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Physical equation: 2 2 ( ) 1 ( ) 1 2(1 ) x x y y y x xy xy E E E σ ε µε µ σ ε µε µ τ γ µ = + − = + − = + (4) Where E is modulus of elasticity; µis materials Poisson ratio; xσ is the stress of x direction; yσ is the stress of y direction; xyτ is the shearing stress of xy surface.
Finite Element Analysis on Structure, Science Press, Beijing (2001)
Journal of China university of Mining & Technology, 4(2008), p. 584-587 [7] Wu C, Wen Z F, Jin X S. et al.

Through the EAN UCC system can vegetable supply chain whole process of each node effective identification, establishment of all aspects of information management, transmission and exchange programs, thereby vegetable supply chain of raw materials, processing, packaging, storage, transportation, sales and other links for tracking and tracing, the timely detection of problems, properly.
Determination of Forage Quality by Near Infrared Reflectance Spectroscopy Eifcaly of Broad-based Calibration Equations[J],Journal Dairy Science,1987,70(4) :806,81l [2] Theo PavlidiS, Jerome, Ynjiun P.

Sissoko : "Electrical parameters for bifacial silicon solar cell study in modelling: capacitance and space charge region width determination"; Journal des Sciences Pour l'Ingénieur, N°5, January 2005, pp. 34-39.
Solar Energy Materials & Solar Cells (1994) p317-29

Due to primitive forest, fertile farmland, boundless grassland and rich mineral resources, Inner Mongolia is the strategic production base of energy and raw materials and the significant ecological shelter for northern China.
Ru: Journal of Environmental Management Vol. 88 (2008), p. 615 [2] Environmental Impact Assessment Management Division of State Environmental Protection Administration of China: Comments on Strategic Environmental Assessment Cases (China Environmental Science Press, Beijing 2006).

On the Construction of E-Commerce Websites in Universities Haili Zhao 1, a Yan Li2,b Jungang Zhou2,c 1 College of geography and environment science, Northwest Normal University, China Gansu Lanzhou 2 Institute of Economics Harbin University of Commerce Harbin, China Heilongjiang Harbin a zhl.grase@163.com, b shidaliyan@163.com, cHero1068@126.com Keywords: E-commerce; market analysis; Website; network consumption Abstract.
On the other side of the picture, due to the less matching information, it’s hard for fresh students to find appropriate books they need.Besides second hand teaching materials and books, there are other items and objects, such as, exercisers, MP3, tapes and old magazines, facing the same awkward situation.
[2] Kaynama，Shohreh A and Christine,Blacks．A Proposal to Assess the Service Quality of Online Travel Agencies:An Exploratory Study．Journal of Professional Service Marketing.2000, pp.56-59 [3] Nicosia, F.

Optimizing the Conditions for Polysaccharides Ultrasonic-assisted Extraction in Mycelium of Paecilomyces tenuipes Pt196 Using Statistical Approach Linna Du1,a, Wenting Bu1, Wenlin Pan1, Chen Shao1, Jiahui Lu1, Qingfan Meng1, Lirong Teng*, Lirong Teng2,b 1College of life science, Jilin University, Changchun, 130012, China 2Zhuhai College, Jilin University, Zhuhai, 519041, China adulinna0918@163.com, btenglr@jlu.edu.cn Keywords: polysaccharides; Paecilomyces tenuipes; response surface methodology; artificial neural network; genetic algorithm Abstract.
Materials and Methods A.
Yun, “Production of exopolysaccharides by submerged culture of an enthomopathogenic fungus, Paecilomyces tenuipes C240 in stirred-tank and airlift reactors,” Journal of Bioresource Technol., vol. 97, pp. 770-777, 2006

There is no doubt that material professionals are very interested in the formation mechanics of the pre-precipitation phase [4-6].
Because of the important of pre-precipitation phase on affecting the final properties, many material researchers have been doing a lot of related researches using various methods [11-13].
Science, 1999; 283(5401): 529 [4] Bertrand V D M Reynard B, McMillan F P, Wilson M, Beck P, Gillet P, Jahn S.
Journal of Engineering Physics and Thermophysics, 2008; 81(4):826 [7] Ringer S P, Hono K.

l The magnitude of frictional factor-µ of friction plate relies on the factors of friction facing such as material, temperature, cooling oil, rub speech and so on.
Acknowledgements The authors would like to acknowledge the contributions of everyone in the Green Design & Manufacturing Laboratory of Hefei University of Technology and the financial support of the program of the National Natural Science Fund of China: Innovative Design Theory and Methods for Mechatronic Products Based on Design Union for Energy-optimizing (50775061).
Life cycle energy analysis as a method for material selection [J].Journal of Mechanical Design. 2004, 126(5)：798-804

Computing Acceleration of FMM Algorithm on the Basis of FPGA and GPU Yahui Chai1,2,a, Wenfeng Shen1,b , Weimin Xu1,c and Yanheng Zheng1 1 School of Computer Engineering and Science, Shanghai University, Shanghai, China 2 School of Information Engineering, East China Jiaotong University, Nanchang, Jiangxi, China ashiba@shu.edu.cn, bwfshen@shu.edu.cn, cwmxu@staff.shu.edu.cn Keywords: FMM, Computing Acceleration, FPGA, GPU Abstract.
Zheng: Key Engineering Materials.
Obi: International Journal of Theoretical and Computational Fluid Dynamics.

The more research work and industrial application cases of the oil-air lubrication can be indexed in the references [4-5], but scarce materials about the study from the theory to the applications on the entire oil-air lubrication system, especially about the critical components of the system, such as the oil-distributor and oil-air mixer, can be found.
Journal of Harbin Bearing, 2009, (3): 54-56, in Chinese
[4] Fahong Li, Laigang Science & Technology, 2010, (2):41-44, in Chinese