力学的

It was showed that braiding parameters had a great effect on mechanical properties of C〓/EP composites.

研究表明，编织参数是影响复合材料力学性能的重要因素。

The changes of their tension strength and breaking elongation are developed by Mechanics Performance Testing.

通过力学性能测试分析拉伸强度和断裂伸长率的变化。

It was found that the breaking stress decreased with decrease of molecular weight and degree of macromolecular orientation.

研究结果表明，本文工艺条件下研制的PDS缝线在体外降解过程中随着分子量和大分子取向程度下降，力学性能明显下降，4星期时强度基本消失。

Since more than half a century ago, bulge test technology has been widely used in the thin film test.

半个多世纪以来，鼓膜实验测试技术被广泛地运用于薄膜的力学性能测试中。

Using Mo powder,Fe-B alloy powder,and Fe powder as raw materials,and adding Cr,Ni and C alloy and agent polyvinyl butyral,Mo_2FeB_2 hard alloy was clad on a Q235 steel substrate to form a new type of cladding material with excellent wear and cor- rosion resistance property by means of vacuum liquid phase sintering technique.

以Mo粉、Fe-B合金粉、Fe粉为基本原料，掺加适量合金元素Cr，Ni，C，以及有机粘结剂聚乙烯醇缩丁醛，采用真空液相烧结法在Q235钢基体表面制备Mo_2FeB_2硬质合金覆层，获得了力学性能良好且耐磨抗蚀的新型硬质合金覆层材料。

The mechanical properties of polyethylene filled with surface-modified calcium oxide reached the national standards.

采用经过表面处理的氧化钙填充到聚乙烯中，制得C aO-PE薄膜，其力学性能达到国家标准。

To improve mechanical properties of calcium phosphate bone cement,carbon fiber was used as the reinforcing phase .

采用碳纤维为增强相以提高磷酸钙骨水泥的力学性能。

By using static gap element theory, calculating the drill string friction through nonlinear mechanics iterative, the size and distribution rule of friction are found .

本文利用静力间隙元理论方法，对钻柱摩阻力进行非线性力学迭代计算，得出摩擦阻力的大小及其分布规律。

OBJECTIVE: To summarize the application and characteristics of sports biomechanics in various sports, especially in calisthenics.

目的：概述运动生物力学在各体育运动，尤其是健美操运动中的应用及特征。

Examples (from Lagrangian and Hamiltonian Mechanics by M. G. Calkin. River Edge, NJ: World Scientific Publishing Co. Pte. Ltd., 1999.) HW4 Issued

例题（来自M.G Calkin所著的《拉格朗日和哈密尔敦力学》由新泽西洲世界科学出版社在1999年出版

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。