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Materials and methods Microorganism strains and culture conditions Gluconacetobacter hansenii strain CGMCC1671 and Saccharomyces cerevisiae strain CGMCC1670 were isolated from traditional Kombucha, and identified in this lab and conserved as CGMCC1671 and CGMCC1670 respectively in China General Microbiological Culture Collection Center.
Results Single factor test a b c Figure 1a shows that medium volume was one of the key parameters determining the BC yield.
Khan, et al: Korean Journal of Chemical Engineering Vol. 26(2009), p. 1689-1692 [14] Y.

System Analysis and Design of Gripping Device for Wafer Transfer Robot Peng Zhang1, a, Xianwen Zhuang1, b, Lina Hao1, c, Hongtao Liu1, d 1School of Mechanical Engineering and Automation, Northeastern University, China a z.pyj@163.com, b wonderdsr@163.com, c neuhaolina@163.com, dlht6059198@163.com Keywords: IC manufacture, Wafer transfer robot, End effectors, Edge gripping devices Abstract.
Wafer transfer robots are key facilities of IC manufature equipment which are used to transfer and position wafers between working procedures.
To avoid damage and pollution during contact, designers should choose local contact method and materials that release fewer particles.

The Effects of Substrate Temperature on the Composition and IR Transmission Properties of Germanium Carbon Films Deposited by Reactive RF Magnetron Sputtering Li Yangpinga , Liu Zheng tangb , Yan Fengc, Liu Wentingd State Key Laboratory on Solidification Technology, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710072, Shaanxi, China a liyp@nwpu.edu.cn, b liuzht@nwpu.edu.cn, c 036046146@163.com, d wen-tingliu@163.com Keywords: Germanium carbon, RF magnetron sputtering, infrared transmittance, XPS Abstract.

Conceptual Design, Thrust Test, and Finite Element Analysis of a Tip-jet Rotor using a Small Turbo-jet Engine Nam Seo Goo 1, a, Hoon Cheol Park1,b and Kwang Joon Yoon1,c 1 Department of Aerospace Engineering, Artificial Muscle Research Center, Konkuk University 1 Hwayang-dong, Kwangjin-gu, Seoul 143-701, Republic of Korea a nsgoo@konkuk.ac.kr, bhcpark@konkuk.ac.kr, ckjyoon@konkuk.ac.kr Keywords: Tip-jet rotor, Anti-torque, Finite element analysis Abstract.
For the isotropic material, the von Mises stress is considered and the directional stress for the composite material.
Key design parameters for the duct system are found and tested for an optimally performing power system.

A Lattice Boltzmann Model of Calculating Mass Diffusivity in Nanofluids Zhongli Tanga and Bo Zhanb State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300072, China azltang@tju.edu.cn, bzhanbo2005@126.com Keywords: Lattice Boltzmann; Mass diffusivity; Nanofluids; Enhancement; Mass transfer Abstract.
Cahill: Materials Today Vol.8 (2005), p. 36 [5] P.R.

Analysis Research of technology Schemes of Reduction NOx Emission in Lean Burn Gasoline Engine Dongpeng Yue1 Wen Zhang2,a Zhijun Li3 Ying Zhang3 Lei Liu3 Shaoshu Chen3 Penghao Jiao3 1 Tianjin University of Technology and Education, Tianjin 300222 2 Tianjin electronic information vocational technology college, Tianjin 300350 3 Stake Key Laboratory of Engines, Tianjin University ,Tianjin 300072 a zhangwen_tj@foxmail.com (Wen Zhang) Tel: +86 022 27406781; fax: +86 022 27383362 Keywords: Lean burn, Gasoline engine, Three Way Catalyst, NOx, Emission.
[4] Aexl Koning,et al．Rearch Results on Processes and Catalyst Materials for Lean NOx Conversion[A].
SAE paper[C] 962041,1996, [5] W.Strehlau, J. et al “Lean NOx catalysis to gasoline fueled European cars”[J] Automotive Engineering 1997,2.P133-135 [6] Gregory D.

Impacts of pH and Electrolyte on Cadmium Desorption Characteristics in Contaminated Soil Su Chen1, a, Lei Chao2, b, Lina Sun1, c and Tieheng Sun1,d 1 Key Laboratory of Regional Environment and Eco-Remediation, Shenyang University, Ministry of Education, Shenyang 110044, China 2 Liaoning Academy of Environmental Sciences, Shenyang 110031, China aemail: mailchensu@yahoo.com.cn, bemail: mailchaolei@yahoo.com.cn, cemail: mailsydx@yahoo.com.cn, demail: thsun@iae.ac.cn Keywords: Cadmium, Electrolyte, pH, Desorption, Soil Abstract.
Materials and Methods Test Soil.
Wang, Northwest Water Resources & Water Engineering (1996) 35-40 (In Chinese)

The flavor property of soft cheese fermented by two stains of Streptococcus thermophilus and made of reconstituted milk Yanhua Li, Lanwei Zhanga, Weijun Wang, Lili Zhang, Xue Han, Yuehua Jiao School of Food Science and Engineering, Harbin Institute of Technology, Harbin 150090, P R China awilkinghigh@yahoo.com.cn Keywords: Streptococcus thermophilus, Soft Cheese, Volatiles, Reconstituted Milk.
Materials and methods Pasteurized reconstituted milk.
Acknowledgements The work was financially supported by Key Projects in the National Science & Technology Pillar Program during the Eleventh Five-Year Plan Period (No. 2006BAD04A06).

Materials and methods A.
Acknowledgement This work was supported by the National Natural Science Foundation of China (30771247), the open fund of Zhejiang Provincial Top Key Discipline of M&E (2009) and the Foundation of ZJUT (2010).
Journal of Fluids Engineering. 2001,123: 819-828.

Because the liberal arts experiments depend much on the information materials, and their scales and the effects mainly depend on the software.
In the experimental arrangement, the basic experiment and the network configuration experiment use single experimental method, and the laboratory provides detailed experimental guidebooks, to give the relevant theoretical knowledge, the experimental targets, experimental contents, difficult and key points and matters needing attention.
Conclusion The open network experimental platform can provide more space and more abundant teaching mode for carrying out practical teaching activities, and can bring the students more training and learning opportunities, but its construction is the system engineering needing to be continuously updated, and continue to be improved with the development of practice teaching for the specialty of economics and management.