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The design of two key parts, grasper and transit unit, was emphasized.
Finally, a dynamics simulation on the two key parts is implemented to test their driving elements.
And the material property and the motion restraint are set according to the above-mentioned principle.
The motion restriction, materials density and friction are input into the virtual model of the transit unit.
Applied Engineering in Agriculture. 2(1986) 2-5 [5] W.C.Choi,D.C.Kim,I.H.Ryu, Development of a seedling pick-up device for vegetable transplanting,J.

The Classification Mechanism of ZrB2 Powder Materials Via the Sedimentation Method Jieguang Song1a, Minghan Xu1, Aixia Chen1, Fang Wang1and Daming Du1 1 Jiujiang Key Laboratory of Green Remanufacturing, School of Mechanical and Materials Engineering, Jiujiang University, Jiujiang, Jiangxi, 332005, China a songjieguang@163.com Keywords: ZrB2 Powder materials; Classification; Sedimentation method.
Powder is solid raw materials in industrial circle such mine, metallurgy, chemical engineering and building materials.
The excellent performance of materials is decided on the one hand from the good particle size and size distribution.
Acknowledgments The authors are grateful for financial support from The Key  Subjects Construction Program for the Materials Processing Engineering of Jiangxi Province in China during the 12th Five-Year Plan Period, The Science and Technique Foundation of the Educational Department of Jiangxi Province in China, and the Natural Science Foundation of Jiangxi Province in China (Grant No. 20114BAB216023).
Hausselt: Key Eng.

Study on Main Function and Key Technology of Enterprises Contingency Plan Virtual Drill System Based on Virtools Han Yunpeng1,a, Meng Jianfeng1,b , Meng Jianjun2,c, Zhang Weishuai3,d 1 School of Mechanical Engineering, Shandong University, Jinan, P.R.China 2Shandong Tobacco Industry Co.
Then it analyses the key technologies which include the construction of 3D scene, scene optimization, scene special efficiency, network communication and synchronization, and diffusion analysis of dangerous chemicals.
Research of system’s key technologies Based on the system’s function, the key technologies include: construction of 3D scene, scene optimization, scene special efficiency, network communication and synchronization, and diffusion analysis of dangerous chemicals.
Then the contingency plan subsystem’s main function and key technologies are analyzed.
References [1] Xiang-Tong Liu, Zhu-Guo Xiong and Qiu-Xiang Cao: Exploration Engineering Vol. 2(2009), p.78 [2] Dong Han: Armed Police College Vol. 25 ( 2008 ), p. 90 [3] Qian Sun: China Science and Technology Information Vol. 12(2008), p. 94 [4] Mei Hao: China Water Transport Vol. 9(2009), p.129 [5] Chan S T, Ermak D L: Journal of Hazardous Materials Vol.16(1987), p.267

This special issue of Key Engineering Materials presents the latest progress in, and research on, new theories, technology, methods and equipment in materials processing and manufacturing automation technology.
The major topics considered include: Experience and Paper Education in Special Machining Technology, Process Monitoring and Quality Control of Manufacturing Systems, Industrial Robot Technology, Agile Manufacturing, Intelligent Manufacturing, Green Manufacturing, Virtual Manufacturing, Networked Manufacturing, Computer Integrated Manufacturing Systems and Contemporary Integrated Manufacturing Systems, Product Life-Cycle Management, Computerized Numerical Control Systems and Flexible Manufacturing Systems, Precision Machining Technology, CAD/CAE/CAPP/CAM and Application of Product Data Management, Logistics Engineering and Equipment and Other Related Topics.

Analysis and controlling of the surrounding rock stability mechanism in underground engineering Xiankai BAO1,a, Guoqiang LI2,b 1College of Architecture and Civil Engineering, Inner Mongolia University of Science and Technology, BaoTou,Inner Mongolia 014010 China 2China coal science and industry group Chongqing research institute,Chongqing 400039 China a E-mail:bxkzlm@163.com,b E-mail:lgqmky@163.com Key words: stability mechanism, underground engineering, rock structure, geologic structure, underground structure instability.
The achievements apply well in engineering practices and have good values and researches on surrounding rock stability have instructive significance in engineering execution.
Engineering Influence Engineering influences include as following: (1)Underground cavern position design, shape, size and separation distance are reasonable.
And engineering will be whole instable.
Rock Stability Analysis in Underground Engineering [M].

., 85, Deshengmenwai Street, Xicheng District, (100088) Beijing, China 3Wu Han University of Science and Technology, 947, Heping Street, Qingshan District, China azhx118153@163.com,bmengguangli@hotmail.com, c lvyuejing@126.com Key words: highway engineering; fine sand filling embankment; strength reduction; finite difference method; stability; numerical analysis Abstract: It is serious problem of the deficiency of high quality embankment filling in the expressway construction in shanghai, the Yangtze estuary fine sand has been extensive applied as the substitute filling material to avoid destroying the cultivated land and cropland.
For the natural sand is no-viscous bulk solid material with great variation on mechanical properties to traditional embankment filling, now there are some problems on the application of fine sand filling embankment engineering haven’t been analyzed such as the highway performance of fine sand filling embankment.
For the natural sand is no-viscous bulk solid material with great variation on mechanical properties to traditional embankment filling, now there are some problems on the application of fine sand filling embankment engineering haven’t been analyzed such as highway performance of fine sand filling embankment.
[2] Jiang Xin; Qiu Yanjun; Wei Yongxing, Engineering behavior of subgrade embankments on sloped weak ground based on strength reduction FEM, Chinese Jounal of Geotechnical Engineering, 2007(04), 622-627
Journal of Geotechnical Engineering, ASCE, 1996, 122(7):577~595

Design of Hydraulic Locking Mechanism Based on Material Friction Wendong Zhu, Xudong Pan, Ye Li, Weijie Huo School of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001, P.R.
China pxd@hit.edu.cn; Keywords: Metal materials, Friction, Hydraulic locking mechanism Abstract.
So the process is not suitable for all of the engineering applications.- In order to satisfy the general requirements of engineering design, this paper takes a widely used locking mechanism as an example to explain the process of analysis and calculation.
Mechanical science and technology for aerospace engineering.1994  [2] Fan Yanli Lu Yafei.
Lubrication Engineering.2008 [3] Lu Y.A combinatorial approach for automotive friction materials: effects of ingredients on friction performance.

Applications of titanium alloys in architecture and civil engineering Another promising, although, so far little receptive market for titanium products is the sector of civil engineering and architecture.
Tokuo et al., Application of titanium to construction, civil engineering and ocean development.
Adamus, Stamping of the Titanium Sheets, Key Eng.
Key Eng.
Adamus, Numerical simulation of welding thin titanium sheets, Key Eng.

The detection of avalanche propagation in engineering change Rong Mo1,a, Zhongwei Gong1,b, Haicheng Yang1,c, Xin Zhang1,d 1The key laboratory of Contemporary Design and integrated Manufacturing Technology, Northwestern Polytechnical Univ., Xi’an, 710072, China amorong@nwpu.edu.cn, bcimsgong@hotmail.com, cHaichengyang@vip.sina.com, dzhangx0325@hotmail.com Keywords: engineering change; change propagation; avalanche propagation; directed graph; complex networks Abstract: In order to avoid avalanche propagation in engineering change that is high-risk and high-cost, two methods for the detection of avalanche propagation were proposed.
Change management in concurrent engineering from a parameter perspective[J].
Change and customization in complex engineering domains[J].
Engineering change propagation based on design structure matrix [J].
Topology of large-scale engineering problem solving networks [J].Physical Review E, 2004, 69:1-17

Talk about Approaches of Specialized English Teaching in Technology Undergraduate University Wenhong Liu School of Electronic and Information Engineering, Shanghai Dianji University, Shanghai, 200240, China liuwenhong@sdju.edu.cn Key words: technology undergraduate, electronic and information engineering, specialized English, teaching reform Abstract.
The professional English is in electronic and information engineering department.
-X, Jia: Engineering Specialty Discussed Foreign Language Teaching.
Journal of Henan Engineering Institute (Natural Science Edition), (2009) [4] N.
Ren: Specialized English Course on the Major of Electronic and Information Engineering.