluid dynamics, Physics Jean le Rond d'Alembert Dalton's law of partial pressure Thermodynamics John Dalton Darcy's law Fluid mechanics Henry Darcy

Brainstem death (2,529 words) [view diff] exact match in snippet view article find links to article

long enough (typically 5 minutes) to ensure elevation of the arterial partial pressure of carbon dioxide to at least 6.0 kPa (6.5 kPa in patients with chronic

Gold cyanidation (2,637 words) [view diff] exact match in snippet view article find links to article

concentration. Intimate oxygen-pulp contactors are used to increase the partial pressure of the oxygen in contact with the solution, thus raising the dissolved

Zugdidi Municipality (2,185 words) [view diff] exact match in snippet view article find links to article

rising from the sea cause high air humidity throughout the year. The partial pressure of water vapor is high in the Black Sea zone. The territory of Zugdidi

Fetal circulation (2,337 words) [view diff] exact match in snippet view article find links to article

than does adult hemoglobin, which, together with the difference in partial pressure of oxygen, allows a diffusion of oxygen from the mother's circulatory

High-altitude pulmonary edema (3,006 words) [view diff] exact match in snippet view article find links to article

mechanism of HAPE. The inciting factor of HAPE is the decrease in partial pressure of arterial oxygen caused by the lower air pressure at high altitudes

Cardiac output (9,349 words) [view diff] exact match in snippet view article find links to article

haemoglobin ) × saturation of blood ( percent ) + 0.0032 × partial pressure of oxygen ( torr ) {\displaystyle {\begin{aligned}{\text{Oxygen content

Ideal gas (3,848 words) [view diff] exact match in snippet view article find links to article

{P}{Po}}\right)} For a mixture (j=1,2,...) of ideal gases, each at partial pressure Pj, it can be shown that the chemical potential μj will be given by

Cascade filling system (1,051 words) [view diff] exact match in snippet view article find links to article

cylinder to the receiving cylinder. Cascade filling is often used for partial pressure blending of breathing gas mixtures for diving, to economize on the

Wood drying (9,284 words) [view diff] exact match in snippet view article find links to article

in different version of diffusion models are moisture content, the partial pressure of water vapour, and the chemical potential of water (Skaar, 1988;

Carbon monoxide (7,521 words) [view diff] exact match in snippet view article find links to article

also take place (very slowly) in an aqueous solution. If the hydrogen partial pressure is high enough (for instance in an underground sea), formic acid will

Demand valve oxygen therapy (994 words) [view diff] exact match in snippet view article find links to article

venting to the exterior is generally used to avoid buildup of oxygen partial pressure in the chamber to dangerous levels which would otherwise require more

Gordon Smith (inventor) (1,468 words) [view diff] exact match in snippet view article

formidable electronics engineering required to automate control of the loop partial pressure of oxygen was neither required nor necessarily the best way to minimise

Zellerite (428 words) [view diff] exact match in snippet view article find links to article

presence of an oxidizing pyrite, where the pH is greater than 7 and the partial pressure of carbon dioxide is greater than the atmosphere's. It is associated

Vacuum furnace (802 words) [view diff] exact match in snippet view article find links to article

LPC. In this process, a gas (such as acetylene) is introduced as a partial pressure into the hot zone at temperatures typically between 1,600 and 1,950 °F

Dehumidifier (3,971 words) [view diff] exact match in snippet view article find links to article

under a concentration difference. Such a difference in concentration (partial pressure) can be caused by vacuum pumping, or simply passing by an airstream

Glossary of underwater diving terminology: A–C (9,383 words) [view diff] exact match in snippet view article find links to article

generally using a procedure to maximise charge pressures. Often used in partial pressure gas blending. catenary anchor leg mooring Single point mooring type

Sputter deposition (2,801 words) [view diff] exact match in snippet view article find links to article

thus needing proper control of the involved parameters, e.g. the partial pressure of working (or inert) and reactive gases, to undermine it. Berg et

Strontium titanate (3,011 words) [view diff] exact match in snippet view article find links to article

readily attacked by hydrofluoric acid. Under extremely low oxygen partial pressure, strontium titanate decomposes via incongruent sublimation of strontium

Membrane distillation (4,204 words) [view diff] exact match in snippet view article find links to article

vapour pressure difference between the two bounding surfaces. This partial pressure difference is the result of a temperature difference between the two

Task loading (1,179 words) [view diff] exact match in snippet view article find links to article

limits, or remain within planned decompression limits monitoring oxygen partial pressure in a rebreather maintaining contact with the guideline in a penetration

Shearwater Research (1,931 words) [view diff] exact match in snippet view article find links to article

Shearwater GF in the Spring of 2006. It was available in either the partial pressure of oxygen with decompression or control versions.[clarification needed]

Isobaric counterdiffusion (1,996 words) [view diff] exact match in snippet view article find links to article

should also be made during breathing of the largest inspired oxygen partial pressure that can be safely tolerated with due consideration to oxygen toxicity

Syntrophy (2,413 words) [view diff] exact match in snippet view article find links to article

bacteria in syntrophic relationship with methanogenic archaea as low H2 partial pressure is essential for acetogenic reactions to be thermodynamically favorable

Titania (moon) (4,837 words) [view diff] exact match in snippet view article

green (0.52–0.59 μm) and violet (0.38–0.45 μm) Voyager filters. The partial pressure of CO2 on the surface of Callisto is about 10 nPa (10 pbar). For instance

Soil consolidation (2,416 words) [view diff] exact match in snippet view article find links to article

for both liquid and solid phases, in which main variables, such as partial pressure, porosity, local velocity etc., were involved by means of the mixture

Osmotic power (3,159 words) [view diff] exact match in snippet view article find links to article

energy – Energy collected from renewable resources Fugacity – Effective partial pressure Concentration cell – galvanic cell that generates a voltage from differing

Hawaii Ocean Time-series (1,422 words) [view diff] exact match in snippet view article find links to article

record of ocean carbon measurements at Station ALOHA document that the partial pressure of CO2 (pCO2) in the mixed layer is increasing at a rate slightly greater

1996 Mount Everest disaster (5,374 words) [view diff] exact match in snippet view article find links to article

lowering the air pressure. He calculates that this typically reduces the partial pressure of oxygen in the air by about 6%, which translates to a 14% reduction

Booster pump (2,135 words) [view diff] exact match in snippet view article find links to article

surface-supplied mixed gas diving, where the component gases are blended by partial pressure addition to the storage cylinders, and the mixture storage pressure

Swimming-induced pulmonary edema (1,911 words) [view diff] exact match in snippet view article find links to article

consciousness. Oxygenation in divers may be affected by breathing gas mix and partial pressure reduction due to ascent. In severe cases hypoxia may cause cardiac

Brownian motion (7,071 words) [view diff] exact match in snippet view article find links to article

gradient given by Fick's law and the velocity due to the variation of the partial pressure caused when ions are set in motion "gives us a method of determining

Wet-bulb temperature (3,342 words) [view diff] exact match in snippet view article find links to article

water in the drop (function of its temperature) is greater than the partial pressure of water vapor in the air stream, evaporation will take place. Initially

Hydrogen storage (14,154 words) [view diff] exact match in snippet view article find links to article

kJ/mol H2). A modified van ’t Hoff equation, relates temperature and partial pressure of hydrogen during the desorption process. The modifications to the

Revelle factor (806 words) [view diff] exact match in snippet view article find links to article

decreases, most of the DIC will be present as CO2 and hence increases its partial pressure (pCO2), and the buffer factor will increase. An increased buffer factor

Carbohydride (1,315 words) [view diff] exact match in snippet view article find links to article

hydrides give off hydrogen when heated, and are in equilibrium with a partial pressure of hydrogen that depends on the temperature. When Ca2LiC3H is heated

Cold fusion (15,959 words) [view diff] exact match in snippet view article find links to article

including palladium hydride, at high densities. This creates a high partial pressure, reducing the average separation of hydrogen isotopes. However, the

John Dalton (5,438 words) [view diff] exact match in snippet view article find links to article

Lancashire, England Known for Atomic theory Dalton's law Dalton's law of partial pressure Daltonism Dalton Minimum Dalton (unit) Awards Royal Medal (1826) FRS

Reference ranges for blood tests (6,105 words) [view diff] exact match in snippet view article find links to article

nmol/L 3.6 4.4 ng/dL Base excess Arterial & venous −3 +3 mEq/L Oxygen partial pressure (pO2) Arterial pO2 10, 11 13, 14 kPa 75, 83 100, 105 mmHg or torr Venous

Ellingham diagram (1,633 words) [view diff] exact match in snippet view article find links to article

Ellingham diagram for several metals giving the free energy of formation of metal oxides and the corresponding oxygen partial pressure at equilibrium.

Mechanical ventilation (5,590 words) [view diff] exact match in snippet view article find links to article

reaches the alveoli and becomes involved in gas exchange. PaCO2 is the partial pressure of carbon dioxide of arterial blood, which determines how well carbon

Steam cracking (1,350 words) [view diff] exact match in snippet view article find links to article

contains acetylene, which is explosive above 200 kPa (29 psi). If the partial pressure of acetylene is expected to exceed these values, the C2 stream is partially

Adsorption (7,116 words) [view diff] exact match in snippet view article find links to article

{\displaystyle \theta ={\frac {KP}{1+KP}},} where P {\displaystyle P} is the partial pressure of the gas or the molar concentration of the solution. For very low

End organ damage (1,465 words) [view diff] exact match in snippet view article find links to article

rate >90 beats per minute Respiratory rate >20 breaths per minute or partial pressure CO2 <32 mm Hg White blood cell count >12000 or <4000 per microliter

Scuba set (11,281 words) [view diff] exact match in snippet view article find links to article

the same internal volume. The common method of blending nitrox by partial pressure requires that the cylinder is in "oxygen service", which means that

Equation of state (5,388 words) [view diff] exact match in snippet view article find links to article

{\frac {V_{1}}{T_{1}}}={\frac {V_{2}}{T_{2}}}.} Dalton's law (1801) of partial pressure states that the pressure of a mixture of gases is equal to the sum

William C. Pfefferle (1,045 words) [view diff] case mismatch in snippet view article find links to article

- Method for Hydrogen Production 3,264,207 - Controlling Hydrogen Partial Pressure in Reforming 3,251,652 - Process for Producing Hydrogen 3,241,293 -

Adaptation (8,070 words) [view diff] exact match in snippet view article find links to article

spending time in high altitude conditions they acclimatize to the reduced partial pressure of oxygen, such as by producing more red blood cells. The ability to

Fitness to dive (9,321 words) [view diff] exact match in snippet view article find links to article

include anxiety and panic, thought to be caused by interaction with high partial pressure of nitrogen and side effects of the drugs. Restrictions on instructors

United States Air Force School of Aerospace Medicine (7,309 words) [view diff] exact match in snippet view article find links to article

the Human Systems Integration Directorate 14 October 1947 The T-1 partial pressure suit's development marked a milestone when Captain Chuck Yeager wore

Fitness to dive (9,321 words) [view diff] exact match in snippet view article find links to article

include anxiety and panic, thought to be caused by interaction with high partial pressure of nitrogen and side effects of the drugs. Restrictions on instructors

Light Heart (balloon) (772 words) [view diff] exact match in snippet view article

which Gatch constructed at home, was designed to maintain the same partial pressure of oxygen as at sea level (40% oxygen at 0.5 atmospheres). Gatch intended

Diving safety (19,138 words) [view diff] exact match in snippet view article find links to article

increase partial pressure when it is below the chosen lower set-point, or to flush with diluent gas when it is above the upper set-point. When the partial pressure

Ultra-high-purity steam for oxidation and annealing (4,705 words) [view diff] exact match in snippet view article find links to article

vapor, the carrier gas molecules generate a partial pressure. This partial pressure lowers the partial pressure of water vapor and slows the diffusion of

Albert R. Behnke (2,402 words) [view diff] exact match in snippet view article find links to article

used by Behnke in 1967. Behnke refers to early work by Momsen on "partial pressure vacancy" (PPV) where he used partial pressures of O2 and He as high

Fixed-point ocean observatory (628 words) [view diff] exact match in snippet view article find links to article

ice Current Ocean colour (for biological activity) Carbon dioxide partial pressure (pCO2) Dissolved oxygen Sub-surface Temperature Salinity Current Nutrients

Benzoctamine (1,847 words) [view diff] exact match in snippet view article find links to article

changes in forced expiratory volume in one second or carbon dioxide partial pressure PCO2. This confirmed previous statements that claimed the drug did

Work of breathing (3,554 words) [view diff] exact match in snippet view article find links to article

be produced. Carbon dioxide removal in the alveoli depends on the partial pressure gradient for carbon dioxide diffusion between blood and the alveolar

Syngas fermentation (583 words) [view diff] exact match in snippet view article find links to article

S.; Kim, B. H.; Lovitt, R. W.; Bang, J. S. (2001). "Effect of CO partial pressure on cell-recycled continuous CO fermentation by Eubacterium limosum

Polymer adsorption (3,017 words) [view diff] exact match in snippet view article find links to article

adsorption isotherm. An adsorption isotherm is a graph of Γ(P,T) versus partial pressure of the adsorbate(P/P0) for a given constant temperature, where Γ(P

Tire (11,638 words) [view diff] exact match in snippet view article find links to article

degradation" can be caused by time, ambient and operating temperatures, partial pressure of O2 in a tire, flex fatigue, or construction and compounding characteristics

Inner ear decompression sickness (3,055 words) [view diff] exact match in snippet view article find links to article

after a switch in which the new gas mixture contains a relatively high partial pressure of a gas with higher diffusivity than the gas replaced, causing a net

Faint young Sun paradox (3,668 words) [view diff] exact match in snippet view article find links to article

scientists have determined that at 4.5 Ga, with a 30% dimmer Sun, a minimum partial pressure of 0.1 bar of CO2 is required to maintain an above-freezing surface

Fetal hemoglobin (4,539 words) [view diff] exact match in snippet view article find links to article

is often used. In a given situation, P50 can be understood as the partial pressure of oxygen at which Hb is 50% saturated. For example, Hemoglobin F has

Surface-supplied diving (13,892 words) [view diff] exact match in snippet view article find links to article

up the required mix for the next dive before re-use. Reducing the partial pressure of the inert gas component of the breathing mixture will accelerate

Bioconcentration (1,781 words) [view diff] exact match in snippet view article find links to article

equilibrium among phases that has units of pressure. It is equivalent to partial pressure for most environmental purposes. It is the absconding propensity of

HAZMAT Class 6 Toxic and infectious substances (688 words) [view diff] exact match in snippet view article find links to article

{10^{6}}{101.3}}[{\tfrac {mL}{m^{3}}}]} where: Pi{\displaystyle P_{i}} = partial pressure of the ith{\displaystyle i^{th}} component substance in kPa at 20°C

Photoplethysmogram (2,131 words) [view diff] exact match in snippet view article find links to article

Since the heart resides in the thoracic cavity between the lungs, the partial pressure of inhaling and exhaling greatly influence the pressure on the vena

Integrated gasification combined cycle (4,275 words) [view diff] exact match in snippet view article find links to article

the high pressure of the syngas. During pre-combustion in IGCC, the partial pressure of CO2 is nearly 1000 times higher than in post-combustion flue gas

Deal–Grove model (1,520 words) [view diff] exact match in snippet view article find links to article

solubility parameter of the Henry's law and Pg{\displaystyle P_{g}} is the partial pressure of the diffusing gas. Solving the quadratic equation for x yields:

Hummingbird (17,607 words) [view diff] exact match in snippet view article find links to article

ranges of 1,500 metres (4,900 ft) to 5,200 metres (17,100 ft) where the partial pressure of oxygen in the air is reduced, a condition of hypoxic challenge for

Cuticle analysis (2,657 words) [view diff] exact match in snippet view article find links to article

fossil cuticles and their record of stomatal density as a proxy for CO2 partial pressure (pCO2). This technique utilises the inverse correlation between stomatal

Diving air compressor (3,596 words) [view diff] exact match in snippet view article find links to article

system before the air is compressed. When the air is compressed, the partial pressure of water vapour is proportionately increased. The air is also heated

Scott Kelly (astronaut) (5,404 words) [view diff] no match in snippet view article

Kelly on STS-103 in a partial-pressure suit for reentry and landing (1999)

Chronic obstructive pulmonary disease (17,022 words) [view diff] exact match in snippet view article find links to article

for those with low oxygen levels in respiratory failure at rest (a partial pressure of oxygen less than 50–55 mmHg or oxygen saturations of less than 88%)

Anna Devor (498 words) [view diff] exact match in snippet view article find links to article

et al. (8 August 2010). "Two-photon high-resolution measurement of partial pressure of oxygen in cerebral vasculature and tissue". Nature Methods. 7 (9):

Atmosphere of Triton (3,726 words) [view diff] exact match in snippet view article find links to article

of 40 μbar (4 Pa). Percentages were derived by dividing the given partial pressure by an assumed atmospheric pressure of 4 Pa. Saturn's moon Enceladus;

Doing It Right (scuba diving) (11,372 words) [view diff] exact match in snippet view article

(30 msw) Partial pressure of oxygen (pO2) not exceeding 1.2 atm (1.2 bar) for the active sectors of a dive. Currently 1.0 atm.[citation needed] Partial pressure

Cardiopulmonary resuscitation (12,657 words) [view diff] exact match in snippet view article find links to article

Retrieved 2010-04-11. Kolar M, Krizmaric M, Klemen P, Grmec S (2008). "Partial pressure of end-tidal carbon dioxide successful predicts cardiopulmonary resuscitation

Carboxyhemoglobin (3,583 words) [view diff] exact match in snippet view article find links to article

via the Bohr effect and Haldane effect (and perhaps local low oxygen partial pressure e.g. active muscles), exhaling the cellular waste product carbon dioxide

Wilhelm Ostwald (5,219 words) [view diff] exact match in snippet view article find links to article

Freundlich in 1909. This mathematical relationship also applies to the partial pressure of substance in the system. The Ostwald-Freundlich equation takes into

Binary compounds of hydrogen (3,909 words) [view diff] exact match in snippet view article find links to article

molecular hydrides usually require extremely mild conditions, which are partial pressure and cryogenic temperature. The reason for this is threefold - firstly

Mechanism of diving regulators (13,964 words) [view diff] exact match in snippet view article find links to article

therapeutic decompression, and hyperbaric oxygen therapy, where a higher partial pressure of oxygen in the chamber would constitute an unacceptable fire hazard

Diving chamber (5,695 words) [view diff] exact match in snippet view article find links to article

sickness (recompression chambers) to treat people using raised oxygen partial pressure in hyperbaric oxygen therapy for conditions unrelated to diving. in

Julian Elvis Ward Jr. (825 words) [view diff] exact match in snippet view article find links to article

Ward entered US Air Force as First Lieutenant. He helped develop a partial pressure suit (prototype space suit) at Gunter AFB, near Montgomery, Alabama

Bosch-Meiser process (1,245 words) [view diff] exact match in snippet view article find links to article

decomposition is promoted by reducing the overall pressure, which reduces the partial pressure of both ammonia and carbon dioxide, allowing these gasses to be separated

Oxygen storage (1,374 words) [view diff] exact match in snippet view article find links to article

at moderate temperatures (300–500 °C) during changes of the oxygen partial pressure. The properties of the particular material depends on the substituted

Soil (22,546 words) [view diff] exact match in snippet view article find links to article

S.; Friend, Aaron L.; Wood, James R. (2005). "Soil carbon dioxide partial pressure and dissolved inorganic carbonate chemistry under elevated carbon dioxide

Arsenic poisoning (9,443 words) [view diff] exact match in snippet view article find links to article

tumor sites connected with arsenic exposure. Considering that a high partial pressure of oxygen is present in lungs and DMA(III) is excreted in gaseous state

Grinker myelinopathy (1,334 words) [view diff] exact match in snippet view article find links to article

hypoxic episode is necessarily severe, usually with an arterial oxygen partial pressure less than 40mmHg. Following the severe hypoxia, the patient typically

American flamingo (6,749 words) [view diff] exact match in snippet view article find links to article

a shunt mechanism, which allow it to still maintain a sustainable partial pressure of carbon dioxide in the blood. Since the avian integument is not equipped

BET theory (3,749 words) [view diff] exact match in snippet view article find links to article

{\displaystyle n} th layer with θ n {\displaystyle \theta _{n}} and the partial pressure of A with P {\displaystyle P} , the last equilibrium can be written

Livedoid vasculopathy (2,043 words) [view diff] exact match in snippet view article find links to article

and pressure to build up in the dermal superficial veins. The oxygen partial pressure in the skin decreases as a result of the blood flow obstruction, triggering

Ozone (18,051 words) [view diff] exact match in snippet view article find links to article

The distribution of atmospheric ozone in partial pressure as a function of altitude

Ozone depletion (15,733 words) [view diff] exact match in snippet view article find links to article

The distribution of atmospheric ozone in partial pressure as a function of altitude

Atmospheric correction for interferometric synthetic aperture radar technique (4,340 words) [view diff] exact match in snippet view article find links to article

indicates total atmospheric pressure, T is the temperature and e is the partial pressure of water vapor. The coefficients k1 =0.776 K/Pa, k2 = 0.716 K/Pa, and

Phytane (2,160 words) [view diff] exact match in snippet view article find links to article

with photosynthesis, over the past 500 million years. In this study, partial pressure of CO2 reached more than 1000 ppm at maxima compared to 410 ppm today

Barotrauma (7,784 words) [view diff] exact match in snippet view article find links to article

gas concentration may accelerate inert gas solution, and high oxygen partial pressure helps oxygenate tissues compromised by the emboli. Care must be taken

Ross Gyre (4,043 words) [view diff] exact match in snippet view article find links to article

production and ice melt. During the austral summer and the austral winter, partial pressure of carbon dioxide (pCO₂), Nitrate [NO⁻₃], and Phosphate [PO₄³⁻], total

Oxygen therapy (7,089 words) [view diff] exact match in snippet view article find links to article

Physiologically, it may be indicated in people with arterial oxygen partial pressure PaO 2 ≤ 55mmHg (7.3kPa) or arterial oxygen saturation SaO 2 ≤ 88%.

Syntrophobacter wolinii (659 words) [view diff] exact match in snippet view article find links to article

CO2 and H2. This process is energetically favorable only under low partial pressure of H2 gas, specifically below 10-5 atm. At high partial pressures of

Sequential infiltration synthesis (3,270 words) [view diff] exact match in snippet view article find links to article

the precursor pulses are much shorter in duration and have lower partial pressure compared to SIS, as they only need to provide sufficient exposure to

Organisms at high altitude (5,491 words) [view diff] exact match in snippet view article find links to article

Spicer, John I. (11 March 2011). "Oxygen supply in aquatic ectotherms: Partial pressure and solubility together explain biodiversity and size patterns". Ecology

Seasoning (cookware) (2,048 words) [view diff] exact match in snippet view article

this temperature, it evaporates on the iron surface and increases the partial pressure of O2 (oxygen gas) on the pot surface. This transport of oxygen encourages

Cavitation (9,115 words) [view diff] exact match in snippet view article find links to article

the meteorological definition of vapor pressure, which describes the partial pressure of water in the atmosphere at some value less than 100% saturation

Polymer devolatilization (1,102 words) [view diff] exact match in snippet view article find links to article

: 14–34 This effect can be enhanced via higher temperatures or lower partial pressure of the volatile component by applying an inert gas or lower pressure

Ultrapure water (8,433 words) [view diff] exact match in snippet view article find links to article

electrolyte develop an electric current directly proportional to the oxygen partial pressure of the sample. The signal is temperature compensated for the oxygen

James Holmes Sturdivant (1,136 words) [view diff] case mismatch in snippet view article find links to article

Wood, and J. H. Sturdivant (1946): "An Instrument for Determining the Partial Pressure of Oxygen in a Gas". Journal of the American Chemical Society, volume

Atmosphere of Uranus (6,130 words) [view diff] exact match in snippet view article find links to article

undersaturated in the upper troposphere above the clouds having a partial pressure of only 30% of the saturated vapor pressure there. The concentration

Enhanced weathering (2,989 words) [view diff] exact match in snippet view article find links to article

exactly 1:1 in natural systems but is a function of temperature and CO2 partial pressure. The net CO2 sequestration of carbonate weathering reaction and carbonate

Dirubidium (1,330 words) [view diff] exact match in snippet view article find links to article

varies with its density, which depends on the temperature. At 200° the partial pressure of Rb2 is only 0.4%, at 400 °C it constitutes 1.6% of the pressure

Nuclear reprocessing (9,019 words) [view diff] exact match in snippet view article find links to article

volatile fluorides, but these compounds are not stable when the fluorine partial pressure is decreased. Most of the plutonium and some of the uranium will initially

Pourbaix diagram (4,313 words) [view diff] exact match in snippet view article find links to article

approximated as equal to the concentration (for soluble species) or partial pressure (for gases). The same values should be used for all species present

Recreational diving (8,145 words) [view diff] exact match in snippet view article find links to article

40% for the planned dive, but this does not preclude constant oxygen partial pressure nitrox provided by electronically controlled closed circuit rebreathers

Scuba diving fatalities (7,502 words) [view diff] exact match in snippet view article find links to article

nitrox dives, including a seizure witnessed at a depth where the oxygen partial pressure would have been approximately 1 bar, normally considered safe. Loss

Ocean acidification (14,781 words) [view diff] exact match in snippet view article find links to article

2003). "Response of coccolithophorid Emiliania huxleyi to elevated partial pressure of CO2 under nitrogen limitation". Marine Ecology Progress Series.