proportional counters

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• Proportional counter — A proportional counter is a measurement device to count particles of ionizing radiation and measure their energy.A proportional counter is a type of Gaseous ionization detector it works on the same principle as the Geiger Müller counter, but uses …   Wikipedia

• radiation measurement — ▪ technology Introduction       technique for detecting the intensity and characteristics of ionizing radiation, such as alpha, beta, and gamma rays or neutrons, for the purpose of measurement.       The term ionizing radiation refers to those… …   Universalium

• X-ray fluorescence — (XRF) is the emission of characteristic secondary (or fluorescent) X rays from a material that has been excited by bombarding with high energy X rays or gamma rays. The phenomenon is widely used for elemental analysis and chemical analysis,… …   Wikipedia

• Geiger counter — Infobox Laboratory equipment name = Geiger counter caption = A modern geiger counter acronym = other names = Geiger Müller counter uses = Particle detector inventor = Hans Geiger manufacturer = model = related = Geiger Müller tubeA Geiger counter …   Wikipedia

• spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …   Universalium

• BeppoSAX — Infobox Space telescope name = BeppoSAX caption = Artist s conception of BeppoSax in space (credit: the Agenzia Spaziale Italiana (ASI) and BeppoSAX Science Data Center (SDC)) organization = ASI / NIVR alt names = Satellite per Astronomia X… …   Wikipedia

• ROSAT — (Röntgensatellit) NSSDC ID: 1990 049A Тип орбиты: круговая, наклонение 53° Высота орбиты: 580 км Период обращения: 96 мин Запущен: 1 июня 1990 21:48:00 UTC Запущен из …   Википедия

• Neutron detection — is the effective detection of neutrons entering a well positioned detector. There are two key aspects to effective neutron detection: hardware and software. Detection hardware refers to the kind of neutron detector used (the most common today is… …   Wikipedia

• Granat — Infobox Space telescope name = International Astrophysical Observatory GRANAT caption = picture credit: NASA organization = Soviet space program major contractors = NPO Lavochkin alt names = nssdc id =… …   Wikipedia

• HEAO Program — The High Energy Astronomy Observatory Program was a NASA program of the late 1970s and early 1980s that included a series of three large low Earth orbiting spacecraft for X ray and Gamma Ray astronomy and Cosmic Ray investigations. After launch,… …   Wikipedia

• radioactivity — /ray dee oh ak tiv i tee/, n. Physics, Chem. the phenomenon, exhibited by and being a property of certain elements, of spontaneously emitting radiation resulting from changes in the nuclei of atoms of the element. Also called activity. [1895… …   Universalium