half-life什么意思 half-life音标、翻译、用法
half-life音标
英 [ˈhæfˌlaɪf, ˈhɑ:f-]
美 [ˈhæfˌlaɪf, ˈhɑf-]
half-life翻译
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
half-life用法
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.
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