boron-lined ionization chamber

См. также в других словарях:

• boron chamber — noun an ionization chamber lined with boron or filled with boron trifluoride gas for counting low velocity neutrons • Hypernyms: ↑ionization chamber, ↑ionization tube • Part Holonyms: ↑boron counter tube …   Useful english dictionary

• 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

• Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics       Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity.       Computer scientist Manindra Agrawal of the… …   Universalium