机械工程

The paper investigates finite element theory、mechanical vibration theory、thermal mechanics theory. It analyzes and researches torpedo car structure through summarizing the practical project experience. This paper establishes the reasonable finite element computing model. So as to make sure the computation gets analysis results more accurate.

本文研究了有限元理论、机械振动理论、计算机辅助工程分析方法和热力耦合理论，在总结实际工程经验的基础上对混铁车罐体结构进行分析研究，建立了合理的有限元模型，以求达到相对精确的分析结果。

This project first proposes that the coupled interaction between internal and external multiple nonlinear factors existing in the DC electric machine drive system fed by power converter is the essential cause of bringing out the nonlinear- coupled oscillation of system, that first suggests

为解决实际工程应用中的机械振动、建筑结构振动及电气工程中的电气耦合振荡提供了重要理论和关键技术。

Products include PLC, Touch Panel, VVVF, AC servo system, power distribution control, numerical control systems, but also to the field of enterprise customers tip of technical services, technical engineering staff of the PLC, Touch Panel, inverter, servo , step, such as automation and control systems, has a wealth of practical experience in engineering, a lot of companies have successfully carried out for the system design and technical transformation projects, covering machine building, metallurgy, textile, printing and dyeing, paper making and printing, food processing, water treatment and other industries to provide better and more efficient services.

产品包括PLC、触摸屏、变频调速器、交流伺服系统、配电控制产品、数控系统，同时也向该领域企业客户提供先端的技术服务，公司技术工程人员对PLC、触摸屏、变频器、伺服、步进等自动化控制系统等，有着丰富的实际工程经验，先后为很多公司成功进行系统设计和技术改造等项目，范围涉及机械制造、冶金、纺织、印染、造纸及印刷、食品加工、水处理等行业，提供更好、更快的服务。

At end of each mouth the Contractor shall deliver to the Engineer a priced statement of the labour, materials and the Contractor's Equipment, except as aforesaid, used and the Contractor shall be not entitled to any payment unless such lists and statements have been fully and punctually rendered. Provided always that if the Engineer considers that for any reason the sending of such lists or statements by the Contractor, in accordance with the foregoing provision, was impracticable he shall nevertheless be entitled to authorize payment for such work, either as daywork, on being satisfied as to the time employed and the labour, materials and Contractor's Equipment used on such work, or at such value therefore as shall, in his opinion, be fair and reasonable.

每个月末，承包人应向工程师送交一份不包括上段内容的所用劳务，材料，承包人的机械设备并标有价格的结帐清单，如承包人未能将此结帐单与报表开列齐全，准时提交，则承包人无权获得任何款项，但是如工程师认为按上述规定，承包人的清单和结帐单的呈报由于任何原因而实际无法做到，则工程师仍然有权核准此等工作款项，该项款项或按计日工计算(工程师必须对该工程所雇的劳力，时间，所用的材料和承包人的设备情况表示满意)或按工程师认为公平合理的该项工程的价值计算。

This is a highly complex and intercrossing advanced subject, which contains a great deal of knowledge of other subjects, such as mechanics, biology, humanics, computer science and engineering, cybernetics and control engineering, electronic engineering, artificial intelligence, sociology and so on.

机电智能控制工程是集机械学、生物学、人类学、计算机科学与工程、控制论与控制工程学、电子工程学、人工智能、社会学等多学科知识之大成，是一项综合性很强的、高度交叉的前沿学科。

Acquired Tianjin Construction Machinery Ltd. of natural gas transmission pipeline hydraulic equipment production line project of the country are supporting equipment; Cixi Burgmann Sealing Materials Company W-type high temperature and high pressure spiral wound gasket has been successfully used to HYDROCRACKER up; Dalian Hydraulic Parts Plant Factory and Shanxi Changzhi Hydraulic steering vane pump, are of medium and heavy motor vehicle steering system of the key components, the current annual output of both plants has reached more than 10 million units; Qingdao Kipper sealed the company's new portfolio of large-scale bi-directional sealing and anti-water oil seal are respectively 9 tons FAW Jiefang trucks and tractor trailers 1 matching seals; addition Tianjin Co., Ltd. special precision hydraulic hydrostatic transmission devices and many way valve, Huzhou Miguel pieces of the company's multi-function hydraulic slide-valve, Weihai, a combination of pneumatic components调压阀the air relief valve, Guizhou Feng Yang's hydraulic pump stations and hydraulic valves, such as shift , are well received by users.

天津市精研工程机械传动有限公司的天然气输送管道生产线液压设备是国家西气东输工程的配套设备；慈溪博格曼密封材料公司的高温高压W型缠绕垫片，现已成功地用于加氢裂化装置上；大连液压件厂和山西长治液压件厂的转向叶片泵，是中、重型汽车转向系统中的关键部件，目前两个厂的年产量已达10万台以上；青岛基珀密封公司的新型组合双向密封和大型防泥水油封是分别为一汽解放牌9吨车和一拖拖拉机配套的密封件；此外天津特精液压股份有限公司的静液压传动装置和多路阀、湖州生力液压件公司的多功能滑阀、威海气动元件公司的组合调压阀的空气减压阀、贵州枫阳液压公司的液压泵站和液压换挡阀等，都深受用户的好评。

The four flux-cored wires make a great progress in repairing of pedrail engineering machine in the Three Gorges Project.

这四种焊丝在三峡工程修复履带式工程机械行走机构中发挥了巨大的作用，取得了良好的经济效益。

Sc.1983 Institute of Project Planning and Research (Changed name to IPPR Engineering International since Oct.2001 、 United to China IPPR Engineering Corporation).Now, President of China IPPR Engineering Corporation, President of IPPR Engineering International, Chief Architect, Professorate Senior Architect, State Grade A Registered Architect State Registered City Planner.

大学毕业后一直在中国中元国际工程公司（曾用名机械部设计研究总院、中元国际工程设计研究院）工作，研究员级高级建筑师、国务院特殊津贴专家，现任公司总裁、总建筑师，担任北京市勘察设计协会常务理事、中国机械工业勘察设计协会常务理事、中国勘察设计协会常务理事、中国建筑学会常务理事、中国建筑学会建筑师分会工业建筑学术委员会主任委员。

With queuing theory, the problem of the organization of the earthwork construction is solved in the Violet Gold Garden project with reverse construction method and the curves on efficiency and cost are given to make the machine disposition optimized economically.

结合天津市紫金花园工程"逆筑法"土方工程施工组织，运用排队理论解决土方挖运的施工组织问题，并得出在一定施工组织下土方开挖的效率和成本曲线，保证日出土量与机械配置在经济上达到最优。

Widely used in all types of jungle rock drill, dig roads and other projects, the stability of material received by the majority of customers, but also for many domestic manufacturers of construction machinery for OEM production, has accumulated a wealth of industry experience.

广泛应用于各类开山凿岩、路面开凿等工程，由于材质稳定深受广大客户的好评，同时也为国内众多工程机械生产厂家提供OEM生产，积累了丰富的行业经验。

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。