查询词典 fatigue

Methods Twelve fresh adult cadaveric feet were selected for experimental fatigue testing to establishing experimental metatarsal fatigue fracture model, specimens were removed soft tissue and the first toes and diaphysises of the first metatarsal bone, reserved ligaments articular capsules , the first tarsometatarsal joints, steel wire substituted the plantar aponeurosis.

材料和方法 12例健康成人新鲜足标本，剔除软组织，保留韧带、关节囊。去除足第一跖骨干及相连拇指，钢丝足底固定，替代足底腱膜，包埋标本并固定于MTS试验机上，对标本进行疲劳载荷实验，载荷为350N，循环加载频率为1Hz。

While sustaining constant force, isometric muscular contraction, the initial past decreasing rate of medium frequency curve, the absolute value of the fitting straight line slope, was increased with the degree of the muscular fatigue. With this rate, it was possible to quantitatively judge the state of the muscular fatigue, reduce the physical consumption and muscular uncomfort of recipients.

在维持等长、恒力肌肉收缩时，f＿曲线初始段下降率（即拟合直线斜率的绝对值）随肌肉疲劳程度的增加而增加，因此希望能用f＿曲线初始段的下降率来定量判断局部肌肉疲劳的状态，以减少受试者的体力消耗和肌肉不适程度。

Tension-tension fatigue experiment was carried out at three different stress-level, the fatigue life and the S-N curve of the unnotched laminates were acquired.

进行了三种不同应力水平下的拉-拉疲劳试验，得到无孔试件的疲劳寿命及其S-N曲线；通过研究复合材料疲劳寿命预测的方法，建立了该无孔层合板剩余刚度疲劳累积损伤寿命预测模型。

The code adopts to ratio of stress as fatigue control factor is quite different from new theory, And it cant reveal real condition of structures. The result of fatigue calculating seems to unsafely.

该规范采用的以应力比控制结构构造疲劳设计的理论已同最新研究理论相差很大，不能反映结构的真实工作状况，且计算结果有偏于不安全的倾向。

For fatigue prediction of welded structure is faced not only the general problem of unwelded structure, but also the special difficulty resulted from weld arts. So, study of fatigue acts for wagon body is very important.

由于焊接结构的疲劳寿命预测不仅要面对非焊接结构必须面对的一般性困难，而且还要面对焊接工艺本身所导致的特有的困难，因此，研究我国铁路车辆焊接结构的疲劳行为有重要意义。

OBJECTIVE: To explore on the emergence of sports fatigue and investigate the way of eliminating or alleviating fatigue.

目的：探讨运动性疲劳的产生机制和消除或缓解运动性疲劳的方法。

Comparting fatigue tests on TR upsetting and open die forging,this paper finds that the fatigue strength of the TR upsetting crankshaft is 16 — 22 percent higher than that of the open die forging crankshaft.

本文介绍了先进的TR镦锻法制造曲轴毛坯的工作原理。

Excessive fatigue, familiar clinical manifestation of sub-health, produces plentiful "fatigue toxin" which corrades continually all systems and organs, leads to some serious diseases and accelerates Karoshi's occurrence finally.

出现亚健康就是给健康亮了黄灯，过度疲劳是常见亚健康表现，而&疲劳毒素&长时间、多系统的侵蚀将导致各种严重疾病，最后促进&过劳死&的发生。

The fatigue propagation of surface cracks on overlay of hydrogenation reactor is seriously imperiling the safe run of hydrogenation reactor. It is attracted attention of engineering fields that a surface crack on overlay is able to either stop at the interface of overlay and base material or growth to base material under fatigue load.

热壁加氢反应器堆焊层表面裂纹的扩展严重威胁设备的安全运行，在疲劳载荷作用下堆焊层表面裂纹是否能穿过堆焊层与基体的交界面而向基体扩展的问题，受到工程界的高度关注。

Compared with the microstructure with islanded martensite, the microstructures with acicular and netted martensite possess the higher fatigue thresholds and the lower fatigue crack growth rates in both laboratory air and 3. 5% NaCl solution.

无论在空气环境或3.5%NaCl溶液中，与岛状马氏体组织相比，层片状和网状马氏体组织具有较高的疲劳门槛值和较低的裂纹扩展速率。

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。