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searching for Absorbed dose 52 found (158 total)

External beam radiotherapy (2,796 words) [view diff] exact match in snippet view article find links to article

heavier particles, particularly protons, owing to the rapid decrease in absorbed dose beneath the depth of the target. Teletherapy is the most common form

Bragg–Gray cavity theory (507 words) [view diff] exact match in snippet view article find links to article

would exist in m {\displaystyle m} in the absence of the cavity. The absorbed dose in the cavity containing g {\displaystyle g} is deposited entirely by

Personal RF safety monitor (1,598 words) [view diff] exact match in snippet view article find links to article

between a "Monitor" and a "Dosimeter" is that a Dosimeter can measure the absorbed dose of ionizing radiation, which does not exist for RF Monitors. Monitors

List of medical abbreviations: R (0 words) [view diff] exact match in snippet view article find links to article

anal dilatation right axis deviation reactive airway disease radiation absorbed dose reactive attachment disorder Rad hys radical hysterectomy RAE right

Polyvinyl toluene (275 words) [view diff] exact match in snippet view article find links to article

radiation), the amount of visible radiation emitted is proportional to the absorbed dose as long as the energy loss per length is not too large. A relation applicable

Radiometric calibration (572 words) [view diff] exact match in snippet view article find links to article

Year System Exposure (X) röntgen R esu / 0.001293 g of air 1928 non-SI Absorbed dose (D) erg•g−1 1950 non-SI rad rad 100 erg•g−1 1953 non-SI gray Gy J•kg−1

Banana equivalent dose (1,723 words) [view diff] exact match in snippet view article find links to article

is reduced by a factor of ten, for example, the estimated equivalent absorbed dose due to the banana will be reduced in the same proportion. These amounts

Absorption (skin) (3,176 words) [view diff] exact match in snippet view article

of chemicals from contaminated water. Mathematical formula: Dermally absorbed dose rate = concentration in water × surface area exposed × exposure time

List of scientific units named after people (664 words) [view diff] exact match in snippet view article find links to article

Charles-Augustin de Coulomb farad (F), capacitance – Michael Faraday gray (Gy), absorbed dose of radiation – Louis Harold Gray henry (H), inductance – Joseph Henry

Neutron radiation (2,626 words) [view diff] exact match in snippet view article find links to article

gamma rays. Neutrons readily pass through most material, and hence the absorbed dose (measured in grays) from a given amount of radiation is low, but interact

Outline of energy (2,240 words) [view diff] exact match in snippet view article find links to article

equivalent. Gray (unit) – (symbol: Gy), is the SI unit of energy for the absorbed dose of radiation. One gray is the absorption of one joule of radiation energy

Elimination (pharmacology) (933 words) [view diff] exact match in snippet view article

half life of elimination is the time required to eliminate 50% of the absorbed dose of a drug from an organism. Or put another way, the time that it takes

Health threat from cosmic rays (6,345 words) [view diff] exact match in snippet view article find links to article

Laboratory while traveling from the Earth to Mars in 2011–2012. However, the absorbed dose and dose equivalent for a Mars mission were predicted in the early 1990s

John R. Cunningham (431 words) [view diff] exact match in snippet view article find links to article

is a pioneer in developing computational techniques for calculating absorbed dose from radiation beams, and computer software and algorithms he developed

Cobalt-60 (2,620 words) [view diff] exact match in snippet view article find links to article

radioactive activity of a gram of 60Co is close to 42 TBq (1,100 Ci). The absorbed dose constant is related to the decay energy and time. For 60Co it is equal

South Atlantic Anomaly (1,611 words) [view diff] exact match in snippet view article find links to article

Measurements on Space Shuttle flight STS-94 have ascertained that absorbed dose rates from charged particles have extended from 112 to 175 μGy/day,

EXPOSE (7,283 words) [view diff] exact match in snippet view article find links to article

from the Sun for considerably longer time. The highest daily averaged absorbed dose rate of 426 μGy per day came from the 'South Atlantic Anomaly' (SAA)

Committed dose equivalent (1,232 words) [view diff] exact match in snippet view article find links to article

the equivalent dose, HT, to a tissue or organ, T. Where DT,R is the absorbed dose in rads (one gray, an SI unit, equals 100 rads) averaged over the tissue

Tadalafil (3,239 words) [view diff] exact match in snippet view article find links to article

to 36 hours, after which time there remains approximately 25% of the absorbed dose in the body) when compared to the four-hour half–life of sildenafil

Composition of Mars (9,010 words) [view diff] exact match in snippet view article find links to article

millions of years younger by drilling close to an overhanging outcrop. The absorbed dose and dose equivalent from galactic cosmic rays and solar energetic particles

List of equations in nuclear and particle physics (379 words) [view diff] exact match in snippet view article find links to article

standard symbol) τ = 1 / λ {\displaystyle \tau =1/\lambda \,\!} s [T] Absorbed dose, total ionizing dose (total energy of radiation transferred to unit

List of equations in nuclear and particle physics (379 words) [view diff] exact match in snippet view article find links to article

standard symbol) τ = 1 / λ {\displaystyle \tau =1/\lambda \,\!} s [T] Absorbed dose, total ionizing dose (total energy of radiation transferred to unit

Albert Stevens (2,771 words) [view diff] exact match in snippet view article find links to article

converted to the bone's surface dose, which was 7,420 rad. Stevens's absorbed dose was almost entirely based on the Pu-238 in his system. One of the findings

Herbal tea (3,739 words) [view diff] exact match in snippet view article find links to article

cause the drug to be dangerously ineffective, or increase its effective absorbed dose to potentially toxic levels, respectively. Best known examples of adverse

Crystal oscillator (9,470 words) [view diff] exact match in snippet view article find links to article

pressure of the gas in the enclosure, interfering modes, and presence and absorbed dose of ionizing and neutron radiation. The stability of AT cut crystals

Ataxia (5,946 words) [view diff] exact match in snippet view article find links to article

be induced as a result of severe acute radiation poisoning with an absorbed dose of more than 30 grays.Furthermore, those with ataxia telangiectasia

Classical mechanics (5,826 words) [view diff] exact match in snippet view article find links to article

acceleration s−2 jerk m·s−3 "angular jerk" s−3 specific energy m2·s−2 absorbed dose rate m2·s−3 moment of inertia kg·m2 momentum kg·m·s−1 angular momentum

Thallium (5,786 words) [view diff] exact match in snippet view article find links to article

avoid this route of exposure, as cutaneous absorption can exceed the absorbed dose received by inhalation at the permissible exposure limit (PEL). Exposure

NASA Space Radiation Laboratory (633 words) [view diff] exact match in snippet view article find links to article

series of beams, from H+ to Fe26+, of various energies, which mimics the absorbed dose to living issue over a period of time during beyond Earth orbit missions

Geomagnetic storm (5,594 words) [view diff] exact match in snippet view article find links to article

and eventually flight paths and altitudes to be adjusted to lower the absorbed dose. Ground level enhancements, also known as ground level events or GLEs

Plutonium-238 (3,992 words) [view diff] exact match in snippet view article find links to article

radiation dose of any human patient. Modern calculations of his lifetime absorbed dose give a significant 64 Sv (6400 rem) total. The first application of

Fumonisin B1 (3,216 words) [view diff] exact match in snippet view article find links to article

approximately 10-fold higher than in the liver. Plasma distribution of the absorbed dose conformed to a two-compartment open model and the tissue (liver, kidney)

Breast imaging (3,430 words) [view diff] exact match in snippet view article find links to article

makes up 98% of the effective dose. Currently, the mean value of the absorbed dose in the glandular tissue is used as a description of radiation risk since

Gel dosimetry (3,726 words) [view diff] exact match in snippet view article find links to article

and agarose, which showed that the relaxation rates increased with absorbed dose. In 1992 a new gel dosimetry formulation was proposed by Maryanski et

Therac-25 (3,914 words) [view diff] exact match in snippet view article find links to article

that the applied dose was between 15,000 and 20,000 rad (radiation absorbed dose) when she should have been dosed with 200 rad. A dose of 1000 rad can

Timeline of Mars Science Laboratory (13,667 words) [view diff] exact match in snippet view article find links to article

millions of years younger by drilling close to an overhanging outcrop. The absorbed dose and dose equivalent from galactic cosmic rays and solar energetic particles

Aeolis quadrangle (14,202 words) [view diff] exact match in snippet view article find links to article

millions of years younger by drilling close to an overhanging outcrop. The absorbed dose and dose equivalent from galactic cosmic rays and solar energetic particles

Uranium (12,403 words) [view diff] exact match in snippet view article find links to article

T.; Zoetelief, J.; Zweers, D. (1997). "Survey of CT techniques and absorbed dose in various Dutch hospitals". The British Journal of Radiology. 70 (832):

Nuclear fallout (9,592 words) [view diff] exact match in snippet view article find links to article

injury, with the rates above the background prevalence, depending on the absorbed dose, include carcinogenesis, cataract formation, chronic radiodermatitis

Food irradiation (7,336 words) [view diff] exact match in snippet view article find links to article

target material, and so radioactivity can not be induced. The radiation absorbed dose is the amount energy absorbed per unit weight of the target material

List of alumni of Trinity College, Cambridge (3,699 words) [view diff] exact match in snippet view article find links to article

(1905–1965), invented the field of radiobiology; namesake of unit of absorbed dose Gray J. B. Gunn (1928–2008), physicist; inventor of the Gunn diode Thomas

Life on Mars (19,944 words) [view diff] exact match in snippet view article find links to article

detector (RAD) instrument on board the Curiosity rover revealed that the absorbed dose measured is 76 mGy/year at the surface, and that "ionizing radiation

Effects of ionizing radiation in spaceflight (5,311 words) [view diff] exact match in snippet view article find links to article

weight, wT, according to its estimated contribution to cancer risk. The absorbed dose, Dγ, that is delivered to each tissue is determined from measured dosimetry

James B. Adams (professor) (1,431 words) [view diff] exact match in snippet view article

Berglund A (1997). "Mercury exposure from dental amalgam fillings: absorbed dose and the potential for adverse health effects". Critical Reviews in Oral

Radiation-induced cognitive decline (3,527 words) [view diff] exact match in snippet view article find links to article

is equal to one; so the equivalent dose in Sv units is equal to the absorbed dose in Gy. Monje, Michelle L.; Mizumatsu, Shinichiro; Fike, John R.; Palmer

Effects of the Chernobyl disaster (14,106 words) [view diff] exact match in snippet view article find links to article

degree granting institution. (2015). Thyroid nodules as related to absorbed dose from iodine-131 in a Ukrainian cohort following the Chernobyl accident

List of ISO standards 30000–99999 (3,722 words) [view diff] no match in snippet view article find links to article

self-contained dry-storage gamma irradiator ISO/ASTM 52303:2015 Guide for absorbed-dose mapping in radiation processing facilities ISO/ASTM 52628:2013 Standard

2020 Punjab alcohol poisoning (2,950 words) [view diff] exact match in snippet view article find links to article

severe cases, seizures of the brain can cause a coma. Depending on the absorbed dose, decompensated metabolic acidosis occurs after a latent period of 6

Extreme ultraviolet lithography (13,353 words) [view diff] exact match in snippet view article find links to article

Stochastic defects tend to occur where there is stochastic absorbed dose variation near the threshold dose. These are indicated by where the blue specks

List of words having different meanings in American and British English (M–Z) (1,396 words) [view diff] case mismatch in snippet view article

(slang) TV antenna (usage becoming obsolete) rad acronym from Radiation Absorbed Dose, an obsolete unit for absorbed ionizing radiation dose abbreviation

List of eponyms (A–K) (11,082 words) [view diff] exact match in snippet view article

Graves–Basedow disease Louis Harold Gray, British physicist – gray, unit of absorbed dose of radiation Gregory I, Italian pope – Gregorian music Gregory XIII

Central nervous system effects from radiation exposure during spaceflight (9,537 words) [view diff] exact match in snippet view article find links to article

measure to GCR risks on the CNS. For SPEs, the possibility exists for an absorbed dose of over 1 Gy from an SPE if crew members are in a thinly shielded spacecraft