英语人>词典>汉英 : 半寿命 的英文翻译,例句
半寿命 的英文翻译、例句

半寿命

词组短语
half-value period
更多网络例句与半寿命相关的网络例句 [注:此内容来源于网络,仅供参考]

Finite element method is employed to analyze to the effect of asphalt pavement with changing thickness and modulus of semi-rigid base course.

利用有限元法,通过改变半刚性基层的厚度和弹性模量对沥青路面的影响,分析得出了适当的增加半刚性基层的厚度、底基层的厚度和底基层弹性模量,可以提高路面的力学性能和使用寿命,但是当基层的强度达到一定的强度后,再增加它的强度对路面的影响不是太大。

The results show that change laws of spermatozoa activity for carp and blunt snout bream are in D-galactose solution.

精子快速运动和寿命的时间是以在D-半乳糖溶液中为最长。

This article first determines major component's structure pattern and the main design variable; Then the reference similar driving axle's structure, determines the overall project design; Finally to the host, the driven bevel gear, the differential device circular cone planet gear, the rear axle shaft gear, the full floating axle and the integral-type bridge shell's intensity carried on the examination as well as has carried on the life examination to the supporting bearing.

本文首先确定主要部件的结构型式和主要设计参数;然后参考类似驱动桥的结构,确定出总体设计方案;最后对主,从动锥齿轮,差速器圆锥行星齿轮,半轴齿轮,全浮式半轴和整体式桥壳的强度进行校核以及对支承轴承进行了寿命校核。

At the beginning, an engineering method called semi-empirical reliability estimation method is introduced. Then, a detailed introduction of the bootstrap method, which has been widely applied to small sample reliability assessing since it was proposed in 1979, is made immediately. At last, a promoted virtual sample expanding method, that the reliability test sample size is expanded from 2-3 to 10, is proposed on the basis of predecessors research results. And the new method associated with bootstrap method is used to assess the test life lower limit in the case of logarithmic normal distribution.

首先阐述了处理极小子样可靠性评估问题较合理的一种工程处理方法—半经验可靠性评估方法,随后详细介绍了近年来在小子样可靠性评估领域发展迅速的Bootstrap方法,最后在前人研究成果的基础上提出了将样本数从n=2~3虚拟增广至n=10的虚拟增广样本推广方法,将该方法应用于服从对数正态分布的寿命总体,利用Bootstrap方法得到了试验寿命下限的估计,并与已有的半经验可靠性评估方法的结果作了比较分析。

Using additional variable, a common dynamic reliability system is described by generalized semi-Markov process , and then the second Fred. Holm linear integral equation of lifetime process is obtained.

利用补充变量方法把一般的可靠性系统推广为广义半马尔可夫系统;利用广义半马尔可夫系统的积分模型,建立了描述一般可靠性系统寿命过程的第二类Fred。

An engineering procedure for estimating crack growth behavior and fatigue lives of semielliptical surface cracks at weld toe s in complex stress fields was proposed based on a database of stress intensity factors and the elementary modes method developed by author.

以作者建立的焊趾半椭圆表面裂纹应力强度因子数据库以及复杂应力场中焊趾半椭圆表面裂纹前缘应力强度因子分布计算的基本模式法为基础,给出了复杂应力场中焊趾表面裂纹在疲劳扩展过程中形态变化规律及寿命的工程分析方法;并用这个方法计算了一些典型焊接接头在一些典型的外加应力场和残余应力场中的裂纹形态发展曲线。

A process for partial conversion and low-temp transform of CO in the synthetic ammonia plant where coal is used to generate gas features that the Fe-Mo catalyst for partial conversion of CO, anti-poisoning agent and Co-Mo catalyst for low-temp conversion are used and the temp of semi-water gas is controlled to 200-260 deg.C at entering anti-poisoning layer, and 150-250 deg.C at the segments of said Co-Mo catalyst layer, and lower than 300 deg.C at bed layer to prevent high-temp reversal of sulfurizing reaction and make the catalyst activity optimal. Its advantages are long service life of catalyst, low system resistance, saving energy and convenient operation.

本发明是中小合成氨厂以一种CO部分转化抗毒保护层配低温变换的工艺,涉及煤造气合成氨厂0.6~2.0MPa半水煤气变换工艺流程,该工艺用铁-钼CO部分转化催化剂、抗毒剂,配钴-钼低变催化剂,半水煤气进入部分转化抗毒层温度为200~260℃,进钴-钼低变催化剂各段温度为150~250℃,床层温度控制在300℃以内,避免高温下反硫化反应发生,保护催化剂活性处最佳状态,寿命延长、系统阻力小、节汽、节电,具有比其他变换工艺更好地节能效果,操作方便,有效生产时间长,经济效益显著等特点。

First ,make up the main parts'structure and the key designing parameters; thus reference to the similar driving axle structure , decide the entire designing project ; fanially check the strength of the axle drive bevel pinion ,bevel gear wheel , the differentional planetary pinion, differential side gear , full-floating axle shaft and the banjo axle housing , and the life expection of carrier bearing .

本文首先确定主要部件的结构型式和主要设计参数;然后参考类似驱动桥的结构,确定出总体设计方案;最后对主,从动锥齿轮,差速器圆锥行星齿轮,半轴齿轮,全浮式半轴和整体式桥壳的强度进行校核以及对支承轴承进行了寿命校核。

Based on the pavement structure three-dimensional model through finite-element calculation software, the representative full-depth asphalt pavement and asphalt pavement with semi-rigid base are analyzed in the aspect of mechanical response under the action of vehicle load.

通过选用具有代表性的全厚式沥青路面和半刚性基层沥青路面,利用ANSYS有限元计算软件,建立路面结构三维模型对路面在车辆荷载作用下的力学响应进行分析,可知全厚式沥青路面在抗疲劳损坏和永久变形方面都较半刚性基层沥青路面略胜一筹,且寿命更长,因而具有广阔的应用前景。

They also found that men who drank only wine, and less than half a glass a day, lived for about two and a half years longer than those who drank beer or spirits, and almost five years more than teetotallers.

他们也发现每天饮用半杯葡萄酒的人比饮用啤酒或其他酒精饮料的人的寿命延长2年半,比不饮酒者长5年。

更多网络解释与半寿命相关的网络解释 [注:此内容来源于网络,仅供参考]

volume lifetime:体积寿命 {半}

56. 体积收缩 contraction of volume; volume contraction; volume shrinkage; | 57. 体积寿命 {半} volume lifetime; | 58. 体积色谱法 volumetric chromatography;

umbra:影区

以及日磁层中磁云的研究有助於人类对影响地球气候因子的认识.七,黑子的寿命(注七) 太阳黑子是太阳表面较冷,看来较黑的部份,它中间较暗的部份称为本影区(umbra),周围较淡黑部份称为半影区(penumbra).平均而言太阳黑子的大小约为地球直径的二倍,

semi-infinite earth:半无限地层

semi-inert long life anode 半惰性长寿命阳极 | semi-infinite earth 半无限地层 | semi-infinite slab 半无限平板