ionization chamber — n a partially evacuated tube provided with electrodes so that its conductivity due to the ionization of the residual gas reveals the presence of ionizing radiation * * * a device for measuring ionizing radiation by the measurement of the… … Medical dictionary
ionization chamber — n. any of various devices, as a closed vessel containing a suitable gas, for determining the intensity of X rays or the disintegration rate of a radioactive material, by measuring the current flow between oppositely charged electrodes in the gas … English World dictionary
Ionization chamber — An ionization chamber is a device used for two major purposes: detecting particles in air (as in a smoke detector), and for detection or measurement of ionizing radiation. An ionization chamber is an instrument constructed to measure the number… … Wikipedia
ionization chamber — Physics. an apparatus for detecting and analyzing ionizing radiation, consisting of a vessel filled with a gas at normal or lower than normal pressure and fitted with two electrodes such that the current between the electrodes is a function of… … Universalium
ionization chamber — noun Date: 1904 a partially evacuated tube provided with electrodes so that its conductivity due to the ionization of the residual gas reveals the presence of ionizing radiation … New Collegiate Dictionary
ionization chamber — ioniza′tion cham ber n. phs an apparatus for detecting and analyzing ionizing radiation by measuring current between electrodes in a vessel filled with a gas at normal or lower than normal pressure • Etymology: 1900–05 … From formal English to slang
tissue-equivalent ionization chamber — an ionization chamber in which the walls, electrodes, and gas are selected to produce ionization essentially equivalent to that which would occur in the tissue under consideration … Medical dictionary
Gas chromatography-mass spectrometry — (GC MS) is a method that combines the features of gas liquid chromatography and mass spectrometry to identify different substances within a test sample. Applications of GC MS include drug detection, fire investigation, environmental analysis,… … Wikipedia
Gas chromatography — A gas chromatograph with a headspace sampler Acronym GLC, GC Classification chromatography Analytes organic inorganic … Wikipedia
Gas-liquid chromatography — Infobox chemical analysis name = Gas liquid chromatography caption =A gas chromatograph with a headspace sampler acronym = GLC, GC classification =chromatography analytes = organic inorganic must be volatile manufacturers = Agilent (a spin off of … Wikipedia
Gas Electron Multiplier — The Gas Electron Multiplier (GEM) is a type of gaseous ionization detector used in nuclear and particle physics and radiation detection. All gaseous ionization detectors are able to collect the electrons released by ionizing radiation, guiding… … Wikipedia
