查询词典 mechanical

In this thesis, several optimization design problem in mechanical engineering are solved based on the best uniform approximation theory, and some initial work in the basic theory of the best uniform approximation is done.

本文应用最佳一致逼近理论，解决了机械工程中一些优化设计问题，并在最佳一致逼近问题的基础理论方面做了一些开创性的工作。

Clinical studies have shown that betaine is able to protect the skin against mechanical and chemical injury.

临床研究表明，甜菜碱能有效避免机械和化学对皮肤的损伤。

Mechanical process, in fact, can only change the microstructure of the part of bi -fractal surface which is lower than the demarcated frequency, but can not bring effects on the part which is higher than the demarcated frequency.

机械加工的过程，实际上只是改变双分形表面中低于分界频率部分的微观结构，而对于高于分界频率的部分不产生影响。

Failure mechanisms and rules were investigated on the base of biaxial experimental researches on mechanical properties.

在双向力学性能试验研究的基础上，对帘线／橡胶复合材料的双向拉-拉失效机理和失效规律进行了研究。

According to the bleaching, dyeing, detergents, paper pulp can be divided into chemical pulp and mechanical pulp, the former is manufacturing quality of the paper, such as paper, the Bible paper etc; the latter paper for manufacturing par value, such as newsprint.

依漂染洗涤方法的不同，纸浆又可分为化学纸浆及机械纸浆，前者为制造品质优良的纸张，如书纸、圣经纸等；后者为制造平价的纸张，如新闻纸。

Through theoretical and experimental research, the viscoelastic mechanical model of optical fiber coupler in the process of fused biconical taper was established, with which, the numerical analysis under non-uniform temperature field was realized.

基于理论与实验研究，建立了光纤耦合器熔融拉锥过程的粘弹流变力学模型，并给出了光纤耦合器非均匀温度场条件下的流变过程数值分析，获得了拉锥速度、熔融温度等流变工艺参数对器件应力分布与器件性能的影响规律。

Mechanical stress is distributed abnormally across the two cusps of these bicuspid valves causes them to "wear out" earlier than expected.

机械应力在这种二叶主动脉瓣的分布异常，导致了瓣膜的"磨损"早于预期。

The practical reinforced supporting range was proposed according to the mechanical behavior in bifurcate section of plane bifurcate tunnel.

从平面分岔隧道分岔段力学行为的角度提出切实可行的加强支护范围。

Bifurcate tunnel; Mechanical behavior; Numerical simulation; Stress influencing factors

分岔隧道；力学行为；数值模拟；应力影响因素

Pregabalin also increased the mechanical withdrawal threshold of the paw bilaterally, but only with 100 mg/kg.

当剂量达100 mg/kg时，普瑞巴林也可以双侧性的增加爪子的机械退缩阈值。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。