1.
Radiochemical Separation and Half-life Measurement of ～(132)I;
～（132）I放化分离方法的研究及半衰期测量
2.
Measurement of ~(198)Auβ~--Decay Half-Life in Metal Au at Low Temperature
低温金属环境中~(198)Au半衰期的测量
3.
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。
4.
We can talk about the half-life of a radioactive isotope, and indeed we can measure and state very very precisely what that half-life is.
我们可以谈论放射性同位素的半衰期，我们确实可以非常准确地测量和描述半衰期是什么。
5.
Theoretical Evaluation on Expansion Ratio and Half-time of Foamed Asphalt
泡沫沥青膨胀率和半衰期的理论测算
6.
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
7.
The measurement of the half-life of ~(151)Sm by liquid scintillation counter
液闪法测定~(151)Sm的半衰期
8.
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。
9.
It is well-known that the cited half-life is a particular parameter to evaluate the degree of ageing of periodicals or magazines.
在期刊学术质量的评价指标中用来测度期刊老化程度的指标―被引半衰期有其特殊性。
10.
Test method for electrostatic properties of plastic films--Half-life method
GB/T14447-1993塑料薄膜静电性测试方法半衰期法
11.
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
12.
The half-life of francium is 22 minutes.
钫的半衰期是22分钟。
13.
radioactive half life
放射性物质的半衰期
14.
half-life of recurrent selection process
轮回选择过程的半衰期
15.
Objective: To determine the numerical value of light dense of sodium salicylate by colorimetric analysis, and calculate its plasma half life.
目的:用比色法测定水杨酸钠的光密度值,并计算血浆半衰期。
16.
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
17.
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
18.
Analyzing and Forecast of Electric Steel Output in First Half of 2008;
2008年上半年国内电工钢产量分析及后期预测