英语词汇“strontium-90”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	strontium-90
释义	strontium-90 strontium-90 n. The strontium isotope with mass 90, having a half-life of 28 years, used for its high-energy beta emission in certain nuclear electric power sources and constituting a radiation hazard in fallout. strontium-90 strontium-90 [′strän·tē·əm ′nīn·tē] (nuclear physics) A poisonous, radioactive isotope of strontium; 28-year half life with β radiation; derived from reactor-fuel fission products; used in thickness gages, medical treatment, phosphor activation, and atomic batteries. MedicalSeestrontium
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