Wikipedia half-life [haf´līf″] the time required for the decay of half of a sample of particles of a radionuclide or elementary particle; see alsoradioactivity. Symbolt½orT½. Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by...
这个看似奇怪的细节,其实是基于《Half-Life》整套流程结构组成特意安排的;除了确实在一定程度上致敬约翰·麦克连在影片中的遭遇之外,更重要的是用一种比较自然、可信的方式进行区域分割。 《Half-Life》并未采取传统的关卡制,而是由18个章节组成,分别对应剧情进度以及玩家当前所处的区域。但实质上你很快会发现,游戏是...
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half-life n 1.(General Physics) the time taken for half of the atoms in a radioactive material to undergo decay. Symbol:τ 2.(Biology) the time required for half of a quantity of radioactive material absorbed by a living tissue or organism to be naturally eliminated (biological half-life...
en.wikipedia.org Ds, has been reported to have a longer half-life of about 3.7 minutes. en.wikipedia.org It is synonymous with half-life, but used in slightly different contexts. en.wikipedia.org The decay mode and half-life were also confirmed in a repetition of the first experiment. ...
以上来源于:Wikipedia halflife 例句 1.It is not necessary to wait until half of a sample has decayed in order to measure the halflife . 不必一直等到样品衰变一半之后才测量它的半衰期。 2.Bioavailability is better after subcutaneous administration and a longer halflife allows a single daily injectio...
Doug Rattmann,[2][3] also known as the Ratman,[5] is a former Aperture Science employee, and one of the few survivors of GLaDOS' flooding of the Enrichment Center with neurotoxin. Introduced through his murals in Portal, his story was expanded in Portal
half-life 到英语_美式英语 单语范例(未经PONS编辑处理) 英语 Te, and has a half-life of thirty years. en.wikipedia.org The decay mode and half-life were also confirmed in a repetition of the first experiment. en.wikipedia.org Xe with a half-life of 16 million years. ...
以上来源于:Wikipedia 学习怎么用 词汇搭配 短语 halflife radiation放射线半衰期 Chemical halflife半衰期 cited halflife期刊被引半衰期 HalfLife 2半条命 OZONE HALFLIFE臭氧半衰期 radionuclide halflife放射性核素半衰期 HalfLife PARANOIA疯狂行动 Dited Halflife被引半衰期 ...
Also found in: Dictionary, Thesaurus, Financial, Encyclopedia, Wikipedia. biological half-life n. See half-life. The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. Biology The time required ...