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Introduction In recent years, along with the rising price of energy resources and the deteriorating environment, government, research units and commercial institutions have spared no effort to invest a large amount of manpower, material and financial resources to research environmentally-friendly energy.
After completing Li-ion battery manufacturing, it can only be normally used through activating the anode and cathode material by the charging and discharging process.
Acknowledgement This work is supported by the Science-Technology Supporting Scheme of Jiangsu Province, Project No.
Corresponding Author Name: Liang Han E-mail: melhan@seu.edu.cn Tel: +86 - 25 - 52090502 ext. 8436 Reference [1] QuWeiping, Lithium battery development overview [J], Urban Vehicles, 2009, 5:51 [2] Zhou Henghui, CiYunhang, Liu Changyan,Research of electrode material of lithium battery [J], Progress In Chemistry, 1998, 14(1):85-94 [3] Huang Kun, Research of Lithium Ion Secondary Battery Technology [J], Battery Bimonthly, 2000, 30(5):217 [4] Jin Minggang, Development of Solid State Li-ion Battery Industry in China [J], Chinese Battery Industry, 2000, 5(2):88 [5] Zhou Jianjun, Li Lin etc., Lithium ion battery diaphragm of present situation and the development tendency [J], Advanced Materials Industry, 2008, 4:33 [6] Wu Yuping, Zhang Hanping, Wu Feng etc., Polymer lithium ion battery [M], Beijing: Chemical Industry Press, 2007.306 [7] Zhang Yong, Yan Shaowei etc., Design Of intellective test and dissolving system about rechargeable lithium battery [J].
Chinese Journal of Scientific Instrument, 2006, 27(6), 357-358 [8] Lu Guimei, XieQiu etc., Lithium ion battery into technology research [J], Chemical Engineering & Equipment, 2011, (9): 46-47 [9] Peled E.

Modeling of Tool for Cold Extrusion of Steel and Tooling with Proportional Bandaging Alla Gerasimovaa*, Sergey Gorbatyukb, Dmitry Efremovc National University of Science and Technology "MISIS", Moscow, Russia aallochka@rambler.ru, bsgor02@mail.ru,cdefremov@list.ru Keywords: cold stamping, modeling, variable stress, rim, tooling, matrix, pressure.
Metal molding without destroying its integrity allows increasing the utilization rate of the material up to 95% even for parts of complex configuration.
In the process of metalworking, the material is hardened and its plasticity decreases.
Bibikov, Assessing Parameters of the Accelerator Disk of a Centrifugal Mill Taking into Account Features of Particle Motion on the Disk Surface, Journal of Friction and Wear, 39 (4) (2018) 326-329
Chichenev, Designing lines for the production of composite materials based on the object-oriented approach, Heavy Engineering, 6 (1999) 16-20

It is mainly consisted of four column press, lower pressure head group (driven by a stepping motor and reducer), upper pressure head group (driven by parallel hydraulic cylinder), push-pull die mechanism, in-out material mechanism, look-out material mechanism, three-dimensional laser measurement device, automatic adjustment system, hydraulic system, control and computing system.
Finite Element Numerical Simulation Sheet metal forming is a nonlinear and variable dynamic contact problems and numerous factors is taken in such as material properties and dimensions, friction, shape and cold pressing path.
The material parameters are decided according to test and calculation showed in table 1.
Table 1 Sheet material parameters modulus of elasticity E0/MPa tangent modulus Et/MPa yield stress σy/MPa Poisson's ratio μ Density ρ/kg·m-3 2.06×105 2.0×104 355 0.3 7.85×103 Prediction model based on  neural network  BP neural network model about spingback is realized in Matlab neural network toolbox which includes the following main points[5]. 1) The design network topological structure.
Journal of Wuhan University of Technology (Transportation Science & Engineering) ,2010.34(3):431-434 [3]Li Shuang-yin.Study of springback for ship hull plate in cold forming[D].

They also use three-dimensional microstructure based model to simulate the overall elastic-plastic response and local damage mechanisms in composite materials[8].
In reality, the microstructure based model can accurately represent the aspect ratio, distribution and shape of the particle, and can thus be used to predict the mechanical properties of particle-reinforced composite materials accurately.
Material description and date processing.
Acknowledgements This work is supported by the Planned Science and Technology Project of Hunan Province (2010FJ3140), the Program for New Century Excellent Talents in University (NCET-10-0842) and Fundamental Research Funds for the Central Universities (2011JQ021).
Li, Microstructure-based simulation of plastic deformation behavior of SiC particle reinforced Al matrix composites, Chinese Journal of Aeronautics 22 (2009) 663-669

Mehregany Department of Electrical Engineering and Computer Science Case Western Reserve University, Cleveland, Ohio 44106, USA Keywords: LPCVD, Poly-SiC, Young's modulus, Residual stress, Bulge test Abstract: Polycrystalline silicon carbide (poly-SiC) thin films were grown in a large-volume, lowpressure chemical vapor deposition (LPCVD) furnace using dichlorosilane (SiH2Cl2) and acetylene (C2H2) precursors.
Introduction SiC is an exceptionally attractive material for microelectromechanical systems (MEMS) due to its outstanding mechanical, chemical and electrical properties.
Currently, polysilicon is the dominant material in MEMS owing to high throughput deposition processes that yield films with favorable electrical and mechanical properties, thus setting the standard for materials such as SiC.
Poly-SiC films deposited simultaneously on both sides of the wafer 2 Title of Publication (to be inserted by the publisher) needed no additional etch mask material since the backside poly-SiC film could be patterned by RIE into etch masks.
The number of 0 500 1000 1500 30 40 50 60 70 80 2θθθθ (degree) Intensity (cps) SiC (111) Si(400) Si(400) Journal Title and Volume Number (to be inserted by the publisher) 3 interference fringes depends on the diaphragm deflection, which depends on the applied pressure.

Experimental Materials and Methods Two groups of magnesium alloys with various Al and Zn contents are studied in this paper.
Ma-terials Science & Technology, 1994, (9), p.763-769
Materials for Mechanical Engineering, 2004,28(5), p. 2
Materials science & Technology, 2006, 14(6), p.568-571
Journal of Materials and Metallurgy, 2002, 1(3), p.119-221.

Expression and Functional Analysis of BjMT-2, a Metallothionein Type-2 from Brassica juncea, in E. coli SONG Yuzhen1， LI Pingping2, DU Yejie3 1 Northeast Forestry University Forestry College, Harbin 150040, China 2 Alkalisoil environmental science center, Hexing Road 26, Harbin 150040, China 3 Heidelberg university HIP, D-69120-Heidelberg, Germany Songyuzhen007@163.com Keywords: BjMT-2; Copper; Cadmium; Escherichia coli; Expression; TrxA::BjMT-2 Abstract.
Materials and Methods Cloning of BjMT-2 for expression in E. coli.
Journal of Experimental Botany. 55: 2483–2493
Journal of Experimental Botany.57:3575-3582

This theory states that yield will occur when, (6) or, if the material is in compression, when, (7) where, = yield stress in tension, obtained in the simple uni-axial tensile test = yield stress in compression, obtained in the simple uni-axial compression test Maxium Shear Stress Theroy(Tresca).
The equivalent von Mises stress becomes (11) Based on the von Mises theory, the condition for yielding is when the equivalent von Mises stress equals the yield strength of the material.
Acknowledgment The authors would like to express the gratitude to Chinese National Science and Technology of major projects (No.2009ZX04014-051) for providing financial support. 
Tsai, “Analysis and prediction of cutting forces in end milling by means of a geometrical model,” International Journal of Advance Manufact.
Zhang, “Corner-milling of thin walled cavities on aeronautical components,” Chinese Journal of Aeronautics, vol. 22, 2009, pp. 677-684

A method for determining second lining supporting opportunity in soft rock tunnel Zhongwen Wang1,2, Jianqin Fang2,3, Caichu Xia3,4, Yuewei Bian3,4, Kun He3,4 (1.HuaZhong University of Science and Technology, Wuhan, 430074, china; 2.
Numerical calculations Theoretical principle Rock mass is a dielectric material containing a lot of joints, cracks and other weak structural plane and is affected by the ground stress, so it possesses non-homogeneous, anisotropic characteristics and belongs to non-continuous media.
Mechanical parameters of surrounding rock, supporting structure parameters and the design outline are shown separately in table 1~3, among which all of the lining material is C20 concrete, the design outline of all levels are expressed in table Table 2 Rock Parameters Surrounding Rock Grade E/GPa /kN.m-3 c/kPa /(º) Ⅴ 0.1 0.4 19.8 28 25.6 Ⅳ 5.4 0.34 22.64 640 37.5 Table 3 Supporting parameters Surrounding Rock Grade Structure types Modulus of elasticity Gravity area of section moment of inertia E/GPa /kN.m-3 A/m2 I/m4 ⅤSurrounding rock Bolt 210 78 0.00038 － Initial Lining 25 23 0.21 － Second Lining 28.5 25 0.45 0.0076 Invert 28.5 25 0.7 0.02858 Ⅳ Surrounding rock Bolt 210 78 0.00038 － Initial Lining 25 23 0.21 － Second 28.5 25 0.4 0.00533 Invert 28.5 25 0.4 0.00533 Table 4.
Journal of Hydraulic Engineering, 2007,38(6):704-709.
Journal of Xi an University of Technology,2007,23(2):140-143.

Review of Agent Construction Management for Government Investment Projects Honglei Yi1,a, Yousong Wang2,b and Yongshi Pang3,c 1 Department of Civil Engineering, South China University of Technology, Guangzhou, 510640, China 2 State Key Laboratory of Subtropical Architecture Science, South China University of Technology, Guangzhou, 510640, China 3 Business School, Guangzhou University, Guangzhou, 510006, China ayihonglei1986@163.com, byswang@scut.edu.cn, cpangyongshi@163.com Keywords: Government Investment Projects, Agent Construction Management, non-profit-making, Mode of Project Management Abstract: Current situation and tendency of Agent Construction Management for Government Investment Projects (ACMGIP) are summarized in order to lay a sound foundation for normalizing the ACMGIP in China.
In this project management system, "investment, construction, management, usage" were four in one, throughout the entire project implementation process and a lack of process control, resulting in a serious waste of human source, finance, material and information and was easy to breed corruption.
Otherwise, except of the construction and material procurement, the construction unit can provide services within the allowable range, such as engineering survey, design, construction, supervision, consultation and tender agent, to reduce the intermediate links in the project construction and realize the full service.
Learned Journal of Changan University, Vol. 16, 76, Jan. 2005 [in Chinese]
Journal of Engineering, Vol. 212, 45, Nov. 2006 [in Chinese]