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The lithology of Doushantuo Formation is mainly shale interbedded with minor limestone and muddy limestone, which differs in different deposition environments and material source characteristics.
Acknowledgements This research was supported by the National Natural Science Founds (41272167) and China Huaneng Group science and technology project: Primary research on CO2 fracturing technology and shale gas laboratory construction (CERI/TW-13-HJK01).
Journal of Chengdu University of Technology(Science&Technology Edition), vol. 37(2010), p.481-489

Concurrent Tolerance Design System based on Manufacturing Context Yifeng Wang1,a , Heng Zhang2,b, Yanlong Cao2,c, Jiangxin Yang2,d 1School of Mechanical and Automotive Engineering, Zhejiang University of Science and Technology, Hangzhou,310023,China 2Institute of Modern Manufacturing Engineering, Zhejiang University, Hangzhou,310027,China a 163hzw@163.com,b herbert682@zju.edu.cn,c sdcaoyl@zju.edu.cn,d yangjx@zju.edu.cn Keywords: concurrent tolerance design; manufacturing resource, robust tolerance design, process capacity, dimensional chain, cost-tolerance function Abstract: This paper introduces a computer-aided concurrent tolerance design system based on real manufacturing resources (CATFM), which can ensure the optimal robust tolerance and consider real manufacturing resource owned by the factory.
Key design model of the system Owing to inconsistency in tool, work piece, material and process parameters, variability in product process is unavoidable.
Acknowledgements We would like to acknowledge the support of the National Natural Science Foundation of the People’s Republic of China (No. 50975257and No.50835008).
Mechanical Engineering Science. , 221,455-465(2007) 9 Huang, M.F. and Zhong, Y.R. , Int.
Technol., 35:723–735(2008) 10 Liu, Y.S. and Cao, Y.L., Journal of Computer-aided design & computer graphics.18(8),1179-1184(2006) 11 Ji,P and Xue,J.B.

Study of Temperature-Dependent Mechanisms and Characteristics of 4H-SiC Junction Barrier Schottky Rectifiers Yidan Tang1,2,a*, Xinyu Liu1, Yun Bai1, Shengxu Dong1, Shaodong Xu1 1High-Frequency High-Voltage Devices and Integrated Circuits R&D Center, Institute of Microelectronics of Chinese Academy of Sciences, Beijing, China 2University of Chinese Academy of Sciences, Beijing, China a*tangyidan@ime.ac.cn Keywords: on-resistance, leakage current, barrier height, tunneling, ideality factor.
Introduction SiC is an attractive semiconductor material for high power, high temperature, and high frequency device applications due to its exceptional properties [1].
[4] Baliga, B.J, Fundamentals of Power Semiconductor Devices (Springer Science + Business Media, LLC, 2008) p 168-197
Balaji, Journal of Alloys and Compounds 506 (2010) 615–619

Combustion kinetics characteristics of dry distillation coal tar LIU Bo1,a, SHI Zhang-ming1,a, HE Jin-qiao2,c, XU Hui-fang1,d 1School of Energy Science and Engineering,Central South University, China 2Institute of Energy & Power Engineering, Changsha University of Science & Technology, China acsliubo@126.com, bav666999@163.com, c8710054@163.com, d ltbird2002@126.com Key words: Coal tar; Combustion; Thermo-gravimetric Analysis; Kinetics Abstract: In order to improve burning-out characteristic of dry distillation coal tar, the sample of dry coal tar was investigated by thermo-gravimetric analyzer(TGA), and the sample’ properties of kinetics and burning-out were studied.
In the formula：- Ordinal of the experimental measurement, - thermodynamic Temperature，K, - combustible material share of already combustions，%, -is Chemical Reaction Rate.
Dong: Catalytic Steam Reforming of Xylene in Biomass Gasification by Palygorskite: Journal of the Chinese ceramic society VOL. 39 (2011), p. 1135
Qizhen: Thermal Analysis Kinetics( Science Press, China, 2008).

Study on Co-combustion of Oil Shale Semi-coke and Corn Stalk Hongpeng Liu1, 2, a, Weiyi Li3, b, Xudong Wang2, c, Hao Xu4, d, Guanyi Chen1, e and Qing Wang2, f 1School of Environmental Science and Technology, Tianjin University, Tianjin 300072, China 2School of Energy and Power Engineering, Northeast Dianli University, Jilin 132012, China 3 School of Mechanical Engineering, Tianjin University, Tianjin 300072, China 4Beijing Shougang International Engineering Technology Co., Ltd., Beijing 100043, China ahongpeng5460@126.com, bliwy@tju.edu.cn, cwangxd4969@gmail.com, dxh0716@126.com, echen@tju.edu.cn, frlx888@126.com Keywords: Oil shale semi-coke, Corn stalk, Combustion characteristic, Thermogravimetry, Isoconversional method, Kinetics.
Experimental Equipment and Experimental Method Experimental Material.
Acknowledgements The authors are grateful for financial support from the nation innovative projects with cooperation in terms of production, study and research (the exploration and utilization of oil shale) and science and technology project of the education department eleventh-five year research program of Jilin province (2009106).
Journal of Engineering for Thermal Energy and Power.
Zhao, et al: Thermal analysis kinetics, edtied by Beijing: Science Press Publising, (2007), in press (in Chinese)

As the e-learning area matures, there are a growing number of e-learning content providers that produce and distribute material that covers a large range of topics, differs in quality and is represented in various formats.
Acknowledgements This work is supported by the Crucial Special Project: National Water Pollution Control and Management Science (Grant no.2009ZX07528-004), the twelfth Five-Year Guideline on Education Science of Liaoning Province (Grant No.JG11DB267) and Science & Technology Department of Liaoning Province (Grant No.LiaoKeHan [2010] 36).
References [1] Chunfu WU:Computer Engineering and Design Vol. 27 (2006) No.22, p. 4288 [2] W3C “SOAP version 1.2” on http://www.w3.org/TR/soap/ [3] Qunying Cai, Zhenjian Huang: Computer Engineering and Design Vol. 28(2007) No.15, p. 3720 [4] ADL Co-Laboratories.Sharable content object reference model (SCORM) version 2004[EB/OL] on http://www.scorm.ro/en/ca tegory/ docs/scorm [5] Yu Geng: Journal of Wuhan University of Technology Vol. 29(2007) No.7, p. 879 [6] R.S.

Analysis of edge cracks in hot rolled aluminium alloy sheets contained of magnesium for can usage Ruiyin Huang 1，2，a, Y.Y Guo3,b, Yuanzhi Zhu3,c, Wang Liu2,d 1School of Material Science and Engineering, Centeral South university,Changsha,china; 2Chalco Ruimin co.
,Ltd, Fuzhou 350015,china; 3Wuhan university of science and technology, wuhan, china ,430081 ahuangruiyin868@163.com bperfectgyy@gmail.com, ctozyz1@163.com，dliuw@ruimin.com Key words:5182; aluminium alloy with high magnesium content;edge crack;Sodium embrittlement Abstract. the edge crack frequently occurs in hot rolled 5182 alloy.
Acknowledgement This work is supported by The National Natural Science Foundation of China (No. 51074117), the Foundation for Distinguished Young Scientists of Hubei Province of China (No. 2009CDA044).
Reference： [1] Ren-guo Song，Mei-guang Zheng.Effect of Mg segregation on grain boundary binding force and fracture stress in high-strength aluminium alloy[J].Journal of Northeastern University,1994(2):5-9

This work was financially supported by the University Science and Technology Project of Shandong Province (J11LD26) and Natural Science Foundation of Shandong Province.
Li: Automobile Technology & Material Vol.7(2002), p.27 (In Chinese) [4] J.
Karnik: Journal of Computer and Information Science in Engineering Vol.3(2003), p.109 [9] N.

When the processing material is HT200, and=0.15, =9401.92N, and=7991.632N.
Acknowledgment Hongmei Sun and Yanzhong Wang gratefully acknowledge the financial suppout of The major science and technology project of high-end CNC machine tools and basic manufacturing equipment( 2009ZX04001-012).
Jilin University of Technology(science edition): 2001, 31: 95
Shanghai: Shanghai Science and Technology Literature Press, 1990
International Journal of Machine Tools Manufacture, 1998(38): 1017-1030 [7] MILLIAM KAYS/MICHAEL CRAWFORD/BERNHARD WEIGAND( editor), Zhao Zhennan (translator), Convective Heat and Mass Transfer (Fours Edition).2007:391 [8] The bearing parameters Provided by Fischer Aktien-Gesellschaft Ltd.

Aeroacoustic Characteristics of Cavity and Effect Study of Mesh on Noise Suppression Jing Sun1,a, Guang-jun Yang2,b, Jianjun Liu1,c 1National Key Laboratory of Science and Technology on Aerodynamic Design and Research, College of Aeronautics, Northwestern Polytechnical University, Xi’an 710072, China 2National Key Laboratory of Science and Technology on UAV, Xi’an 710065, China asunjinglemon@nwpu.edu.cn, byanggj_1031@nwpu.edu.cn, cliujianjun0421@126.com Keywords: Cavity, Wind tunnel experiments, Mesh, Noise spectrum, Pressure distribution Abstract.
The cavity is made of a resin material processed separately and can be fixed at both ends on surpporting model.
Foundation item: Aeronautical Science Foundation of China (2010ZA53011) References [1] J.
Journal of Fluids and Structures, 18(6): 715–728, 2003 [3] Michael J.