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Damage can also be caused accidentally by heavy machinery used to place protective bedding material on the liner.
When no leaks are present, the voltage potential distribution will be relatively uniform in the material above the liner because of the high electrical resistivity of the liner material.
Journal of Hazardous Materials, vol.21 (1989), p.177
Research of Environmental Sciences, vol. 21 (2008), p.43 (in Chinese)
Research of Environmental Sciences, vol. 21 (2008), p.35 (in Chinese)

Study on Optimization of Machining Parameters in Electrochemical Machining Lei Wang1,a and Jiangning Gai1,b 1 College of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao, 266061, China akdjd073@163.com, b24395915@163.com Keywords: ECM, machining parameter, the neural network, machining accuracy Abstract.
Respectively the neurons of the input layer are the voltage U, the pressure difference △p, the cathode’s feeding velocity vf, the workpiece’s material, the temperature T and concentration of the electrolyte.
The material of three-dimentional curved surface is 2Cr13 steel and the electrolyte composition is NaNO3 with concentration of 10%.
Kozak: Journal of Materials Processing Technology, Vol.107(1-3)(2000), p.300
Zhang: Computational Materials Science, Vol.43 (2008), p.752

Application and development of domestic and foreign virtual manufacturing technology Zhang Wen Yu (Luoyang Ship Material Research Institute, china, E-mail:ZWY68218@163.com.)
[3] Huangwei, Tao Yiyi, discusses our country to develop the hypothesized technique of manufacture strategy, the Suzhou Occupational university journal, 2005, V01.16 No.3,61~63
[4] Sunyu,our country hypothesized technique of manufacture development strategy brief analysis, Changchun Normal school journal, 2005, V01.24, No.1,87~89
[8]Xijunjie, Hypothesized technique of manufacture application and development research, Zhengzhou Aviation industry Management Institute journal, 2001, Vol.19, No.3,71~74
[9]Shifeng, Hypothesized technique of manufacture applied analysis, Zhejiang industry and commerce professional technology institute journal, 2005, Vo1.4 No.4,43~45

Materials and methods Coal sample selection and analyses.
References [1] Zeng Fangui, Xie Kechang: Journal of China Coal Society, Vol. 29 (2004) p. 443-447,in Chinese
Journal of China Coal Society, Vol.1 (2005) p.85-89 ,in Chinese
Journal of North University of China (Natural Science Edition), Vol. 1 (2008) p. 53-56,in Chinese
Journal of China Coal Society, Vol. 3 (2011) p. 481-486,in Chinese.

JX Social Sciences, 2006, (1):33-37
Journal of Southeast University(Philosophy and Social Science),2007, (S2)
Science & Technology Information,2009,(22)
Industrialized Development and Commercial Management of Non-material Cultural Heritage [J] Henan Social Sciences,2009, (04)
Beijing: Science Press, 2010:124.

The blank material is DC06, thickness is 0.8 mm.
The die casting material is HT300.
This work was supported by the Tianjin Colleges and Universities Science Development Foundation Tianjin, China, and Tianjin Colleges and Universities Double Five Science Research Plan Foundation Tianjin, China, under Grant 20060803, and SWPY20080003 respectively.
References [1] M.Firat: Materials and Design, Apr 2007, Vol. 28(4), P1311-1320 [2] Y.
Park: AIP Conference Proceedings, 2005, Vol. 778(1), P90-95 [3] Del Pozo D, de Lacalle LNL, Lopez JM: International Journal of Advanced Manufacturing Technology, Jun 1, 2008, Vol. 37, P649-656 [4] Zhang Gui-bao, Chen Jun, Wang Amber: Journal of Shanghai Jiaotong University,2008,13(6), P727-733

The model and prototype span decide reduced scale; According to the principle of geometric similarity ,reduce scale of the beam’s section size ; Model’s reinforcement ratio, stirrup ratio are consistent with the prototype ; Model’s reinforced level, concrete intensity is consistent with the prototype; Model’sratio of concrete is in accordance with the ratio of engineering materials.
Acknowledgment We are aided financially by the Beijing municipal engineering special funding structure and new materials engineering research center and the key project of Beijing natural science foundation ,the urban underground traffic space security disaster prevention technology research (8121001) References [1] Deng Jingjing,Liu Dongdong: Fire Resistance Experimental Research on Simply-Supported Recycled Concrete Beam ( Beijing Institute of Civil Engineering and Architecture) (2010)
[3] Liu Dongdong,Jia Chen: Reinforced concrete beam after high temperature mechanical property test of the learning experience (Journal of Southeast University) (2010)
[4] Zhang Tian :Test Study on the Performance of the Splicing Steel Bars with Non-contanct Forms ((Journal of Southeast University) (2008)
[6] Zhang Gang : Too much concrete bridge and the evaluation method of durability damage assessment model(Highway traffic science and technology,2010) .

The past investigations [1,2] have showed that it was very suitable to serve as materials for pulp and paper making.
Experimental Materials.
Acknowledgements The authors here extend their thankfulness to the National Natural Science Foundation of China (Grant No. 30700633), the Science-Technology Foundation for Middle-aged and Young Scientist of Shandong Province, China (Grant No. 2007BS08011), Research Foundation for Retured Scholars of Jinan, Shandong (Grant No.20090407) and the State Key Laboratory of Pulp & Paper Engineering, South China University of Technology , China (Grant No, 200610) for their financial supports to this project.
-C., Noll S, et al.: Journal of the Electrochemical Society Vol. 150 (2003), p.
E595 [7] Dominic R., Robert B., Donal L. et al.: Journal of the Electrochemical Society Vol. 149 (2002), p.

Research of Aluminum Reduction Cell Thermal Balanced Intelligent Control System Xiangyang Xia1,a, Jie Li1,b 1 School of Metallurgical Science and Engineering, Central South University, Changsha, Hunan, 410083, China axia_xy@126.com, bsummer719@sohu.com Keywords: aluminum reduction, control system, liquidus temperature, superheat, energy saving.
The technology established the concentration of alumina through adaptive control systems by modeling the estimated model, used less volume - way too much to turn the system under the material (aluminum tank) which have a "motivation" and other parameters with recursive least squares estimation method to estimate the alumina concentration can reflect the status of model parameters.
Material balance control of alumina concentration can be resolved, the energy balance control is not well controlled, energy balance is to control temperature in aluminum electrolyte at the appropriate temperature range [7].
References [1]JAMES W E:JOM,Vol.59(2007),P.30 [2]JAMES W E, HALVOR K:JOM,Vol.60(2008),P.25 [3]CILIANU M,PANAIT N:UPB Scientific Bulletin :Chemistry and Materials Science,Vol.65(2003),P.63 [4] Hu ZHAO, Yu LIU, Xiuming YAO, etc.
:Journal of Chinese Inertial Technology, Vol.17 (2009) ,P.117,In Chinese [5]Jilei GAO, Xianjin HUANG, Fei LIN, etc.: Transaction of China Electrotechnical Society, Vol.25 (2010), P.47,In Chinese [6]STERTEN A,SOLLI P A:Journal of Applied Electrochemisty,Vol.25(1995),P.810 [7] BRILLOIT P,LOSSIUS L P,OYE H A:Publ transp Int,Vol.42(1994),P.1238

Acknowledgements This work was financially supported by Knowledge Innovation Program of the Chinese Academy of Science (Grant No.
Gardeniers et al.: Journal of the Electrochemical Society Vol. 143 (1996), p. 1744
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