A new type of water - resistant buffing and abrasive tool , combined of macromolecule abhesive agent and abrandant with betterelasticity , ductility , higher inner structure , abscess ratio ; it can cut , buff and porphyrize evenly , especially perfect for easily burnt , easily blocked work pieces 采用高分子粘合剂与磨料合成的新一代抛磨器具，具有较高弹性与韧性，其内部结构气孔率高，防水性好，具有均匀切削抛磨能力，特别适用于磨削易烧伤，易堵塞的工件。
In this paper , the classification of industrial robot hands was discussed , traits and structure forms of various types of hands were analysed , and in order to understand and design the hands of robot , typical structures of some robot hands in use were explained in details 讨论了工业机器人常用手部的分类，对不同类型的手部进行了使用特点和结构形式的分析，并对实际使用中的某些机器人手部典型结构进行了详细分析，为了解机器人手部结构和进行手部设计提供了帮助。
Due to exceedingly flat arched vault of the flat tunnel with outsized span and renewed stress allocation in surrounding rock after excavation , which would inevitably induce some excessively large load on the base of arch , therefore , larger load - bearing capability in the is " foundation is a must . on the other hand , smooth face explosion must be applied to excavation of the arch base to further ensure the integrity and continuity of country rock around tunnel 特大跨超浅埋隧道拱部结构过于扁平，开挖后发生二次应力分布，拱脚处的应力过大，要求有较大的地基承载力，拱脚开挖时必须采用光面爆破，保证围岩的完整性和不受扰动，开挖后及时封闭，防止该处积水软化围岩。
With the summarization of lots of interrelated references , the studying actuality and developing level which about soil - structure interaction are presented , and the analytical ways of dynamic soil - pile - superstructure interaction are summarized . the limitations , advantages and disadvantages existing in present researches are discussed too . then the basic research way and analyzing frame route related to upper - lower structural parts with piles in this paper is introduced 本文共分为七章,分别做了如下工作: 1 、通过对大量相关文献的概括总结,评述了国内外开展土-结构动力相互作用研究的现状与发展水平,对地基-桩-上部结构动力相互作用的方法进行了归纳总结,分析了已有研究工作成果的局限性及优缺点,提出了本文针对桩基上下部结构体系所采用的理论和试验研究途径以及基本框架思路。
In addition , according to the complexity of the enthalpy different laboratory and the coupling between the temperature with humidity , for normal regulations pid can not attain the good control result , the fuzzy - pid control strategy is bringed up . in this thesis , we explain the reason of selecting by the fuzzy - pid control , the fuzzy - pid control ' s principle , design , and imitate the true model to take and analyze fuzzy control system proceed stability analysis 此外，基于焓差室内部结构的复杂性以及温度和湿度之间存在着一定的耦合作用，目前采用的常规pid控制难以达到较好的控制效果的特点，提出了fuzzy - pid控制策略。在论文中，简要说明了选取fuzzy - pid的原因和fuzzy - pid控制的原理、设计，以及仿真模型的求取，并对该模糊控制系统进行稳定性分析，最后采用matlab进行仿真研究，给出仿真结果和理论分析。
With the summarization of lots of interrelated references , the studying actuality and developing level which about soil - structure interaction are presented . the limitations advantages and disadvantages existing in present researches are discussed too . then the basic theory way and analyzing frame route related to upper - lower structural parts with pile - groups in this paper is introduced 通过对大量相关文献的概述总结，分析了国内外开展土-结构物共同作用研究的现状及其发展水平，评述了已有研究工作成果的局限性及优缺点；提出了本文针对桩基上下部结构体系所采用的理论分析途径和基本框架思路。
However , buildings can remain security by adopting the friction base isolation technique . the earthquake response of the structure can also be greatly reduce by installing the base isolation layer between the superstructure and the foundation fixed in the ground . this isolation layer can prevent the propagation of the earthquake wave to the superstructure 它利用上部结构与固结于地基中的基础间的隔震层，阻隔地震波向上部结构的传播，从而大大减轻了结构的地震反应，保证了建筑物的安全，具有广阔的应用前景。
Abstract : in this paper , the classification of industrial robot hands was discussed , traits and structure forms of various types of hands were analysed , and in order to understand and design the hands of robot , typical structures of some robot hands in use were explained in details 文摘:讨论了工业机器人常用手部的分类，对不同类型的手部进行了使用特点和结构形式的分析，并对实际使用中的某些机器人手部典型结构进行了详细分析，为了解机器人手部结构和进行手部设计提供了帮助。
In this paper , a car - pedestrian impact model was established by using the available multi - body pedestrian model and the software of madymo . by changing the main structure parameters of the car - front , the influence of car - front structures to the knee injury was analyzed , and the car - front structures that cause minor injury to the legs were proposed 本文采用现有的行人多体动力学模型,利用madymo软件,建立了汽车与行人碰撞模型,通过改变汽车前部的主要结构参数,分析了汽车前部结构对行人膝关节损伤的影响,确定了在汽车与行人碰撞过程中对人体下肢损伤较小的汽车前部结构。
Based on a discussion about the composition , microstructure and role of bone tissue , the requirements that artificial bioactive bone should meet are discussed , a simplified method of bone microstructure is put forward , an internal microstructure model for artificial bioactive bone is established the model is a structure with multi - holes , large area and volume 在阐述骨组织的组成、结构和功能的基础上，分析了具有活性的人工骨其内部结构应具备的条件，提出了骨内部微细结构的简化方法，建立了人工骨内部微细结构的模型。该模型是一个多孔、多空隙的结构，有较大的表面积与孔体积。
