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searching for Dark current (chemistry) 53 found (57 total)

alternate case: dark current (chemistry)

Photoreceptor cell (4,906 words) [view diff] no match in snippet view article find links to article

Dark current : Unstimulated (in the dark), cyclic-nucleotide gated channels in the outer segment are open because cyclic GMP (cGMP) is bound ...
Dark current (physics) (195 words) [view diff] no match in snippet view article find links to article
In physics and in electronic engineering , dark current is the relatively small electric current that flows through photosensitive ...
Dark current spectroscopy (55 words) [view diff] no match in snippet view article find links to article
Dark Current Spectroscopy is a technique that is used to determine contaminants in silicon . References: refs. Category:Silicon chemistry ...
Charge-coupled device (5,827 words) [view diff] no match in snippet view article find links to article
Once developed, the dark frame average image is then subtracted from the open-shutter image to remove the dark current and other ...
Photodiode (2,478 words) [view diff] no match in snippet view article find links to article
The total current through the photodiode is the sum of the dark current (current that is generated in the absence of light) and the ...
Dark-frame subtraction (378 words) [view diff] no match in snippet view article find links to article
A dark frame, or an average of several dark frames, can then be ... correct for fixed-pattern noise such as that caused by dark current . ...
Bias frame (218 words) [view diff] no match in snippet view article find links to article
and some of which is due to dark current and is proportional to the exposure time, it is possible to obtain an image representing only the ...
Flat-field correction (602 words) [view diff] no match in snippet view article find links to article
A flat-field consists of two numbers for each pixel, the pixel's gain and its dark current (or dark frame ). The pixel's gain is how the ...
Image sensor format (6,235 words) [view diff] no match in snippet view article find links to article
However, in most sensors the mean pixel dark current at normal temperatures is small, lower than 50 e- per second thus for typical ...
Hole accumulation diode (271 words) [view diff] no match in snippet view article find links to article
function by reducing dark current that occur in the absence of light falling on the imager for noise reduction and enhanced image quality. ...
Staebler–Wronski effect (1,052 words) [view diff] no match in snippet view article find links to article
They showed that the dark current and photoconductivity of hydrogenated amorphous silicon can be reduced significantly by prolonged ...
Staying Fat for Sarah Byrnes (1,742 words) [view diff] no match in snippet view article find links to article
Eric must uncover the terrible secret she's hiding, before its dark currents pull them both under. Plot summary: Eric “Moby” Calhoune’s best ...
Photomultiplier (4,525 words) [view diff] no match in snippet view article find links to article
A photomultiplier will produce a small current even without incident photons; this is called the dark current . designed to minimise dark current. ...
Radiometric calibration (122 words) [view diff] no match in snippet view article find links to article
There are usually three main parts of the CCD output to be considered; dark current , vignetting and Quantum efficiency . After a set of ...
Visual phototransduction (1,630 words) [view diff] no match in snippet view article find links to article
In the dark, cGMP levels are high and keep cGMP-gated sodium channels open allowing a steady inward current, called the dark current. ...
Image noise (2,840 words) [view diff] no match in snippet view article find links to article
noise is sometimes known as "dark shot noise" or "dark-current shot noise Dark current is greatest at "hot pixels" within the image sensor. ...
Avalanche photodiode (1,200 words) [view diff] no match in snippet view article find links to article
and then used to generate primary charge carriers; and total leakage current, which is the sum of the dark current and photocurrent and noise. ...
Cyclic nucleotide-gated ion channel (4,811 words) [view diff] no match in snippet view article find links to article
This depolarizing flow of ions is known as the dark current . When the retina of the eye detects light, a reaction known as a ...
Photocathode (858 words) [view diff] no match in snippet view article find links to article
Since Ag-O-Cs has a higher dark current than more modern materials photomultiplier tubes with this photocathode material are nowadays ...
SIR-2 (567 words) [view diff] no match in snippet view article find links to article
SIR performed the same mission, but had a problem with dark current induced noise due to varying temperatures caused by differences in ...
Infrared photography (4,628 words) [view diff] no match in snippet view article find links to article
those used in infrared astronomy often require cooling to reduce thermally induced dark currents in the sensor (see Dark current (physics)). ...
Black Canaan (3,354 words) [view diff] no match in snippet view article find links to article
whites and blacks, at least in the South, a deep, dark current flows forever, out of sight of the whites who but dimly suspect its existence. ...
Lamia (2,518 words) [view diff] no match in snippet view article find links to article
In 2012, a benevolent lamia appears as a key character in the Jacqueline Carey novel Dark Currents It appears in the movie Drag Me to Hell ...
Laser beam profiler (5,581 words) [view diff] no match in snippet view article find links to article
The finite value is due to dark current , readout noise , and other noise sources. For shot-noise -limited noise sources, baseline ...
Photoconductive atomic force microscopy (9,506 words) [view diff] no match in snippet view article find links to article
Most sampling procedures often begin by obtaining the dark current images of the sample. Dark current is referred to as the photocurrent ...
Atoms for Peace (band) (1,934 words) [view diff] no match in snippet view article find links to article
Peppers , Ultraísta , Forro in the Dark | current_members Thom Yorke Flea Nigel Godrich Joey Waronker Mauro Refosco | website atomsforpeace. ...
Thermophotovoltaic (5,489 words) [view diff] no match in snippet view article find links to article
As a result, Ge diodes have fast decaying “darkcurrent and therefore, a low open-circuit voltage. In addition, surface passivation of ...
Index of physics articles (D) (1,765 words) [view diff] no match in snippet view article find links to article
D Dark current (physics) Dark energy Dark flow Dark fluid Dark galaxy Dark matter Dark optical trap Dark radiation Dark star (Newtonian ...
Single-photon avalanche diode (1,382 words) [view diff] no match in snippet view article find links to article
Because the device is operating in this unstable above-breakdown regime, a single photon (or a single dark current electron) can set off a ...
PIN diode (1,539 words) [view diff] no match in snippet view article find links to article
Under reverse bias, the diode ordinarily does not conduct (save a small dark current or I s leakage). When a photon of sufficient energy ...
Infrared astronomy (1,725 words) [view diff] no match in snippet view article find links to article
Special requirements for infrared astronomy include: very low dark currents to allow long integration times, associated low noise readout ...
Indium gallium arsenide (3,444 words) [view diff] no match in snippet view article find links to article
time response, higher quantum efficiency and lower dark current for the same sensor area GaInAs photodiodes were invented in 1977 by Pearsall ...
HoloVID (883 words) [view diff] no match in snippet view article find links to article
The residue product product charge dynamic value in each light diode cell is a function of the bias current, the dark current and the ...
Lead selenide (1,308 words) [view diff] no match in snippet view article find links to article
the reduction of the Auger mechanism and the reduction of the dark current associated with the presence of multiple intergrain depletion ...
BSFA Award for Best Artwork (688 words) [view diff] no match in snippet view article find links to article
Ben Baldwin - cover of Dark Currents (Newcon Press) Blacksheep - cover of Adam Roberts' Jack Glass (Gollancz) Dominic Harman - cover of Eric ...
Starlink Project (1,599 words) [view diff] no match in snippet view article find links to article
They allow you to debias, remove dark current, pre-flash, flatfield, register, resample, normalize and combine your data. AST : A flexible ...
Motion detection (1,109 words) [view diff] no match in snippet view article find links to article
Since images will naturally differ due to factors such as varying lighting, camera flicker , and CCD dark current s, pre-processing is ...
Jacqueline Carey (1,657 words) [view diff] no match in snippet view article find links to article
Fiction : 1 Dark Currents (October 2012) 2 Autumn Bones (October 2013) 3 Poison Fruit (October 2014) Short stories ": "Martyr of the Roses" in ...
Wide dynamic range (990 words) [view diff] no match in snippet view article find links to article
The darkest signal is constrained by the thermal noise , or "dark current", of the sensor. The brightest signal is limited by the total ...
S Ori 70 (935 words) [view diff] no match in snippet view article find links to article
standard technique used with near-infrared images; after subtracting the sky background and dark current, an extracted object spectrum was derived. ...
Position sensitive device (1,131 words) [view diff] no match in snippet view article find links to article
y k_y \cdot \frac I_2 - I_1 I_2 + I_1 The 2-D tetra-lateral PSD has the advantages of fast response, much lower dark current, easy bias ...
Adam Nevill (1,011 words) [view diff] no match in snippet view article find links to article
The Age of Entitlement (2012, published in Dark Currents) Pig Thing (2012, first published in Exotic Gothic 4) The Angels of London (2013, ...
Back-illuminated sensor (1,436 words) [view diff] no match in snippet view article find links to article
photocathode layer can lead to a host of problems, such as cross-talk , which causes noise , dark current , and color mixing between adjacent pixels. ...
Catalina Sky Survey (967 words) [view diff] no match in snippet view article find links to article
The cameras are cooled to approximately -100 °C so their dark current is about 1 electron per hour. These 4096×4096 pixel cameras provide ...
The Girl at the Lion d'Or (2,092 words) [view diff] no match in snippet view article find links to article
campaign carried out against Anne Louvert's mother and the anti-Semitic lies spread about Hartmann are dark currents running through the book. ...
Active pixel sensor (3,194 words) [view diff] no match in snippet view article find links to article
photodiode was originally used in interline transfer CCDs due to its low dark current and good blue response, and when coupled with the ...
Active pixel sensor (3,194 words) [view diff] no match in snippet view article find links to article
photodiode was originally used in interline transfer CCDs due to its low dark current and good blue response, and when coupled with the ...
Neutron activation analysis (2,386 words) [view diff] no match in snippet view article find links to article
nitrogen to reduce dark current and detector noise, produces a signal which is proportional to the photon energy of the incoming radiation. ...
List of astronomy acronyms (12,155 words) [view diff] no match in snippet view article find links to article
MPP – (instrumentation) Multi-Pinned-Phase, CCD technology that reduces dark current noise. MPCS – (publication) Minor Planet circulars ...
2006 in poetry (5,643 words) [view diff] no match in snippet view article find links to article
Dunkelströme ("Dark Current") Kookbooks, 72 pages, ISBN 978-3-937445-18-2 Christoph Janacs , Unverwandt den Schatten ("Intently the Shadow ...
Lemony Snicket's A Series of Unfortunate Events (5,275 words) [view diff] no match in snippet view article find links to article
Internet reviewer James Berardinelli felt that "the film is first and foremost a fantasy, but there are dark currents running just beneath ...
St. Vincent (musician) (4,792 words) [view diff] no match in snippet view article find links to article
with both only underlining the dark currents running through her songs Entertainment Weekly said the album "plays up the contrasts, with ...
List of vacuum tubes (46,155 words) [view diff] no match in snippet view article find links to article
High dark current; used mainly in near-infrared, with the photocathode cooled. T Multialkali sodium -potassium -antimony-caesium cathode, ...