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Experimental Reagents and materials.
Wang, Sn doped nano-TiO2 mesoporous materials synthesized by Chemical self-assembly and its photocatalytic property, Science in China Ser: B Chemistry (in Chinese), 35 (2005)206-211
Zhao, Synthesis of Ni-doped TiO2 mesoporous material via solid- state reaction at low temperature and its kinetics of methyl orange photodegradation, Journal of Inorganic Materials (in Chinese), 24(2009)902-908
Susmitha, Photocatalytic degradation of dichlorvos in visible light by Mg2+-TiO2 nanocatalyst, Advances in Materials Science and Engineering, 2012, doi: 10.1155/2012/168780
Base on Inorganic materials science.

Materials and Methods Analyzing surfacing materials (Iron based alloys) C, Cr, Mn and Ni are most widespread for depositing material in our country and abroad.
Influence of tungsten on microstructure and wear resistance of iron base hardfacing alloy. 2013 Materials Science and Technology 30 P. 316-322
Super-Hard Wear-Resistant Coating Systems. 1999 Materials Technology 14 P. 126-129
Epsilon carbide precipitation and wear behaviour of low alloy wear resistant steels. 2016 Materials Science and Technology 32 P. 320-327
Series: Materials Science and Engineering 150 p. 1-9| doi:10.1088/1757-899X/150/1/012033 [18] Gusev A, Kibko N, Popova M, Kozyrev N, Osetkovskiy I.

Thanks to it, these alloys are attractive materials for several applications.
However, it requires high care in preparing of these surfaces, because magnesium and its alloys are very reactive materials.
Especially, it is essential in the case of magnesium alloys, which are extremely chemically active materials.
Kojima: Materials Science Forum Vol. 350–351 (2000), p. 3
StJohn: Journal of Light Metals Vol. 1 (2001), p. 61.

Ramesh, et. al.: J. of the Mechanical Behavior of Biomedical Materials, Vol. 25(2013), p. 63
Material Sci.
Bindra and Shalini Bahel: Journal of Ceramic Processing Research, Vol. 11, No. 3 (2010), p. 316
Aboud: submitted to IOP conference Series: Materials Science and Engineering (2014)
Aboud: Advanced Materials Research, Vol. 748 (2013), p. 196.

Introduction In recent years there have been a strong motivation in the world society which favors in natural materials to replace non-degradable synthetic materials due to the growth of awareness of global environmental aspects as well as sustainable living.
Research Methods Materials Preparation.
The raw materials used to produce the composite samples were polypropylene (PP) and sugar cane.
Russava Istiani for their assistance with materials characterization.
Leite et al.: Brazilian Journal of Chemical Engineering, 21(2) (2004), p. 253-260

Research on the Whole Stability of Axially Compression Member of Cold-Formed Thin-Walled Steel Sections in the Effect of Initial Imperfection Huachen Liu1, 2, a, Yaojie Guo1,b 1 School of Civil and Architectural Engineering, Wuhan University, Wuhan, China 2 Institute of Urban Construction, Wuhan University of Science and Technology, Wuhan, China a huachen_liu@163.com, bwhuguoyaojie@163.com Keywords: Cold-Formed Residual Stress; Initial out-of-Straightness; Thin-Walled Steel; Stability; FEM.
In order to analyze and compare easily, 60×30×2.5 (C1), 100×40×2.5 (C2), 100×40×3 (C3), 120×40×2.5 (C4) these four different channel sections of the material of Q235 which are suggested in China’s National Technical Specification of Cold-Formed Thin-walled Steel Structures GB50018-2002 are taken the research object to calculate.
:Residual Stress in Cold-Formed Steel Members, Journal of Structural Engineering, Journal of Structural Engineering(1990), Vol. 116, no. 6, pp. 1611-1625 [2] CY Li and F Zhao:Applying Electrochemical Erosion Method to the Test of Residual Stress of Cold-formed Thin-wall Steel Members, Research on Steel Structural Engineering, Journal of Civil Engineering (2000), Vol.3, pp. 256-260 [3] YL Guo: A Theoretical and Experimental Study on the Relevant Action of local and whole Stability of Cold-formed thin-wall Steel Columns, Journal of Civil Engineering(1991),.Vol.1, pp. 25-33 [4] China’s National Technical Specifications for Cold-formed Thin-wall Steel Structures GB50018-2002. (2002), China Planning Press.

[2] Zongze Yin, Jie Wei, Junping Yuan et al.: Journal of Hydraulic Engineering, Vol. 1 (2010), p. 1-6,in Chinese
[3] Hailin Yao, Shaohe Zheng and Shouyi Chen: Chinese Journal of Geotechnical Engineering Vol. 5 (2001), p. 43-47,in Chinese
[4] Quan Zheng, Zhengya Zhang: Journal　of　Wuhan　Polytechnic　University Vol. 4(2005), p. 70-72,in Chinese
[6] Chen shanxiong: Study on engineering behaviours of expansive soil and its measures ( Huazhong university of science and technology, Wuhan 2006) ,in Chinese
[7] Jujiang Shen: Chinese Journal of Geotechnical Engineering Vol. 6(2004), p.866-869,in Chinese

But some high embankments still have unstable phenomena because of the fill material, soil property, underground water, slope form, height, the change of external and other factors, such as sinks, dike site in slump, the supporting frame fracture and so on, which will bring a lot of trouble to railway transport security[5].
Journal of Hefei University of Technology(Natural Science),Vol.17(1994) No.1,p.120-124
Rock and Soil Mechanics,Vol.124(2003) No.5,p.776-786 [4]R.V.Whitman,W.A.Bailey.Use of computers for slope stability analysis[J].Journal of Soil Mechanics Foundation Division,American Society of Civil Engineering,Vol.16(1993) No.4,p.475-498
West-china Exploration Engineering, Vol.S1(2001),p.22-25 [6] Y.M.CUI , F.R.ZHAO, Research on Tunnel Construction Technique of Reinforcing Weak Basement with Root Piles, Journal of Water Resources and Architectural Engineering Vol.7(2009) No.4,p.127-129 [7] F.B.Qiu,Z.Q.Liu and S.H.Yan, Numerical Analysis of Root Pile in Reinfor cement Tunnel Basis Journal of Wuhan University of Technology.

In the first, compliance matrix for pneumatic tire clamped by linkage mechanism is deduced depending on the contact forces, material properties and local geometry of contacting surface.
Journal of Mechanical Engineering. 48( 2012) 73-86
Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering. 218 (2004) 685-696
Journal of shanghai jiaotong university. 35( 2001) 1045-1048 [6] M.
International Journal of Machine Tools & Manufacture. (2006) 847-857

The stiffness matrix determined by physical, geometric and material parameters of structure and the applied loads are all expressed as intervals.
Berke: AIAA Journal.
Yue: Chinese Journal of Computational Mechanics.
Nielsen: Journal of engineering mechanics.
Qiu: Journal of Electronics & Information Technology.