helium detector

См. также в других словарях:

• Helium atom scattering — (HAS) is a surface analysis technique used in materials science. HAS provides information about the surface structure and lattice dynamics of a material by measuring the diffracted atoms from a monochromatic helium beam incident on the sample.… …   Wikipedia

• Helium mass spectrometer — A helium mass spectrometer is an instrument commonly used to detect and locate small leaks. It was initially developed in the Manhattan Project during World War II to find extremely small leaks in the gas diffusion process of uranium enrichment… …   Wikipedia

• Helium ionization detector — A helium ionization detector (HID) is a type of detector used in gas chromatography. PrincipleAn HID is an ion detector which uses a radioactive source to produce ions. The radioactive source ionizes helium atoms by bombarding them with emissions …   Wikipedia

• Helium-3 — This article is about the elemental isotope. For the record label Helium 3, see Muse or A E Records .infobox isotope background = #F99 isotope name = Helium 3 alternate names =Helium 3,He 3 symbol =He mass number =3 mass =3.016 num neutrons =1… …   Wikipedia

• helium leak detector — helinis nuotėkio ieškiklis statusas T sritis radioelektronika atitikmenys: angl. helium leak detector vok. Helium Lecksucher, m rus. гелиевый течеискатель, m pranc. détecteur de fuites à hélium, m …   Radioelektronikos terminų žodynas

• Helium-Lecksucher — helinis nuotėkio ieškiklis statusas T sritis radioelektronika atitikmenys: angl. helium leak detector vok. Helium Lecksucher, m rus. гелиевый течеискатель, m pranc. détecteur de fuites à hélium, m …   Radioelektronikos terminų žodynas

• Gas chromatography ion detector — Many GC detectors are ion detectors with varying methods of ionizing the components eluting from the GC s column.Principle of OperationAn ion detector is analogous to a capacitor or vacuum tube. It can be envisioned as two metal grids separated… …   Wikipedia

• Thermal conductivity detector — The thermal conductivity detector (TCD) is a bulk property detector and a chemical specific detector commonly used in gas liquid chromatography. [Grob, Robert L. Ed.; Modern Practice of Gas Chromatography , John Wiley Sons, C1977, pg. 228, ] This …   Wikipedia

• Collider Detector at Fermilab — For other uses of CDF , see CDF (disambiguation). Wilson Hall at Fermi Lab …   Wikipedia

• Neutrino detector — The Sudbury Neutrino Observatory, a 12 meter sphere filled with heavy water surrounded by light detectors located 2000 meters below the ground in Sudbury, Ontario, Canada. A neutrino detector is a physics apparatus designed to study neutrinos.… …   Wikipedia

• Discharge ionization detector — A discharge ionization detector (DID) is a type of detector used in gas chromatography. Principle A DID is an ion detector which uses a high voltage electric discharge to produce ions. The spark ionizes helium atoms that are mixed with components …   Wikipedia