青年中文half-life的意思
half-life中文翻譯：
n.[核]半衰期
half life───n.半衰期；半存留期；半排出期；n.（放射性）半衰期
conscript half life───義務兵半衰期
half life calculator───半衰期計算器
uranium half-life───鈾半衰期
half life 2───半衰期2
elimination half life───[醫]消除半衰期
tartrate half life───酒石酸半衰期
half-and-half───n.兩者各半之混合物；（加入咖啡、牛奶等的）稀奶油；adv.各半，對等地；adj.兩種成分各半的；不明確的
half and half───一半一半；各占一半；各半
However, if the half-life is increased, the situation changes.───然而，如果半衰期增加，情況會改變。
Business opportunities have a half-life, just like uranium.───商業機會有半衰期，就像鈾一樣。
Radioactive iodine has a half-life of eight days and decays naturally within weeks.───放射性碘的半衰期為八天，幾周內自然衰變。
But the half-life of market domination seems to be dwindling.───但是似乎這些公司的壟斷半衰期一直在縮短。
It accumulates in the cooling water of nuclear reactors and is often vented in small amounts to the environment. Its half-life is 12 years.───氚聚集在核反應堆的冷卻水中，通常以微量排放到環境中，其半衰期為12年。
When Hazen's team put oil samples in a laboratory setup designed to mimic Gulf conditions, it had a half-life of between one and six days.───當黒曾團隊將油樣放入模擬的海灣背景下的實驗室，油樣有一個在一天和六天之間的半衰期。
"Half-Life 2" , which came out in 2004, took six years to develop, whereas new episodes can be put together in a year or so.───2004年發行的《半條命2》花費了六年時間開發，而游戲的新章節僅需一年左右就可完工。
In particular, the half-life of ethyl mercury is short (less than 1 week) compared with that of methyl mercury (1. 5 Months).───特別是乙基汞的半衰期較短（少于1周），而甲基汞的半衰期為1.5個月。
Furthermore, the long half-life of the metabolites could cause their accumulation and induce apparent injuries of target organs.───而且，此代謝物的半衰期極長。故極易累積于體內造成標的器官明顯的傷害。
The biggest culprit is caesium-137, which has a half-life of 30 years.
The half-life of a radioactive substance is the time interval taken for the radiant species present to lose half its radioactivity.
The more complete descriptive term is drug elimination half-life.
It may also prolong the half-life of some concomitantly administered drugs.
Uranium-238 decays more quickly, with a half-life of 4.5 billion years, and can therefore date the star more precisely.
Since tritium has a half-life of only a few years, it can not be stored for long periods of time.
But it has a half-life of just 140 days so there can be little delay manufacture and its incorporation into a bomb.
No one has a long half-life as the star of the program.
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