力学

The key of studying this kind of complex system, is adopting the theory and methodology of complex system, combining the basic law of rock mechanics, found the scientific model and system info of complex system. To nonlinear, anomalistic geometry et.

对于这样的复杂性系统研究的关键，是采用复杂性系统的理论方法，并结合岩石力学的本质规律，采用适当的研究方法，建立复杂性系统的科学模型和理论体系。

The mechanical property testing shows that the seamless PLLA tubes perform excellent radial strength,which indicates that the mechanical properties of biodegradable stents made of these tubes was supposed to be excellent.PLLA and its composites were first used in preparing seamless tubes as antecedency of laser-cut biodegradable coronary stents in china.Finite element analyses of the biodegradable coronary stent model indicate the explorative design basically meets the requirement of reasonable and applicable stents.There is not such kind of research yet in domestic.Optimum laser-cuttting parameters of CO2 laser was cauculated based on experiential formula,within it,biodegradable coronary stents,especially those with complex structure would be manufacutured from seamless tubes quickly by laser microprocessing with high consistency to the design model.The processing efficiency of the CO2 laser demonstrated in experiential formula by us will play an important guiding role in manufacturing biodegradable stents by laser-processing.Our stents that ascribed to laser-cutted,slotted tube stent are proved to be biodegradable, self-expandable and good biocompatible,basically reach the international level on the aspest of manufacturing procedures and design.

研究结果表明：壳聚糖改性材料综合性能优于纯PLLA，更适合于作为可降解冠脉支架的原材料；自主设计的探索性自膨胀管状闭环型可降解冠脉支架的性能符合冠脉设计要求，设计、验证生物可降解冠脉支架模型的研究在国内还未见报道；制备的改性PLLA无缝管的力学性能优越，可通过激光切割获得冠脉支架，这是国内首次采用聚乳酸材料来制备通过激光加工出可降解冠脉支架的无缝管；二氧化碳激光器加工精度能达到加工要求，加工出来的血管支架名义设计与实测值误差小，实现了冠脉支架、尤其是带有复杂外观设计冠脉支架的快速化、规范化加工，对二氧化碳激光器加工聚乳酸材料的效果研究在国内外属于首创，获得的经验公式对日后的深入研究有重要的指导意义；制备的支架为激光切割管状闭环型冠脉支架，支架外观设计、支架加工手段、支架的性能都基本接近国际水平，支架样品符合设计的理念，可以实现自膨胀功能。

The key factors to make the slide is controlled to make the model be similar in geometry, material and fabric with the antetype, then simulate the infection of river ,digging of road and so on, measure the data of the distortion of model, analyze the reason of the distortion and factors of the slide.

试验抓住造成滑坡的主要因素，根据所得的岩石力学参数及结构面参数，在几何条件、模型材料、结构面条件等方面都基本满足相似原理的情况下，对模型进行了河流下切、公路开挖等条件的模拟，测量观察边坡的卸荷回弹与层面的弯曲变形情况，利用所测数据分析论证滑坡的形成机制和影响因素。

A modular femoral neck system of hip prosthesis is one method that can be used to obtain ideal femoral neck anteversion, offset, leg length and alignment.

摘要 全人工髋关节股骨柄上，股骨颈与股骨柄之模组化设计有利於手术过程中提供医师在完成股骨柄元件植入后，还能对於股骨颈与髋臼元件之间对位的调整，只要搭配选取不同的股骨颈元件弯曲角度或长度便可有效地重建髋关节的力学环境。

So this paper begins with the deep analysis of the characters of anatomy, biomechanics and anthropometry of hand.

为此，本文首先深刻剖析了手的解剖学、生物力学、人体测量学等特征。

Other studies by United States universities, medical and injury prevention centers, and private research organizations have involved basic research in biomechanics and head injury epidemiology, 3-D child head anthropometry, helmet fit research, and seat belt restraining design effects on the body.

其他的研究由美国大学，医疗和伤害预防中心和私人研究组织都涉及基础研究，生物力学和颅脑损伤流行病学，三维人体测量儿童的头部，头盔适合研究，并限制安全带设计的影响的机构。

Gait analysis is a research approach using knowledge from biomechanics, anthropotomy and physiology. Today's computer technology helps conduct comparative analysis towards stress of foot when walking, running and jumping in the forms of number, image and curve line.

步态分析是利用生物力学原理和人体解剖学、生理学知识，借助现代计算机技术，用数字、图像和曲线对人体行走、跑、跳等运动时的脚部受力状态进行对比分析的研究方法。

The mechanical property of the synthetical material was improved, and the antibiosis activity lasted for 21 days at the most.

丁胺卡那-蒙脱土复合材料／硅橡胶导尿管材料具有良好的力学性能、抗菌性能及缓释效果。

During VVI pacing, ventricular EAS was located at the right ventricular apex, thus resulting in an antidromic ventricular activation sequence from cardiac apex to base, as manifested by the delay and dispersion in phase, while the PS, FWHM and PSD were reduced as compared with those before VVI.

心室激动顺序和心室收缩同步性是维持正常心室功能的重要因素，在时间和空间上保持心室舒缩活动处于一个协调有序的工作状态，从而保证心室射血的力学效应，产生最佳的血流动力学效果。

The high specific surface area of the powder can enhance the mechanical performance of the powder in room temperature and high temperature and improve the antienzyme low temperature aging performance of the powder.

由于该粉体具有高比表面性，可提高粉体的室温、高温力学性能和抗低温时效老化能力。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐