1.
The Prognostic Value of Serum Alpha Fetoprotein s Biological Half-life in Tumor Recurrence after Liver Transplantation for Hepatocellular Carcinoma;
肝癌肝移植术后血清AFP生物半衰期对肿瘤复发的预测价值
2.
radioactive half life
放射性物质的半衰期
3.
Half-life determination of fission products ~(94)Y and ~(95)Y
裂变产物~(94)Y和~(95)Y半衰期的测定
4.
Effects of anesthesia and surgery on the half-life of plasma sodium salicylic in laboratory animals
麻醉和手术对实验动物血浆药物半衰期的影响
5.
Quantitative Structure-Pharmacokinetic Relationship of Quinolones Half Life
喹诺酮类药物半衰期的定量构动关系研究
6.
The half-life of francium is 22 minutes.
钫的半衰期是22分钟。
7.
half-life of recurrent selection process
轮回选择过程的半衰期
8.
Studies on Animal Aging and Cell Senescence Model Induced by D-galactose;
D-半乳糖诱导生物体衰老与细胞衰老模型的实验研究
9.
By that is meant the time which elapses before half of the existing atoms have disintegrated or exploded.
这里所指的半衰期是现存原子的一半发生衰变或爆炸所消耗的时间。
10.
Measurement of the ～7Be Electron-capture Decay Rate Variation in Metallic Environments and Production of ～(15)O Secondary Beam;
低温金属环境中～7Be半衰期的研究和～（15）O次级束的产生
11.
Half-lives of the newly synthesized nuclei in~(263)Hs and ~(260)Bhα-decay chains
新核素~(263)Hs,~(260)Bh及其α衰变链上核素的半衰期
12.
Radioactive substances will speed up their dissipation to such a degree that what had hundreds of years of half life will simply cease to exist.
放射性物质将加速其解体，使得还有好几百年（射性）半衰期物质完全停止存在。
13.
The time required for half the nuclei in a sample of a specific isotopic species to undergo radioactive decay.
半衰期放射性样品的原子核经历一半放射性衰变所需要的时间
14.
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。
15.
Half-life of radioactive element carbon-14 is 5730 year.
放射性元素碳-14的半衰期为5730年。
16.
The half life of the uncharged pion is 6×??.
中性兀介子的半衰期为6×?得搿?/UK>
17.
It has a half-life of about 41/2 billion years.
它的半衰期大约为45亿年。
18.
A very useful quantity is the half-time for the reaction.
一个很有用的量是反应的半衰期。