力学

ABSTRACT Based on the continuum mechachnics, the theory of coupling deformation of solid-fluid biphase is built.

本文以连续介质力学为基础，建立了固-流两相介质耦合变形力学基本理论和煤与瓦斯突出的两相介质力学模型，提出了煤与瓦斯突出的两相介质力学问题。。。

Group of finite element analysis was divided into 2 kinds(compact bone and cancellated bone ), 10, 50, 100, 200, 400 kinds of material attributes groups based on the gray value. All models were assigned with material attributes and tested in ansys for mechanics datas of nodes on surface of femoral neck. In group of biomechanical testing, twelve specimens of femoral superior segment were treated with compressed testing to harvest mechanics datas of measuring point same as that of group of finite element analysis. Results One-Way ANOVA showed as follows.

有限元分析组在Mimics中根据灰度值将三维模型材料属性分为2种、10、50、100、200、400种后赋予材料属性，在Ansys中进行力学分析并采集股骨颈表面节点力学数值；体外力学试验组将12侧股骨上段标本进行压缩试验，采集与有限元分析组相同测试点力学数据。

On the other hand, macro-fracture mechanics has not developed perfectly and needs to be studied continuatively, especially the application in the practical engineering.

断裂力学是50年代开始蓬勃发展起来的固体力学新分支，有微观断裂力学与宏观断裂力学之分。

The mechanical properties of coal filled polymer composites The mechanical properties of coal/PP composites were investigated, and the effects of coal rank, particle size, surface modification of coupling and alkylation were discussed. The results show that the anthracite and bituminous coal all can be used as filler of plastic after pretreatment of part devolatilization and surface modification; The modulus of composites increase with the content of coal filler; The coupling agent is of no effect for reinforcing the coal/PP composites, except that there are new oxygenous function group forming on the surface in the process of pulverizing; The F-C alkylation reinforce coal (under 10μm)/PP composites obviously.

4煤填充高分子复合材料力学性能超细煤粉填充聚丙烯复合材料力学性能的研究结果表明，烟煤和无烟煤经过脱除部分挥发分的预处理后，都可用于与塑料共混制备复合材料；偶联剂改性对低变质程度烟煤/聚丙烯复合材料的力学性能基本不起改善作用，而对于经气流超细粉碎后的小粒径高变质程度烟煤及无烟煤则有一定的增强作用；烷基化改性在煤表面接枝了烷基，使平均粒径小于10μm的煤/聚丙烯复合材料拉伸屈服强度普遍提高，煤填充高分子复合材料可在较高含煤量情况下维持良好的力学性能。

With the use of modern photomechanical methods and the 3-D photoelastical frozen methods, the stress, the strain and displacement of proximal femur were studied and several significant results obtained.

言 近来发展起来的生物力学，是研究动物和人体生命运动规律，用力学观点来了解和揭示生物运动规律的一门新兴的边缘学科，它把生物、力学、医学、工程技术和实验力学等有机地结合了起来，使其成为理论紧密连系实际、很有前途的一门崭新的学科。

Based on rock mechanics test demarcates the rock mechanics of logging calculating and founding the rock mechanics parameters section. All which will offer the lithology and rock mechanics parameters about bit selection、crustal stress and stratum pressure.

基于岩石力学实验&刻度与标定&测井计算的岩石力学参数，建立工区岩石力学特性剖面，为钻头选型、地应力和地层压力计算提供了可靠的岩性、岩石力学依据。

Based on the differential geometry, mechanical system dynamics, theoretical mechanics, strength of materials and elasticity theory, we made the study for the enwinding system in the roller of the ZJ70D rig. Finally, we solved the equations in the computers.

本文依据微分几何、机械系统动力学、理论力学、材料力学及弹性力学等基础理论，对钢丝绳在LEBUS绳槽滚筒缠绕行为进行了几何、动力学及静力学等方面的研究，并基于ZJ70D钻机结构参数进行求解。

A good balance between the dynamic property and the thermal-oxydative ageing property on the blend vulcanizates were obtained when curing system is SEV and the S/CZ/DM ratio of 1.5/1.5/0.5;There was a good balance among tensile strength and heat build-up and damping property on blend vulcanizes filled with moderate size carbon black;The mechanical properties of vulcanizate filled with N660/N330 and N660/N990 were medium between two carbon black filled individual.

补强填充体系对NR/ENR硫化胶的性能有较大的影响，选择粒径适中的炭黑品种N660作为补强剂，硫化胶在拉伸强度、疲劳生热和减震方面可以获得较好的平衡；N660/N330和N660/N990两种填充体系硫化胶的力学性能，基本上是单用一种炭黑所得硫化胶力学性能的加权平均；N660/白炭黑(40/20)和N660/碳酸钙(45/15)填充体系硫化胶的力学性能与相同用量下N660单用时的相当，而N660/陶土填充体系硫化胶的力学性能较差。

Based on the parallel bar system,combining with the synergetic method,the catastrophe theory and also the acoustic emission test,two new activated statistical damage models for quasi-brittle solid are developed,which could simulate the whole damage and fracture process of material when exposed to quasi-static uniaxial tensile traction.

通过对连续损伤力学与细观统计损伤力学的基本理论进行比较，指出现有损伤力学模型的缺陷和不足，将混凝土材料细观损伤对宏观力学性能的影响重新概括为断裂损伤和屈服损伤两种模式。

The results of finite element analysis are also coincident with experimental test results. It has been proved that the prsent vacuum vessel's bellows, ports and lower rigid supports are feasible.

最后专门设计了一套力学性能测试平台，运用实验力学方法，对真空室的关键部件进行了力学性能测试，获得了一些相关的实验数据，综合评价真空室的支撑结构和波纹管的力学性能并验证了有限元仿真分析结果。

I'm strongly against the death penalty — it's an eye for an eye.

我不赞成死刑——这是以牙还牙的报复行为。

And to get you the support you need, we're enlisting all elements of our national power: our diplomacy and development, our economic might and our moral suasion, so that you and the rest of our military do not bear the burden of our security alone.

并给你们所须的支援，我们正徵召国家所有各种的力量：我们的外交及发展，我们的经济力量与道德劝说，所以你们与其他军人不须要孤独地负起国家安全的责任。