力学的

From the perspective of the variational discussion of Lagrange\'s contributions to the principles and analyzation of mechanics,the interaction between the calculus of variations and mechanics,especially the variational principles is made clear.

结合拉格朗日微积分代数化方案和18世纪可积性条件的研究，探讨了拉格朗日关于变分法基础研究的数学背景及相关工作；通过对《分析力学》中静力学约束平衡问题的细致考察，系统探讨了变分法中乘子法则的力学渊源、提出过程及意义。

After testing the mechanical property of elytron with nanoindentation, the experiment result shows that values of Cybister tripunctatus's elytron chitin are higher than the average values, and the mechanical property of different testing areas are dissimilar.

在对多种甲虫鞘翅运用纳米压痕仪进行力学性能测试后，发现东方龙虱鞘翅壳质层的力学性能数值要大于总体的平均值，而且同一甲虫鞘翅的不同测试区的力学性能也存在差异。

And also, three new kinds of model materials with the property of normability, continuous elastic modulus and compressive strength were made for different types of rock mass, in which, sand and barite as main materials, gasoline as diluents, epoxy resin, silicone rubber and rosin as binders, of course, there exist other auxiliary materials.

根据共和隧道岩体的力学参数，以砂和重晶石为骨料，汽油为稀释剂，分别以环氧树脂、硅橡胶、松香为粘结剂，再添加其他的辅助材料研制了3种不同力学性质的相似材料，均具有可模性、连续弹性模量和抗压强度，可满足模拟3种不同力学性质岩体的要求。

Referring to the optical rounded reflector of spherical surface used in a space remote sensor, a kind of flexible structure was designed for regulating thermal deformation. Theoretical analysis was done to its dynamic model and parameter of structure, and simulating analysis was also done to reflector module with technology of the Computer Aided Engineering in order to solve the status of high rigidity of structure and poor thermal stability of thermal dimension.

针对某空间光学遥感器的圆形球面反射镜设计了一温升变形调节柔性结构件，对其力学模型及柔节参数进行了理论分析，并采用计算机辅助工程分析技术对反射镜组件结构进行建模和仿真分析，以解决反射镜在力学环境下满足结构刚度要求，而热环境下面形精度显著超差的状况，使反射镜结构刚度满足力学要求的同时，具有良好的热尺寸稳定性，达到遥感器成像质量要求。

However,the fractal studies are directed at growth models basis on growth mechanism of plant and model of the form only consider of the appearance of plant,unlinked to Structural Mechanics of trees and conclude three-dimensional coordinates.

本项研究试图通过分形理论为研究树木的力学性质提供空间结构模型，因而分形研究的结果是要构建出有三维坐标的树木力学结构模型，为下一步进行力学性质分析打下基础。2。

Secondly,based on the requirement of research and combining autofrettage damage of ultra-high vess-el,the paper briefs basic theory of damage mechanics:compare damage mechanics withfracture mechanics,analyze the damaged forms of ultra-high vessel.

其次，基于研究的需要，结合超高压容器自增强的损伤对损伤力学基本理论进行了简述：损伤力学与断裂力学进行了对比，分析了超高压容器的损伤形式。

9GPa respectively, and those of random short fiber composites are 145MPa and 13. 0GPa respectively. Therefore, the initial mechanical capability of unidirectional long fiber and short fiber composites of CPP/PLLA is able to satisfy the requirement of mechanical capability of internal bone fixation materials for cortical bone, and random short fiber composites of CPP/PLLA for cancellated bone.

因此，CPP/PLLA单向长纤维及单向短纤维复合材料的初始力学性能满足承重骨骨内固定材料的力学性能要求；CPP/PLLA随机短纤维复合材料的初始力学性能满足松质骨骨内固定材料的性能要求。

It deals with the motion and deformation, thermodynamics and constitutive relationships of continua. With the fast development of the modern science and technology, especially the new material science, its extension includes the damage, fracture and the macro-micromechanics for the materials.

随着现代科学和技术的高速发展，连续介质力学扩展到材料的损伤、破坏和宏微观力学，成为近代力学最重要的基础之一。

It deals with the motion and deformation, irreversiable thermodynamics and constitutive relationships of continua. With the fast development of the modern science and technology, especially the new material science, its extension includes the damage, fracture and the macro-micromechanics for the materials.

随着现代科学和技术的高速发展，非线性连续介质力学扩展到材料的损伤、破坏和宏微观力学，成为近代力学最重要的基础之一。

Based on the rock type of coal-bearing formation ,the key factors to control rock mechanics properties ,such as lithological characters ,in-situ stresses, and moisture, are systematically analyzed.

基于含煤岩系主要岩石类型，系统分析了决定岩石力学性质的主要控制因素如岩性、地应力和水，探讨了不同岩性岩石在不同侧压和不同含水条件下的力学特征，分别建立了含煤岩系岩石力学性质与岩性、地应力和水等主要控制因素之间的定量关系。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。