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For traditional building materials, the method of partial coefficient that can reflect the reliability has been used in design.
Jia’nv Ni [3] studied the tensile strength and tear strength of membrane material, and got the standard strength of PVC membrane material.
Advanced material research.
[3] Jia’nv NI: Experimental Research on Mechanical Properties of PVC Membrane Materials.
Journal of reinforced plastics and composites.

Introduction Due to their special features, such as high specific strength and rigidity, composite materials are increasingly being used to replace metallic components.
Haitao Qiao studied the influence on properties of composites materials under different bonding process, especially co-curing between carbon fiber prepreg and adhesive film [4].
Experimental Materials.
Results and Discussion According to material mechanics, flexural strength σ and modulus Ε of composite material tubes were given by equation (1)
Acknowledgements All authors wish to acknowledge the Tianjin Colleges and Universities Science and Technology Fund Project (2010ZD02).

,Fang,Z.P.Fabrication of dendrimer-like fullerene (C60)decorated oligomeric intumescent flame retardant for reducing the thermal oxidation and flammability of polypropylene nanocomposites.Journal of Materials Chemistry.2009,19,1305-1313
[14]Beyer,G.Short Communication:Carbon Nanotubes as Flame Retardants for Polymers.Fireand Materials.2002,26,291-93
,Camino,G.Polypropylene-Polysilsesquioxane blends.European Polymer Journal.2010,46,14-23
[22]Lewin,M.Some comments on the modes of action of nanocomposites in the flame Retardancy of Polymers.Fire and Materials.2003,27,1-7
Chemistry of materials.2000,12,1866一1873

Smirnov1,a 1Institute of Engineering Science, Ural Branch of Russian Academy of Sciences 34 Komsomolskaya st., Ekaterinburg, 620219, Russia.
This paper deals with the mechanisms of damage and fracture of metallic materials under mechanical loads, namely, under plastic deformation.
Predeleanu (Eds.), Elsevier Science, 1995, pp. 8-14
Rabotnov, On Longtime Fracture, in: Materials and Constructions.
Predeleanu (Eds.), Elsevier Science, 1995, pp. 71-80

The development of antibacterial materials has been encouraging.
Study on the preparations and applications of several important zeolite materials.
Microporous and Mesoporous Materials. (2000)39: 431-444 [6] Selami Demirci, Zeynep Ustaoğlu ,Gonca Altın Yılmazer.
Journal of Inorganic Biochemistry. (2002) 92:37–42 [11] Ayben Top.
Materials Science Forum. (2016) 852: 1227-1233 [14] Yuan Lin, Qian Xueren.

Materials and methods Sampling and preparation.
(in Chinese): Journal of soil and water conservation VOL. 18(2004), p. 112-115
(in Chinese): Journal of Henan agricultural sciences VOL. 41(2012), p. 1-6
(in Chinese): Journal of Environmental Sciences VOL. 2013, 25(7): 1458–1468
(in Chinese): Journal of Gansu agriculture university VOL. 4(2013), p. 115-119

Location Selection Problem of Urban Residents' Environmental Awareness Campaign Baoyou Liu 1a, 2b, Yaru Liu 1a, 2b 1College of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang, 050018, China 2Pollution Prevention Biotechnology Laboratory of Hebei Province, Shijiazhuang, 050018, China aemail: lby7150@sina.com, bemail:930337736@qq.com Keywords: Integer Programming; Mathematical Modeling; Environmental Awareness Abstract.
Introduction To further enhance the environmental awareness of our citizens, our Sun Science Miles group planned the Environmental Campaign.
Management science is the management of a quantitative analysis method, a mathematical model, by solving the calculation as to assist management decisions a discipline.
Management Science Research using mathematical models of economic, defense and other departments in the environmental constraints, a reasonable allocation of human, material, financial and other resources, through the effective operation of the model to predict trends, to develop an action plan or preferred options.
European Journal of Operational Research, 2005, 165(1): 70-81.

Acknowledgment This paper is financially supported by Natural Science Foundation Project of CQ CSTC (Grant No.cstc2011jjA40019) and Research Foundation of Chongqing University of Science and Technology (Grant No.
Deng: Journal of Electron Devices Vol. 6 (2004), p. 274 [5] A.J.
Verboncoeur: IEEE Trans. on Plasma Science Vol. 32 (2004), p. 384 [6] S.
Carlsten: IEEE Trans. on Plasma Science Vol. 33 (2005), p. 882 [7] R.W.
Joseph: IEEE Trans. on Plasma Science Vol. 28 (2000), p. 821 [9] A.S.

Acknowledgement The authors thank the financial support from the National Natural Science Foundation of China (Projects 50671005 and 50971093).
Mansfeld: Corrosion Science, Vol. 42 (2000), p.275 [4] M.A.
Skeldon: Corrosion Science, Vol. 37 (1995), p. 1763 [5] H.
Ke: Material Science Forum, Vol. 488-489(2005), p.819 [8] J.R.
Huang: Chinese Journal of Chemistry, Vol. 28 (2010) , p.639 [9] A.S.

China 2 State Key Laboratory for Mechanical Behavior of Materials, Xian Jiaotong University, Xian 710049, P.
Introduction Wear mechanism of materials is not only dependent on original microstructure and properties, but also on their evolution procedure during service.
The formation of nano grains in subsurface should have an influence on wear resistance of the above materials，and finally change in the wear mechanism.Wear behavior of above materials and nanocrystalized procedure induced by heavy plastic deformation were discussed in the present paper.
It showed the microstructure beneath "black layer" because of the layer material.
Wang: Journal of Iron and Steel Research Vol. 6 (1994), p. 77 [6] D.K.