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Effect of Ca2+ and Fe3+ Addition on Nitrification-denitrification Process in a Membrane Bioreactor Mojie Sun1,a, Honghong Wang1,b and Haifeng Zhang1,c 1School of Chemical Engineering, Northeast Dianli University, Jilin, Jilin, 132012, China asmoj@sina.com, blqxwhh@163.com, czhftju@163.com Keywords: membrane bioreactor, calcium ion, ferric ion, nitrification-denitrification Abstract.
Materials and Methods Experimental Set-up.The experimental set-up is shown in Fig. 1.
For ferric ion, a removal rate of 70% was obtained at dosage of 50mg/L, however, a decrease was seen when the concentration continued to increase, as shown in Fig.2(c).This may be explained that ferric ion was an essential electron carrier in the oxidation-reduction reaction of the cytochrome and ferredoxin, which played a key role in the process of electron transfer.

Asynchronous Permanent Magnet Coupler Hydraulic Coupler and Performance Analysis Liu Caijun1, Ma Jie1, Zhang Wujin2 1School of Mechanical and Electronic Engineering, Zaozhuang University 2Zaozhuang intellectual property protection and assistance center, Zaozhuang Lcjczy@163.com Keywords: asynchronous; permanent magnetism; magnetic; coupling torque Abstract.
Scraper conveyor often started with full load, so the overload protection safety is very important for the scraper conveyor, starting torque, heavy-duty scraper conveyor need higher in the delivery of materials in the process of starting, so full of more difficult[1].
The two is able to significantly reduce the transmission system by starting impact, prolong the service life of key parts; also can greatly shorten the time of starting current impact, save energy and prolong the service life of motor.

Study On The Leaching Of Sodium Nitrate From Nitratine Xi XI MA a , JIANJUN YUAN b, Tianjin Key Laboratory of Marine Resources and Chemistry, Tianjin University of Science and Technology, Tianjin amaxixideyouxiang@yahoo.cn, bjj_yuan@tust.edu.cn Keywords: Nitratine; Sodium Nitrate; Leaching Abstract.
Materials The raw nitratine sample was taken from the XinJiang Province, China and Table 1 presents the main chemical components of the nitratine.
Tang, et al: Study on Spray Irrigation of Heap Leaching, volume 15 of China Mining Magazine, Vol. 15, 76-78(2006) [3] Y. xi, et al: Study on The Factors Influencing the Recovery of Ore Heap Leaching and Their Optimization, Mining R&D, Vol. 25, No. 5, 19-22(2005) [4] Lizama H M, Harlamovs J R, McKay D J, et a1: Heap leaching kinetics are proportional to the irrigation rate divided by heap height, Minerals Engineering, Vol. 18, No. 6, 623-630(2005) [5] L.F.

Magnetotransport Behaviors in Electron-doped Manganese Oxide La0.9Te0.1MnO3 Guotai Tan 1, a, X Zhang 2,b and Zhenghao Chen 3,c 1 Department of materials science & Engineering, Tsinghua University, Beijing 100084, P.
Acknowledgements This study was supported by the grants from China Postdoctoral Science Foundation and the State Key Program of China (No.

Carbon Nano Tube Supported H3PW12O40 for Effective Adsorption of Nox Lin Cheng1, Rui Wang1, a, Xueyang Zhang1, Shumei Song1, Ying Jiang1 and Korchak Vladimir2 1 School of Environmental Science & Engineering, Shandong University, Jinan 250100, China 2 Laboratory of Heterogeneous Catalysis, Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow 119991, Russian Federation ree_wong@hotmail.com (corresponding author) Keywords: Carbon nano tubes (CNTs); Surface modification; Support; Adsorption; NOx Abstract.
Experimental Materials and chemicals.
Programs Foundation 20070422087), Shandong Provincial Research Award Fund for Excellent Young Scientists (2006BS08020), Shandong Provincial Key Technologies R & D Program (2008GG10006005) are gratefully acknowledged.

Fuzzy Comprehensive Evaluation of Oil Spills Pollution Level for Offshore Platform Yinhai Lang 1, 2, a, Fangfang Cheng 1, 2, b and Nannan Wang 1, 2, c 1College of Environmental Science & Engineering, Ocean University of China, Qingdao, 266100 2Key Laboratory of Marine Environmental Science and Ecology, Ministry of Education, Ocean ayhlang@ouc.edu.cn, bchengfangfang_2008@126.com, cbolatuwangnan@126.com Key words: fuzzy comprehensive evaluation; oil spill; offshore platform; analytical hierarchy process Abstract: Oil pollution is considered as one of the pollutants that are harmful to the marine environment.
Hazardous Materials, 134(2006), p. 27-35

Malaysia University of Science and Technology, Department of Material Science and Engineering , GL33, Ground Floor, Block C, Kelana Square, No.17, Jalan SS7/26, Kelana Jaya, 47301 Petaling Jaya, Selangor, Malaysia.
a kk.yang80@gmail.com, b jeff@um.edu.my, c koayhunlee@gmail.com Key words: Electrodeposition, Tin, Ionic liquids Abstract The electrodeposition of tin from Tin (II) Methane Sulfonate (MSA) with varying concentration in air and water stable 1-Butyl-1-Methylpyrrolidinium Trifluoro-Methanesulfonate, (BMPOTF) ionic liquid at room temperature was studied.
This may allow thinner deposits to be used, thus reducing overall material and power consumption [2].

Efficient Elastic Modulus Adjustment Procedure for Limit Analysis of Spatial Frame Structure Bo Yu 1, a and LuFeng Yang 1,b 1 Key Laboratory of Disaster Prevention and Structural Safety of China Ministry of Education, School of Civil Engineering & Architecture, Guangxi University, Nanning, Guangxi, 530004 agxuyubo@gxu.edu.cn, blfyang@gxu.edu.cn Keywords: limit analysis; elastic modulus adjustment factor; strain energy equilibrium principle Abstract.
As shown in Fig. 2a, the storey height of spatial truss is H, while the span lengths for base and middle part are x1 and x2, respectively; the areas of cross section in all elements are assumed to be As=400 mm2; the yield stress and Young’s modulus of structural material are assumed to be sy=300 Mpa and E =2×105 Mpa, respectively; a is the load ratio.
The yield stress and Young’s modulus of structural material in both beam and column are assumed to be sy=300 Mpa and E=2.0×105 Mpa, respectively; the width and height of cross section in beam element are Bb=25 mm and Hb=40 mm, while in column element are Bc=30 mm and Hc=30 mm, respectively; the ratio of vertical load to horizontal one is assumed to be a.

Acknowledgement This paper is partly supported by Shanghai Science and Technology Commisson (09DZ1207200), the fifth Key Subject of Shanghai Education Commission(G51304) and the third phase of undergraduate education center constructin project of Shanghai Education Commisson Nomenclature γ empirical PV curve-fitting parameter k Boltzmann Constant,1.38×10-23J/(K·mol) TC cell temperature, K I the cell terminal current, A IL light generated current, A Io diode reverse saturation current, A V the output voltage q the electron charge 1.602×10-19C P panel power output, W m number of parallel connected cells, dimensionless N number of panels in surface, dimensionless n number of series connected cells, dimensionless DF daylight factor, % Rs module series resistance Ep luminance of the point or reference, lux Ehext the external horizontal illuminance, lux References [1] Yu-ning Liu, Chao Chen.
Solar Energy Materials & Solar Cells, 2009,93:230-238
[7] Energy Plus engineering reference.

ajackyxac@163.com bzhuxf@czu.cn crealchengong@sina.com Key words: discontinuous; film thickness; threshold; multi-resolution wavelet Abstract: For building discontinuous dynamic scanning of film thickness of lithium battery systems, dynamic scanning of laser sensors is realized based on threshold judgment and multi-resolution wavelet algorithm for dynamic noise reduction.
Design for the characteristics of X ray thickness gauge data processor circuit[J].Journal of Hunan University of Science and Engineering,2010.08：22-23
Materials Science&Technolog，2008，06：817-820