单词 | alpha radiation |
释义 | alpha radiation (once / 1313257 pages) n WORD FAMILY alpha radiation USAGE EXAMPLESIt turned up on chairs – with large alpha radiation readings from where the three Russians sat – and the piano stool. The Guardian(Jan 19, 2016) Polonium-210 emits vast amounts of energy as alpha radiation but it hardly emits any gamma radiation at all. BBC(Jul 28, 2015) Alpha radiation is the least penetrating of all and can be stopped by a piece of paper or ordinary clothing. Forbes(Jun 12, 2015) n the radiation of alpha particles during radioactive decay Syn|Hyper alpha ray ionizing radiation high-energy radiation capable of producing ionization in substances through which it passes corpuscular radiation, particulate radiationa stream of atomic or subatomic particles that may be charged positively (e.g. alpha particles) or negatively (e.g. beta particles) or not at all (e.g. neutrons) |
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