The nitrogen–phosphorus detector (NPD) is also known as thermionic specific detector (TSD) is a detector commonly used with gas chromatography, in which...
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Gas chromatography (redirect from Catalytic combustion detector)
current generating a detector response. Nitrogen–phosphorus detector (NPD), a form of thermionic detector where nitrogen and phosphorus alter the work function...
38 KB (5,022 words) - 12:47, 13 July 2025
quantify them Nitrogen Phosphorus Detector a thermionic detector with photometeric detection, sensitive specifically to nitrogen and phosphorus hydrocarbons...
21 KB (2,125 words) - 23:45, 9 July 2025
station, England (code: NPD) Narcissistic personality disorder Nitrogen–phosphorus detector, in chromatography Non-parental ditype, in tetrad genetic analysis...
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Temperature-dependent sex determination Thermionic specific detector, another term for nitrogen–phosphorus detector Total sleep deprivation, a parameter in sleep and...
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with phosphorus, arsenic, antimony, or bismuth. By the same token, however, the complexity of the phosphorus oxoacids finds no echo with nitrogen. Setting...
107 KB (12,510 words) - 13:25, 15 July 2025
Phosphorus is a chemical element; it has symbol P and atomic number 15. All elemental forms of phosphorus are highly reactive and are therefore never...
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Photodetector (redirect from Optical detectors)
in size to the noise of the device. Detectivity: The square root of the detector area divided by the noise equivalent power. Gain: The output current of...
24 KB (2,694 words) - 01:31, 24 May 2025
5890 Series II with three detectors, (Electron Capture Detector, Nitrogen Phosphorus Detector and Flame Photometric Detector) for analysing pesticide residues...
14 KB (1,418 words) - 13:09, 25 March 2025
The nitrogen-vacancy center (N-V center or NV center) is one of numerous photoluminescent point defects in diamond. Its most explored and useful properties...
73 KB (7,939 words) - 07:01, 2 June 2025
Radioactive tracer (section Phosphorus)
radioisotope feeding experiments. Radioisotopes of hydrogen, carbon, phosphorus, sulfur, and iodine have been used extensively to trace the path of biochemical...
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Cosmic ray (redirect from Cosmic-ray detector)
since the launch of the first satellites in the late 1950s. Particle detectors similar to those used in nuclear and high-energy physics are used on satellites...
96 KB (10,527 words) - 00:29, 4 July 2025
Horizons, Plasma and high energy particle spectrometer suite (PAM) Nitrogen–phosphorus detector Nonequilibrium Gas and Plasma Dynamics Laboratory Non-line-of-sight...
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treatment options include: solids, indicators of organic matter, nitrogen, phosphorus, and indicators of fecal contamination.: 33 These can be considered...
42 KB (6,320 words) - 14:36, 23 May 2025
capture detector, and the Trace Narcotics Detector was based on gas chromatography with nitrogen-phosphorus detector. EVD-1 was the first portable bomb detection...
19 KB (1,888 words) - 05:34, 18 July 2025
high-power electronics and semiconductor detectors. It is based on the conversion of the Si-30 isotope into phosphorus atom by neutron absorption as follows:...
40 KB (5,211 words) - 03:50, 4 July 2025
calculated to have some properties similar to its lighter homologues, nitrogen, phosphorus, arsenic, antimony, and bismuth, and to be a post-transition metal...
49 KB (8,547 words) - 12:21, 15 May 2025
Flow injection analysis (section Detectors)
a flowing carrier solution that mixes with reagents before reaching a detector. Over past 30 years, FIA techniques developed into a wide array of applications...
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Mass spectral interpretation (section Nitrogen rule)
chamber and the detector. The nitrogen rule states that organic molecules that contain hydrogen, carbon, nitrogen, oxygen, silicon, phosphorus, sulfur, or...
24 KB (2,826 words) - 18:35, 11 December 2023
Period 2 element (section Nitrogen)
second period contains the elements lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine, and neon. In a quantum mechanical description of atomic...
35 KB (3,913 words) - 17:51, 17 July 2025
chamber type smoke detector is technically a product of combustion detector, not a smoke detector. Ionization chamber type smoke detectors detect particles...
62 KB (6,469 words) - 12:15, 27 June 2025
other polychlorinated compounds. Pesticide derivatives, nitrogen containing herbicides, and phosphorus-containing insecticides have also been detected in EC-MS...
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Ammonia (redirect from Nitrogen trihydride)
Ammonia is an inorganic chemical compound of nitrogen and hydrogen with the formula NH3. A stable binary hydride and the simplest pnictogen hydride, ammonia...
141 KB (15,148 words) - 15:38, 17 July 2025
isolating the gas, they had determined that nitrogen produced from chemical compounds was 0.5% lighter than nitrogen from the atmosphere. The difference was...
40 KB (4,715 words) - 13:31, 15 July 2025
Nitrate (category Nitrogen cycle)
oxidation state of the central nitrogen atom is V (+5). This corresponds to the highest possible oxidation number of nitrogen. Nitrate is a potentially powerful...
38 KB (4,301 words) - 20:56, 9 June 2025
Semiconductor device (section Cat's-whisker detector)
semiconductor with a small proportion of an atomic impurity, such as phosphorus or boron, greatly increases the number of free electrons or holes within...
37 KB (5,427 words) - 10:41, 11 July 2025
officers, activation of sodium in the human body to sodium-24, and phosphorus to phosphorus-32, can give a good immediate estimate of acute accidental neutron...
18 KB (2,054 words) - 09:32, 18 July 2025
precipitation of struvite, a useful fertilizer, from wastewater containing nitrogen and phosphorus. One source of useful wastewater is landfill leachate. Bittern...
16 KB (1,891 words) - 21:49, 23 May 2025
Americium (section Ionization-type smoke detector)
of americium. It is widely used in commercial ionization chamber smoke detectors, as well as in neutron sources and industrial gauges. Several unusual...
77 KB (9,314 words) - 02:20, 13 July 2025
everyday applications are vast; americium is used in devices such as smoke detectors and spectrometers. Bose–Einstein condensate (also known as superatom)...
17 KB (2,031 words) - 21:11, 16 July 2025