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1)  life [英][laɪf]  [美][laɪf]
寿命
1.
Development and Application of Long-life MouldTechnology for the Medium-thin Slab Caster;
中薄板连铸机结晶器长寿命技术的开发与应用
2.
Evaluation on tank life using fuzzy synthetical decision process;
用模糊综合评判法评估钢制储罐的寿命
3.
Analysis for Raising Life of Gear and Bear;
提高齿轮、轴承使用寿命的研究
2)  lifetime [英]['laɪftaɪm]  [美]['laɪf'taɪm]
寿命
1.
Accelerated tests for electrodes and characterization of their chlorine-evolution lifetime;
电极的强化测试与析氯寿命的表征
2.
Research on Relationship Between Erosion Lifetime of Blasting Nozzle and Abrasive Particles;
喷砂嘴冲蚀寿命与磨料关系的研究
3)  service life
寿命
1.
How to extend the service life of die steal H13;
提高H13钢使用寿命的探讨
2.
Practice in prolonging service life of crystallizer for HCC;
提高水平连铸结晶器使用寿命的实践
3.
Increasing the service life of electric equipment under reduction atmosphere by upgrading the sealing of control cubicle;
利用控制柜密封改造全面提高电气设备在电解环境下的使用寿命
4)  life span
寿命
1.
Effects of dibutyl phthalate on fecundity and life span of drosophila melanogaster;
邻苯二甲酸二丁酯对果蝇生育力和寿命影响
2.
Analysis of sunny temperature and energy measurement and sun s life span;
太阳温度与能源的测算和寿命分析
5)  longevity [英][lɔn'dʒevəti]  [美][lɑn'dʒɛvətɪ]
寿命
1.
Effect of Yunnan Degao on the longevity of Drosophila suzukii adults;
云南德膏对樱桃果蝇成虫寿命的影响
2.
Experimental Observation on the Fecundity and Longevity of Anopheles sinensis;
中华按蚊生殖与寿命特性实验室观察
3.
Study on the longevity and fecundity of Tetrastichus incertus (Ratzeburg),a parasite of the alfalfa weevil Hypera postica(Gyllenhal);
苜蓿叶象啮小蜂寿命及产卵量的研究
6)  life time
寿命
1.
Exploration and practice of improving the life time of medium plate elevator's table top;
提高中板升降台台面寿命的探索与实践
2.
The catalytic activities of five samples of hydrotalcite-like compounds (HTLC) with different combinations of cation and the life time of ZnAl, MgAl-hydrotalcite catalysts have been investigated for transesterification of DMC and PhOH.
研究了5种不同阳离子组合的类水滑石对碳酸二甲酯与苯酚酯交换反应的催化活性和ZnAl,MgAl水滑石的使用寿命
3.
The paper analyses the influence of the working table of punching machine on the life time of die and gives some useful measures to solve it.
对影响冲模寿命的因素进行分析 ,提出改进措施 ,实施后达到了预期效果。
补充资料:寿命
分子式:
CAS号:

性质:分子在一级反应过程中浓度衰变至其初始值的1/e时所需的时间称为寿命。符号为τ。它统计地代表了这种分子寿命的期望值。它也等于造成此衰变的所用过程的(准)单分子反应速率常数之和的倒数。寿命一词有时也用于非一级过程,但是在这种情况下,分子的寿命将与分子或猝灭剂的初始浓度有关,因而只能定义为初始寿命或平均寿命,却不应称作表观寿命。有时也用半寿命(τ1/2)来表示分子的浓度降至其初始值的一半时所需的时间。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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