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Preparation and properties of n-ZnS film /p-Si heterojunction Jian Huang1, a, Linjun Wang1, b, Ke Tang1, c, Jijun Zhang1, d,Run Xu1, e, Yiben Xia1, f and Xionggang Lu1, g 1School of Materials Science and Engineering, Shanghai University, No. 149 Yanchang Road, Shanghai, 200072, China ajoylinmei@shu.edu.cn, bljwang@ shu.edu.cn, ctangke26@yahoo.com.cn, dzhangjijun222@ shu.edu.cn, erunxu@staff. shu.edu.cn, fybxia@ shu.edu.cn, gcalfjoy@ sogou.com Keywords: ZnS; magnetron sputtering; heterojunction Abstract.
Before the actual deposition, the target was pre-sputtered for 5 min in order to remove the surface impurities of the target materials, if any, and the substrates were covered by a movable shutter.
Yang, Science Vol. 292 (2001), p. 1897
Wong: Journal of Crystal Growth Vol. 214-215 (2000), p. 1125
Altunbas: Materials Letters Vol. 61 (2007), p. 5239.

The antimutagenic and anticlastogenic effects of black tea is as good as green tea[7].Gelatin is denatured collagen with low antigenicity and being relatively inexpensive, and has been widely applied as fundamental materials for microspheres, sealants, tissue adhesives and carriers for drug delivery systems [8].
Materials and methods Materials.
Yang, Journal of Food Composition and Analysis Vol.21 (2008), p. 361 [2] Balentine, D.A., Wiseman, S.A., Bouwens, L.C.
Critical Reviews in Plant Sciences Vol. 16(1997) , p.415 [4] Zuo, Y., Chen, H., & Deng, Y.
Mutation Research Vol. 512 (2002) , p. 37 [8] Saito, H., Taguchi, T., Kobayashi, H., Kataoka, K., Tanaka, J., Murabayashi, S., et al Materials Science and Engineering C, Vol. 24(2004) , p.781 [9] Strauss, G., & Gibson, S.

Effects of Nd on Microstructure and Properties of Spray Deposited Mg-Al-Zn Alloy Zhenliang Li1,a,Huiping Ren1,b,Yufeng Wang1,Tongle Wang1,Wei Chen2,c, Haiying Xin2,Guowei Zhang2 1School of Material and Metallurgy, University of Science and Technology Inner Mongolia,Baotou, Inner Mongolia ,014010,China 2 Ningbo Branch of China Academy of Ordnance Science,Ningbo,zhejiang, 315103, China a lzlflying@126.com, b renhuiping@vip.sina.com, c howsoon@263.net Keywords: Spray Deposited; Magnesium Alloy; Nd; Microstructure Abstract.
Introduction Magnesium alloy is the lightest metal structural material in the practical application at the present.
Materials and Methods The billets were prepared by spraying deposition technology(the Osprey process).
Mater Process Technol Vol. 117(2001), p. 381 [4] Chengsong Cui, Qingchun Li and Jun Shen: Materials Review Vol. 10(1996), p. 21(In Chinese) [5] F X Yu, J Z Cui and S Ranganathan: Mater.
Vol. 29(1993), p. 321 [7] Guangxian Xu: Rare Earths (Metallurgy Industry Press, Beijing 1997)(In Chinese) [8] Kun Yu,Wenxian Li and Richu Wang: The China Journal of Nonferrous Metals Vol. 13(2003), p. 277 (In Chinese) [9] Ohara H: Light Metal Vol. 48(1998) , p. 422 [10] Kun Yu, Wenxian Li and Ruisong Li: Light Alloy Fabrication Technology Vol. 29 (2001), p. 6 (In Chinese) [11]Zhendong Wang, Wei Chen, Youqi Wang and Li Ma: Ordnance Material Science and Engineering Vol. 32(2009), p. 96 (In Chinese) [12] Metal Department of Zhongshan University: Physical and Chemical Constants of Rare Earth (Metallurgy Industry Press, Beijing 1987)(In Chinese)

Experimental Raw materials.
Acknowledgements The authors would like to acknowledge the financial support provided by China 973 project “the basic research of environment-friendly in modern concrete (No. 2009CB23201)”, and the excellent talent project of Beijing (No. 2009A005015000006), and Beijing Natural Science Foundation (No. 8100001).
[2] Pratibha L Gai: In-Situ Microscopy in Materials Research: Leading International Research In electron Scanning probe Microscopy, Boston: Kluwer Academic Publishers, (1997), pp.13 - 44
Jennings: Drying shrinkage of cement paste as measured in an environmental scanning electron microscope and comparison with microstructural models, Journal of materials science, Vol. 32( 1997), pp.6415-6427
[6] Yunping Xi, Todd B.Bergstrom and Hamlin M.Jennings: Image intensity matching technique: Application to the environmental scanning electron microscope, Computational Materials Science, Vol. 2 (1994), pp.249-260

By central crack plane,the fessibility of FRANC2D is used to calculate value is verified; different grid thickness model results is researched, which showed the grid size has little effect on the calculation result, and a coarse grid moel may get satisfactory result. 0 Introduction Engineering materials are often in the state of containing defects or cracks, due to manufacturing process or the material itself.
National Science Foundation, NASA, the U.S.
Material young’s elastic modulus E , poisson’s ratio are , 0.27 respectively, a romote mechanical load of tension .
Journal of Basic Engineering,Vol. 86 (1964), p.681-684
Materials Seienee and Engineering A Vol. 323(l, 2) ( 2002), p.160-166

Study on Aerobic Nitrogen Removal in Double Membrane Bio-Reactor Shanhong Lan1,a, Chuanlu Wang2,b, Huijie Li3,c, Heng Zhang2,4,d, Huixia Lan*3,f 1College of Chemistry and Environmental Engineering, Dongguan University of Technology, Dongguan, Guangdong, China 2College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao,266042,China 3College of Environment and Safe Engineering, Qingdao University of Science & Technology, Qingdao, 266042,China 4State Key Laboratory of Pulp and Paper Engineering, South China University of Technology , Guangzhou, 510640, China alllssshhhh@126.com, b329101300@qq.com, c272935708@qq.com, dhgzhang@sina.com, flanhuixia@163.com, * Corresponding author Key words: double membrane; bio-reactor; aerobic; biological nitrogen removal Abstract.
Materials and Methods Materials.
Biofilm filler was the suspended filler which made of improved polymer materials, and the membrane was made of polypropylene materials.
Acknowledgements This work was financially supported by the Industry-university-research Cooperation Project of Guangdong Minwastry of Education (2012B091100496), National college students' innovative entrepreneurial training plan (201410426049), Qingdao Municipal Science and Technology Plan Project (12-1-4-3-(28)-jch) and the open foundation of State Key Laboratory of pulp and paper engineering(201474).
Bohne: International Journal for Parasitology Vol. 38(2008), p. 1121-1132

The second door which is made of stainless steel materials should stop toxic and harmful gases impact the pressure of shock no less than 0.3MPa.
Q235 is low cost as the door of inside support layer, thermal insulation course in the middle of the door is made from polyester or fibrous flame retardant insulating materials [8].
The surface of door which is resist stress deformation, shock resistance and even fire prevention is sprayed by high temperature resistance, anti-corrosion and antistatic materials effectively
Discussion and application of underground refuge room in coal mine, Coal Science & Technology, 2010, (2): 18-20.
Research and design of mine refuge chamber, Journal of Safety Science and Technology, 2009, 5(3): 194-198.

In Materials Science Forum.
International Journal of Engineering and Technology(UAE). 7(3) (2018) 494–500 [8] Zhyhalko, Yu.P.
In Materials Science Forum, 2019, Vol. 968, pp. 361-367
IOP Conference Series: Materials Science and Engineering. 708(1) (2019) 012071. doi:10.1088/1757-899X/708/1/012071 [11] Ghasemzadeh, H., Saradar, A., Tahmouresi, B.
Journal of Materials in Civil Engineering. 30(10) (2018) 04018258

Applied Mechanics and Materials.
Applied Mechanics and Materials.
Applied Mechanics and Materials.
Advanced Materials Research.
Advanced Materials Research.

Table.1.1 Parameters for materials in analysis of static (dynamic) response Materials Density Elastic model Mohr-Coulomb kg·m-3 E/MPa μ C/kPa φ Ψ Track-bed 2300 30000.0 0.25 - - - Baseplate 2300 28000.0 0.25 - - - Trackplate 2700 20000.0 0.30 - - - Track 7800 210000.0 0.15 - - - Graded gravel 2100 300.0 0.30 - - - Lime treated soil 2050 160.0 0.30 - - - Miscellaneous-fill clay 1940 16.9(33.8) 0.35 10.0(17.0) 10.0(17.0) 0 Plain fill clay 1950 17.8 (35.6) 0.35 16.5(28.1) 6.5(11.1) 0 Prime clay 2000 24.1(48.2) 0.35 32.8(55.8) 13.7(23.3) 0 Silty clay 1930 15.4(30.8) 0.35 31.3(53.2) 11.7(19.9) 0 slits 1970 15.2(30.4) 0.35 8.5(14.5) 27.7(47.1) 0 Fig.2.
All the dynamic indexes for materials are depicted in table.1.1, and dynamic indexes for materials differed from the static are depicted in brackets.
Journal of the China Railway Society, 2000, 21(supplementary issue): 79-91 [11]WANG Binglong: High Speed Railway Subgrade Engineering [M].
Beijing: Journal of the China Railway Society, 2007 [12]YE Yangsheng, et al: Experimental Study of Roadbed and Bridge Pier Subsidence Control Measures [R].
Beijing: China Academy of Railway Sciences, 2003