力学

The results show that the equations have benefit to the deduction of the pantograph's mechanical differential equations.

研究结果表明：利用升角与升弓高之间的关系，可简化受电弓运动微分方程的推导；应用所建立的力学模型、实测数据以及简化公式可更准确地分析和计算弓网系统的力学行为。

The elasticity point-force solutions for perfectly bonded elastic halfspaces in literatures are further studied. The compact formulae of displacements and stresses are given, which can be used as Green function in the boundary element method.

对已有的关于双相材料组成空间的弹性力学基本解作了进一步整理，给出了问题的位移场和应力场的显式表达式，此解答可作为Green函数在边界元法中进行使用，从而为使用边界元法研究双相材料中的力学问题奠定了基础。

And combining finite element method and periodic boundary conditions,this article has provided the solution process for asymptotic homogenization equation and the predicting effective mechanics properties method in engineering.

本文利用渐进均匀化理论，详细叙述了求解具有周期性细观单元结构的复合材料有效力学性能的方法，并结合有限元理论和周期性边界条件，给出了求解渐进均匀化方程的过程，为实际工程问题提供了预测材料力学性能的方法。

Based on the lab orthogonal tests,using self-manufactured constant head permeameter,the effect of gravel content,void ratio and particle shape on the coefficient of permeability of soil-rock-mixture was studied.

渗透同强度和变形特性一起，都是土力学中所研究的主要力学性质，在土木工程的各个领域中都有重要的作用[3]。

The mechanical properties,micromorpholgy microstructure of grain boundary and phase composition of Al_2O_3 composite ceramics were systematically studied ,the effect of additives,the relationship between microstructure and mechanical strength,the sintering mechanism of the material and influence factors of the structure and properties of Al_2O_3 composite ceramics were discussed respectively.

系统研究了氧化铝陶瓷的力学性能、微观形貌、晶界显微结构，并讨论了各添加组分的作用、材料显微结构与力学性能的关系以及材料的烧结机理和影响材料结构与性能的影响因素。

The results showed that the workability of PGM with 13% water content was better, the mechanics indexeal of PGM decreased with the increment of water, and increased with the enhancement of pisolite when the amount of water less than 14% and pisolite less than 35%, moreover, tensile strength of PGM was approximately 40% higher than that of ordinary concrete.

研究表明，对于所研究的豆石型灌浆料，其在13%加水量下具有较好的工作性能；其力学指标随加水量的增大而降低；当加水量小于14%，豆石含量小于35%时，力学指标随豆石掺量的增大而提高。此外，研究还发现，豆石型灌浆料的抗拉强度要比同等级的普通混凝土高40%左右。

A new concept and the regression equation of Poisson ratio are put forward for reinforced concrete based on reliable test data and regression analysis in this paper.

泊松系数和弹性模量是工程材料力学模型物理方程中的两个必须由试验确定的材性参数，力学模型的可靠性和精确度取决这两个参数的取值。

The paper describes the characters of earth-overturning- Weightlessness and the latest evidence- polar axis of rotation migration, and earths state, global state of mechanical mutual influence by earth-overturning movement, and enlighten of mechanisms of hydrocarbon migration and reservation, Fracture Formation and distribution, abnormal Phenomena in sedimentology, Ground Stress drastic change, mechanical properties of joint Transformation and modification of existing reservoir.

文章讲述了地球翻转运动"失重"的特征及其存在的最新证据—极地旋转轴偏移；地球翻转运动对地球状态、全球性力学状态的双向影响及对油气运移成藏的机制、裂缝形成与分布规律、异常沉积学现象和地应力剧变、节理力学性质转换和已成油气藏的改造等方面的启迪。

The structure and mechanical properties of polyamide 66/BASO_4 composites were studied in this paper,the effect of surface treatment of BaSO_4 was also studied.

研究了聚酰胺66(PA66)/硫酸钡复合材料的形态结构和力学性能，探讨了硫酸钡的表面处理对复合材料形态结构的影响以及活化硫酸钡对复合材料力学性能的影响。

W. Meyer from the perspective of the static mechanical stratification of potential energy theory, a theoretical study of the hierarchical system and static mechanical dynamics of the two factions.

迈耶则从静力学角度提出了分层的位能学说，形成了分层理论研究的动力学体系和静力学体系两个派别。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新