英汉词典

half-life 基本解释

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 相关例句

双语例句

用作名词(n.)

1. 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。
2. 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.