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fatigue相关的网络例句

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与 fatigue 相关的网络例句 [注:此内容来源于网络,仅供参考]

In the research of high cycle fatigue of concrete, the test means of cyclic loading between the set constant or various upper limit and low limit of force or stress has been extensively used. But this kind of test means can't be used to study the behavior of concrete low cycle fatigue under large strain.

同时高周疲劳问题研究中使用的在设定的力或应力的上下界限之间重复受力的试验方法已无法用于混凝土高应变低周疲劳性能的试验研究。

This study consists of three parts. Firstly the equivalently accelerative corrosive environment is determined through the analysis of statistic data of corrosion environment. Secondly the fatigue test is carried out under the constant amplitude cyclic loading for the specimens which are exposed in the corrosive environment for equivalent calendar time of zero year, 3 years, 8 years and 13 years. Four S-N curves with different corrosive time are obtained based on the fatigue experiment. Finally the regression method of S-N curves for experimental data is researched and a weighted least square fit is put forward in which the weigh of a group of test data is inversely proportional to the length of the confidence interval.

进行了以下几个方面的工作:(1)通过实测、统计、分析得到了当量加速环境谱;(2)完成了在当量加速环境谱下预腐蚀日历年限0年、3年、8年和13年的腐蚀试验,并进行了成组常幅疲劳试验,得到了不同预腐蚀年限下的S-N曲线;(3)进行预腐蚀后的S-N曲线的数据拟合方法的研究,提出了考虑置信区间长度影响的加权最小二乘法。

Median fatigue life is usually used to estimate the fatigue properties of materials while the dispersibility of the data is always ignored.

目前,在评价材料的疲劳强度时,往往只注重比较材料的中值疲劳寿命,而忽略了对数据分散性的比较。

They found that more than 80% of the failures can be attributed to fatigue or fatigue related failures and most of them occur at the screwed joint of the drill collar.

石油管材研究所对近几年失效事故进行分析,有80%以上失效属于疲劳或与疲劳相关的失效,其中绝大部分发生在钻铤的螺纹联接处用。

The change of elastic modulus and stress associated with fatigue cyclic number was investigated during low cycle fatigue.

考察了低周疲劳过程中的弹性模量和应力随循环次数的变化。

RESULTS:A fatigue determination system which was able to determine effectively the examinee's fatigue state was established.

结果:搭建了一套疲劳检测系统,可有效地得到被试者的疲劳状态。

In this paper, the relationship between the fatigue crack front straightness S t and fatigue loading ratio f were explored.

通过实验,研究了疲劳裂纹前沿平直度 St与疲劳载荷比 f 之间的关系,发现两者高度正相关,为预制具有平直裂纹前沿的疲劳裂纹提供了有效的途径和方

The effects of anti fatigue and oxygen deficient durable under normal atmospheric pressure of Fomes Officinalis Ames were observed in the fatigue test and oxygen deficient durable experiment in mice.

本研究采用抗应激实验的方法,观察新疆药用层孔菌对小鼠抗疲劳能力以及耐常压缺氧能力的影响,比较给药组与对照组小鼠存活的时间,对测试结果的方差分析及多重比较表明,药用层孔菌具有很好的补益作用,能增加小鼠的抗应激能力,同样条件下能延长小鼠的存活时

Experiments are conducted to determine the gigacycle fatigue behavior of nodular cast iron GS51 by ultrasonic fatigue test system.

应用超声疲劳试验技术,完成了20kHz频率下(R=-1,R=0 1)的疲劳试验,获得球墨铸铁GS51在亿周次范围内的疲劳性能。

Experiments were conducted to determine the gigacycle fatigue behavior of cast Aluminum AS5U3G-Y35 by ultrasonic fatigue test system.

应用20kHz频率下的超声疲劳设备完成亿周次疲劳试验,获得铸铝AS5U3G-Y35超高周疲劳特性。

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I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像,后来回台湾,甚至去年在北京,居然也四处看见她的海报,才惊讶她的魅力之大。

Ah may dee:You are chinese living in a democratic country.

你是居住在民主国家的中国人吧。