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The material selection is very important as it is vital to ensure that the materials used to create the bioreactor do not give any adverse reaction from the cultured cells.
All the materials that have been chosen are usable at 37ºC in a humid atmosphere.
Since the materials need to be autoclaved, all the materials are able to withstand numerous cycles of high temperature and pressure.
Journal of Biotechnology 133, pp. 490-496
Journal of Bioteachnology, pp. 181-196

Introduction Air is composed of 78% N2 and 21% O2, which have been widely used nowadays as important industrial raw materials.
CMSs are carbon materials with narrow pore size distribution, and lately used by a number of companies as commercial adsorbents, such as MAST (UK), Carbon Membranes (Israel) and Takeda (Japan).
The influence of carbonization temperature in gas separation properties, Microporous and mesoporous materials. 81 (2005) 161-167. ,[] M.A.
Experimental section Materials CMSs (HP-1, Zhejiang Changxing Chemical Materials Co., Ltd., 20-40 mesh) were taken as the raw materials.
Chu, Effect of the surface oxygen groups on methane adsorption on coals, Applied Surface Science. 264 (2013) 433-442. ].

The syntony strength of drive spindle is judged with material performance and working frequency.
Acknowledgements Foundation item: Item Sponsored by Province Natural Science Foundation of Hebei (E2008000395), China References [1] W.C.Heseenberg &W.N.Jenkins: Effects of screw and speed-setting changes in gauge speed and tension in tandem mill.
Beijing: Journal of College of Iron and Steel Beijing, 4(1980) 86–97 [6] Yiqun Wang, Wei Zhang, Yingjie Gao: Journal of China Mechanical Engineering(In Chinese) 14 (2003) 1770–1773 [7] Shenbai Zheng, Jingtao Han, Yuehui Yang: Structured figurative simulation of rolling process systems(In Chinese).

The initial design follows the traditional materials and structures design of plasma cutting guns.
on the surface of non-conductive materials, acting as an additional anode (Fig. 9b).
The other is that there is little loss of electrode and nozzle materials, avoiding a large amount of anode materials to foul the ceramic surface.
Yu: Materials Science Forum, Vol. 626-627(2009): p. 565-570 [2] X.L.
Lu: Journal of Materials Processing Technology, Vol. 129(2002), p. 152-156 [4] J.Q.

Influence of Voltage Parameters on Formation Process of MAO Ceramic Coating on Aluminum Alloy Feng Guo 1, a, Rongming Liu 1, b, Pengfei Li 1, c 1School of Material Science and Engineering, Inner Mongolia University of Technology, Huhhot 010051, PRC aguofengnmg@sina.com, bafmlab@139.com,cli_pf@imut.edu.cn Keywords: Micro- Arc Oxidation; Aluminum Alloy; Ceramic Coating; Voltage Parameter Abstract.
Experimental procedures Materials preparation.
Mamaev “Microplasma systems for creating coatings on aluminium alloys” Materials Letters, Vol. 57, Issue 11, 1748-1751,March 2003 [6]A.
“Mechanism of Anodic Spark Deposition” American Ceramic Society Bulletin, Vol. 56, Issue 6, 563-566,1977 [9]Zhenduo Guan, Zhongtai Zhang, Jinsheng Jiao “Physical preformance of inorganic material” Tsinghua University Press in Bei Jing, 335-345, 1992 (In Chinese) [10]Xiuchen Liu, Chengqiang An, Zuoxing Cui “Science of metal corrosion” National Defense Industry Press in Bei Jing, 273-281, 2002 (In Chinese) [11]Wenbin Xue, Zhiwei Deng “Analysis of phase distribution for ceramic coatings formed by micro-arc oxidation on aluminum alloy” Journal of the American Ceramic Society, Vol. 18, Issue 5, 1365-1368, 1998 [12]S.V Gnedenkov, O.A Khrisanfova, A.G Zavidnaya, S.L Sinebrukhov, P.S Gordienko, S Iwatsubo, A Matsui “Composition and Adhesion of Protective Coatings on Aluminum” Surface and Coatings Technology, Vol. 145, Issues 1-3, 1, 146-151, August 2001 [13]É.
Kamyshanskii “Formation of structure and properties of coatings deposited by micro-arc oxidizing on parts fabricated from aluminum alloys” Metal Science and Heat Treatment, Vol.42, Number 10, 411-415, 2000

While the advent of elastic meltblown nonwoven materials solved this problem.
The aim is taking advantage of excellent filter of meltblowm materials in the possibility of improving the materials elasticity.
Then the study should focuses on the transform of row material and structure from single one to composition of multiple materials and structures.
Techtextiles & Nonwovens Symposium The 4th Forum on Disseminating High-Tech Applications in Techtextiles (Protective Materials and New Flexible Materials). (2005), p. 98-99 [4] M.
Journal of Xi’an Institute of Engineering Science and Technology.

Some geometric parameters as well as the properties of materials used for manufacturing transducers may be defined using widely known analytical relationships [1].
Since dispersion curves depend on plate thickness and its material properties, the transducer should be designed for a specific structure to achieve optimal operational parameters.
The selected geometrical characteristics as well as material properties used for manufacturing transducers may be defined using widely known analytical relationships [1].
Giurgiutiu, Single mode tuning effects on lamb wave time reversal with piezoelectric wafer active sensors for structural health monitoring, Journal of Nondestructive Evaluation (26) (2007) 123–134
Lowe, Acoustic fields from PVDF interdigital transducers, IEE Proceedings Science, Measurement and Technology 5(145) (1998) 250–259.

Investigation on Over-spray Powder of Spray Formed Al-22Si-5Fe-4Mn-3Cu-1Mg alloy Fuwei Kang1,2a※, Haichao Li2,b, Yandong Jia3, Jianfei Sun3, Xinghong Zhang1 1Center for Composite Materials and Structures, Harbin Institute of Technology, Heilongjiang Harbin 150000 China 2School of Materials Science and Engineering Harbin University of Science and Technology，Heilongjiang Harbin 150040 China 3 School of Materials Science and Engineering Harbin University of Science and Technology，Harbin Institute of Technology, Heilongjiang Harbin 150000 China afuwei_kang@163.com, b285414732@qq.com Key words: spray forming, over-spray powder, morphology, microstructure Abstract.
However, it is difficult to produce such alloys with high silicon content by means of conventional casting process since coarse primary silicon phase precipitates in the materials and causes reduction of mechanical properties and deterioration of workability.
Materials China. 2010,29(11):31-38, In Chinese
Automobile Technology &Materials. 2001(2):16-19, In Chinese
Journal of Materials Processing Technology. 2009,209:5220-5228 [4] F.W.

Quick plastic forming behavior of AZ91 magnesium alloy sheet Gang Wang 1, a, Zhipeng Zhang 1,b Chengbo Liu 1,c and Xia Sheng1,d 1 School of Materials Science and Engineering, Harbin Institute of Technology at Weihai, Weihai 264209, China awwanggang2000@yahoo.com.cn, bzhangzhipenghit@hotmail.com, cqdadai@yahoo.cn，dsaintsummer@hotmail.com Keywords: AZ91D magnesium alloy sheet, Quick plastic forming, Microstructural evolution Abstract.
Experimental material and procedures Experimental material.
Schroth: Materials Science Forum Vol. 551-552(2007), p. 3 [2] Mary-Anne kulas: Material Science Forum Vol. 551-552(2007), p. 129 [3] V.Franetovic: 2007 ASME/STLE International Joint Tribology Conference, IJTC 2007, p. 753 [4] P.
Tsai: Journal of Materials Processing Technology Vol. 210(2010), p.1673 [9] H.
Wang : Material Science and Technology Vol.18(2010), p.124(in Chinese) [10] L.J.Cui, G.Wang and T.D.Zhang: Material Science and Technology Vol.18(2010), p.61(in Chinese)

Research on Seismic Behaviour Factor of CBSF Cheng Li 1, a, Junfen Yang2,b and Qiang Gu 3,c 1School of Architecture and Civil Engineering, Xi’an University of Science and Technology, Xi’an 710054,China. 2College of Civil Engineering, Xi’an University of Architecture and Technology, Xi’an 710055,China. 3College of Civil Engineering, University of Science and Technology of Suzhou, Suzhou 215011,China.
Journal of University of Science and Technology of Suzhou (Engineering and Technology), 2007, 20(1):15-20.
Journal of University of Science and Technology of Suzhou (Engineering and Technology), 2007, 20(1):10-14.
Establishing R (or Rw) and Cd factors for building seismic provsions [J], Journal of Structural Engineering, 1991, 117(1):19-28
The material grade is Q235 (the yield strength is 235Mpa), following the Von-Mises yield criterion.