查询词典 fatigue strength

The result shows that:(1) AEMG of time characteristics and MF, MPF of frequency characteristics can supervise speed rock climbing athletes' fatigue condition of flexor carpi and extensor carpi when they train their upper extremity muscle strength.

结果表明：(1)sEMG信号分析中时阈指标AEMG和频阈指标MF、MPF都能较好监控速度攀岩运动员进行上肢肌力量训练时腕屈肌及腕伸肌的疲劳状况。

Exercise increases strength and flexibility, reduces joint pain and helps combat fatigue.

增加运动强度和弹性，降低关节疼痛，并有助于消除疲劳。

Then, a logic computational diagram is constructed for calculating diametral growth by assuming fatigue cyclic softening, namely yield strength reduction as tubing fatigues.

再通过合理的假设，建立用于计算直径增长的计算机逻辑框图。

Based on the characteristics of stress distribution in high-pressure cylinder ,the formula of calculating the maximal equivalent stress is educed according to the fourth strength theory and the quantitative relationship between cylinder's inside pressure and diametrical ratio and the fatigue limit were founded.

基于高压缸的应力分布特点，由第四强度理论推导出了高压缸最大应力的当量应力的计算公式，建立了缸筒内压与缸筒径比及持久极限的量化关系。

In the indoor ideal conditions, the relevant comparative tests of different grid interlayer of asphalt mixture and overlay structure have been done by using interlay shearing device, drawing machine, Marshall multi-functional strength device and rutting machine, and then the test results have been evaluated by a rational approach. Meanwhile, the simulated test of the overlay fatigue life has been done by using ordinary rutting machine, and the different overlay thickness of different grade interlayer and different sawing depth of overlay structure have been studied by the fatigue test.

5在室内理想条件下，采用层间剪切仪、层间拉拔仪、马歇尔多功能强度试验机及车辙轮碾仪进行了不同层位格栅的沥青混合料及与加铺层结构相关的对比试验，并采用合理的方法对试验结果进行了评价；同时，采用普通车辙仪进行加铺层结构疲劳模拟对比试验，系统地对不同加铺层厚度的不同格栅设置层位及不同旧路锯缝深度的加铺层结构进行了研究。

This is followed by a discussion of overexertion, strength prediction, strength and endurance, torque and EMG relationship, and muscle fatigue.

接下来是一个超负荷的讨论，强度预报，力量和耐力，扭矩和肌电图的关系，肌肉疲劳。

The microstructure, strength-toughness and fatigue properties of an ultrahigh strength steel 40CrMnSiMoVA have been investigated. The so-called eta-bainite,composed of thin rareined austenite films within or between the bainitic ferrite laths was found in the steel after isothermally quenched at 300℃ for 1h.

本文研究了飞机起落架用超高强度40CrMnSiMoVA钢的显微组织、强韧性和疲劳性能，结果表明，该钢经300℃等温1h淬火可获得由贝氏体铁素体板条与条间或条内的残余奥氏体薄膜所组成的准贝民体组织。

The rubber seal issue under operating system has been studied by the theory of dynamic sealing. The deformation and stress distribution of rubber material were calculated under the well in-pressure and sealing out-pressure using then-linear finite element. Through the experimental study of the rubber strength and fatigue, the intensity limit and the fatigue life were obtained. According to the study results, a new type of sealing equipment was designed by adding the reinforcing steel bar into rubber core to reduce the maximum shear stress, so as to solve the problems of dynamic seal under hyperbaric pressure.

采用动态密封理论，针对带压作业系统中的橡胶密封胶芯问题，利用非线性有限元计算了在井压和密封外压作用下的变形和应力分布特征，并通过对密封胶芯材料进行了强度和疲劳实验研究，获得了胶芯材料破坏的原因，进而根据计算和实验研究结果，进一步提出了在胶芯内增加钢筋以减小最大剪切力的改进意见，同时进行了理论校核，并以此为基础设计了新型的密封胶芯，从而解决了带压作业装置高压动密封的难题。

The fixation strength and pull-off strength of the screw-plate constructs were performed initially and after fatigue.

测定其即刻固定强度、抗疲劳强度和钢板螺钉的抗拉出强度。

In recent years, due to the casting level, more and more like, bottom-mode, frame type, such as using higher strength and wear resistance of ductile iron or high-strength alloy cast iron production, and heat fatigue The better performance of graphite cast iron have been used for the production of hot-box material.

近几年来，由于铸造水平的提高，已有越来越多的模样、模底板、型板框等采用强度和耐磨性更高的球铁或高强度合金灰铸铁制作，而耐热疲劳性能更好的蠕墨铸铁也被用于制作热芯盒材料。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了