half-life
n. [核] 半衰期
n.
半衰期；
变形
复数：half-lives
英英释义
half-life[ 'hɑ:flaif ]
n.the time required for something to fall to half its initial value (in particular, the time for half the atoms in a radioactive substance to disintegrate)
同义词：half life
双语例句
用作名词(n.)
The time it takes for half of its original amount to decay is called the half-life.
衰变至只剩下原来数目一半所需的时间称为该核素的半衰期。
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。
权威例句
In vivo half-life of a protein is a function of its amino-terminal residue.Activating mutations for transformation by p53 produce a gene product that forms an hsc70-p53 complex with an altered half-life.
Half-Life of Serum Elimination of Perfluorooctanesulfonate, Perfluorohexanesulfonate, and Perfluorooctanoate in Retired Fluorochemic...
Tumor necrosis factor downregulates an endothelial nitric oxide synthase mRNA by shortening its half-life.
Benzodiazepines of long and short elimination half-life and the risk of hip fracture.
Activating Mutations forTransformation byp53Produce aGene Product ThatFormsanhsc7Op53 Complex withan Altered Half-Life
A new value for the half-life of 10 Be by Heavy-Ion Elastic Recoil Detection and liquid scintillation counting
Plasma-paracetamol half-life and hepatic necrosis in patients with paracetamol overdosage.
Darbepoetin alfa has a longer circulating half-life and greater in vivo potency than recombinant human erythropoietin
Attenuation of green fluorescent protein half-life in mammalian cells.
half-life (n.)
also halflife, half life, 1864, "unsatisfactory way of living," from half + life; the sense in physics, "amount of time it takes half a given amount of radioactivity to decay" is first attested 1907.
1. first half life
第一半耗反应段
-- 来源 -- 英汉 - 翻译参考[网络]
2. effective half life
有效半排出期
-- 来源 -- 英汉 - 翻译参考[网络]
3. radioactive half life
放射性物质的半衰期
-- 来源 -- 英汉 - 翻译参考[网络]
4. partial half life
部分半衰期
-- 来源 -- 英汉 - 翻译参考[网络]
5. physical half life
物理半衰期
-- 来源 -- 英汉 - 翻译参考[网络]
6. efficiency half life
效率半衰期
-- 来源 -- 英汉 - 翻译参考[网络]
7. elimination half-life
清除半衰期
-- 来源 -- nova
8. biological half-life
生物半减期
-- 来源 -- 英汉 - 短句参考
9. apparent half-life
表观半衰期
-- 来源 -- 英汉 - 翻译参考[网络]
10. antibody half life
抗体半衰期
-- 来源 -- 英汉 - 翻译参考[网络]
half-life
