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Journal Citation (to be inserted by the publisher ) Copyright by Trans Tech Publications Bone-Cements Based on Tricalcium Silicate Ren-Jei Chung 1, Tsung-Shune Chin 2, Ching-Wen Huang 3, Pu-Chi Lin 4, Tuan-Jung Hsu 5 and Fong-In Chou 6 1-5 Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu 30043, Taiwan, Republic of China. 2Affiliated also with National Lien-Ho Institute of Technology, Miaoli, 36000, Taiwan, Republic of China 1 d907501@oz.nthu.edu.tw, 2g903533@oz.nthu.edu.tw, 3u870544@oz.nthu.edu.tw, 4 u870508@oz.nthu.edu.tw, 5tschin@mse.nthu.edu.tw 6 Nuclear Science and Technology Development Center, National Tsing Hua University, Hsinchu 30043, Taiwan, Republic of China.
The phase purity of developed materials was analyzed by XRD.
MATERIALS AND METHODS: Material preparation and analyses The precursory powders were mixed [(CaCO3 ,ZnO) SiO2=3:1] by ball milling.

School of Materials Science and Engineering, Shandong University, Jinan 250061, China 2.
Introduction A microscopic phase-field kinetics model was developed as a new method of material simulation in the 1990[1-3].
Raable, Computational materials science[M].
New York: Wiley, (1983) [6] Z.H Liu, H Liu, X.X Zhang, et al:  Physics Letters A, Vol.329(2004), p.214 [7] Yan-li Lu, Zheng Chen, Yong-sheng Li: Raremetal Materials and Engineering, Vol.35(2006), p.1686 [8] Yu-hong Zhao, Yue Zhang, Zheng Chen:Journal of Beijing university of aeronautics and astronautics, Vol.33(2007), p.978 [9] Jiri Cermak, Ales Gazda, Vera Rothova: Intermetallics, Vol.11(2003),p.939 [10] A.O.

Viscosity of Sn-Cu Solders Investigated by Molecular Dynamics Ruifang Ding1,2,a, Xuemin Pan1,2,b, Guangling Wei1,2 1Key Lab. of Materials Modification, Ministry of Education, Dalian University of Technology, Dalian 116024,People’s Republic of China. 2School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024,People’s Republic of China.
Introduction In the process of electronic packaging, viscosity is one of the key material properties affecting underfill flow, gap filling, and solderability[1-3].Some experimental studies have been carried out on the viscosity of Sn-Cu lead-free solders by N Zhao[4].
Acknowledgements This research is supported by the National Science Foundation of China (No. 50704009 and 50601013).
Wang: Journal of Electronic Materials Vol. 38 (2009), p. 829 [5] M.I Baskes: Phys.

Materials and specimens The reinforcement was Polyamide-6 supplied by YueYang Juli Engineering Plastic Co.
This indicates, that back-transfer of worn-off material to the composite surface is occurring.
Xue, Effect of various kind of fillers on the tribological behavior of polytetrafluoroethylene composites under dry and oil-lubricated conditions, Journal of Applied Polymer Science 80 (2001) 1891–1897
Liu, Study on the friction and wear properties of glass fabric composites filled with nano and micro-particles under different conditions, Materials Science and Engineering A 392 (2005) 359–365
[6] Lijian, Flexural properties of blends of polyamide 6 with PTFE, materials technology,2009, 24(4) 4: 236-239  2009531WW [7] Chou CT, Gaur U, Miller B.

Manganese dioxide (MnO2) is one of the most attractive materials due to its ion exchange, molecular adsorption, catalytic, electrochemical and magnetic properties.
Acknowledgement We would like to thank the Research University Grant 00H86 under the Ministry of Higher Education (MOHE), Ministry of Science, Technology and Innovation of Malaysia (MOSTI), and University of Technology Malaysia for the financial support.
Foland: Chemistry of Materials (1997) 9(11), p. 2526-2532
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Thackeray: Materials Research Bulletin (1983) 18(4), p. 461-472

Materials and Methods Microbes in tests and batch tests The hydrogen production bacteria Biohydrogenbacterium R3 sp.nov. was isolated from a continuous flow, high-rate acidogenic reactor with ethanol-type fermentation [4].
Supported: National 863 Program (2006AA05Z109) and Northeast Forestry University(GRAM09) Reference [1] Debabrata Das, Advances in biohydrogen production processes: An approach towards commercialization, International Journal of Hydrogen Energy, 2009 (34):7349~7357
[2] Recent advances in fermentative biohydrogen production，Xuemei Liu, Nanqi Ren, Funan Song, Chuanping Yang, Aijie Wang, Progress in Natural Science, 2008 (18):253~258
[5] LIN Ming, REN Nan-qi, MA Xi-ping, WANG Ai-jie, MA Fang, WANG Xiang-jing, Selection and improvement of culture for hydrogen producing bacteria, Journal of Harbin Institute of Technology, 2003,35(4): 398~402
[6] State Environmental Protection Administration (SEPA), Water and Wastewater Monitoring Analysis Method(Ⅳ)(M) China Environment Science Press 2006,11: 102~210.

However, the research materials about field tests of diameter-expanding pile were quiet deficient [4,5].
References [1] Qijian Liu, Minghua Zhao, Yu Li and Jianhua Liu: Journal of Hunan University (Natural Sciences) Vol. 31 (2004), p. 51 (In Chinese) [2] Chengyuan Lu, Zhijun Wang, Fanli Meng: Chinese Journal of Rock Mechanics and Engineering Vol. 26 (2007), p.3141 (In Chinese) [3] Junlong Liu: Geotechnical Investigation & Surveying Vol. 29 (2001), p.14 (In Chinese) [4] Sihua Chen, Guolin Yang, Jianqing Jiang: Western China Communications Science & Technology Vol. 5 (2009), p.89 (In Chinese) [5] Sihua Chen, Guolin Yang, Jianqing Jiang: Industrial Construction Vol. 39 (2009), p.804 (In Chinese) [6] Hongbo Yang, Xu Zhang: Architecture Technology Vol. 34 (2003), p.41 (In Chinese) [7] Haijian Li: Guangdong Architecture Civil Engineering Vol. 31 (2003), p.63 (In Chinese) [8] Yueping Zhao, Jun Wang, Wei Wang: Subgrade Engineering Vol. 25 (2007), p.26 (In Chinese)

It was supposed that all the materials of the bridge were in elastic state, and the action of the second stage deadload could be considerd as the reformed mass during the dynamic analysis process.
Zhang : Journal of HeNan Polytechnic University (Natual Science) .Vol. 28 (2009), p.175-179. in Chinese
Gai, W.Z.Wang: Journal of Northeast University.Vol. 34 (2006), p.113-114. in Chinese
Science Press. p.1170-1175.

Acknowledgement This work was supported by the National Soft Science Research Project (2007GXS3D105) and Zhejiang Soft Science Research Project (2009C35001), and is also sponsored by K.
Zhang: Journal of Materials Processing Technology, Vol. 139 (2003) No. 8, pp. 613-618
Prasad: Journal of Manufacturing Systems, Vol. 17 (1998) No. 3, pp. 221-234

Hydrocyclone Numerical Simulation and Separation Efficiency Optimization Xianming Sun1,a, Lei Wei2,b 1School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430073, Hubei, China 2School of Mechanical and Electrical Engineering, Lanzhou University of Technology, Lanzhou 730050, Gansu, China awuhansunshine@163.com, b715480807@qq.com Key words: Hydrocyclone; orthogonal test; numerical simulation; separation efficiency Abstract: For the hydrocyclone’ separation efficiency affects by many factors, this paper combined Reynolds stress model and SIMPLEC algorithm of Fluent software with orthogonal test to simulate hydrocyclone’s operating process and analysis the flow field.
Thickness value is 12mm Fig. 3 The turbulent kinetic energy contour of different wall thickness values Acknowledgements The authors would like to acknowledge the financial support for this research provided by Educational Commission Science and Technology Research Project of Hubei Province of China (D20121506).
References [1] L Y Chu and W M Chen: Swirling flow separation theory (Metallurgical Industry Press, Beijing, 2002) (in Chinese) [2] H G Hou and Y M Wang: Orthogonal test method (Jilin People’s Publishing House, Jilin, 1985) B A Wills: Factors affecting hydrocyclones’ performance, Mining Magazine, No.2 (1980), p.142-146 [3] F Li, C Y Liu, M H Jiang, Z C Wang and H F Lian: Archimedes spiral inlet design of hydrocyclone, Chemical Mechinary, Vol.31 No.3 (2004), p.139-141 (in Chinese) [4] X Y Liu, J Y Luo and C C Gao: 3D numerical simulation of water and sediment two-phase flow in hydrocyclone, JOURNAL OF HYDROELECTRIC ENGINEERING, Vol.29 No.4 (2010), p. 224-229 (in Chinese) [5] Z B Wang, W M CHEN, L Y Chu, S G Wang and X P Zhang: NUMERICAL SIMULATION OF PARTICALE MOTION TRAJECTORY IN A HYDROCYCLONE USING A STOCHASTIC TRAJECTORY MODEL, JOURNAL OF MECHANICAL ENGINEERING, Vol.43 No.6 (2006), p. 34-39 (in Chinese) [6] S G Wang, W M Chen, L Y Chu and Z B Wang: Current Status of Separation