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Generally, the microstructure or micro-phase separation structure of polyurethane materials is strongly dependent on its chemical structure[4].
Experimental Materials.
Lee: Journal of materials science Vol. 35 (2000), p. 1579-1583 [2] J.H.
Satguru: Journal of Applied Polymer Science Vol. 67 (1998), p. 1437-1448 [5] C.G.
Mechin: Journal of Polymer Science: Part B: Polymer Physics Vol. 42 (2004), p. 473-492 [7] K.

Ahmad1 1School of Chemical and Materials Engineering, National University of Sciences and Technology, Islamabad, Pakistan 2Institute of Industrial Control Systems, Islamabad, Pakistan azahid0474@gmail.com, btanvermughal@gmail.com Keywords: AP/AL/HTPB composites, filers particle size, mechanical properties, ballistic properties Abstract: Mechanical and ballistics properties are a measure of the performance of AP/Al/HTPB composites.
Introduction Highly loaded polyurethane based composite materials have an important role in military and the space applications [1].
Experimental Materials: Solid particles were comprised of Ammonium perchlorate (AP) in trimodal size distribution (size range 8µm to 250µm) and Aluminum powder in the sizes of 13 µm and 24 µm.
Jawalkar, et al, “Influence of Bicurative on Processibility of Composite Propellant”, Defience Science Journal, Vol. 57, No.5 (2007), p. 669-675
[6] Suni Jain, Mehilal, et al, “Size and Shape of Ammonium Perchlorate and their Influence on Properties of Composite”, Defience Science Journal, Vol. 59, No.3 (2009), p. 294-2

Introduction Tungsten and molybdenum are rare metal, which are the major components of many important metal materials, including tungsten carbide, special steel, catalyst, and tungsten wire, etc.
Experimental Materials.
Li: International Journal of Refractory Metals and Hard Materials. 28 (2010) No.4, p. 503
Zhang: Membrane Science and Technology. 18 (1998) No.1, p. 51.
Liu: The Chinese Journal of Nonferrous Metals. (2013) No.5, p. 1463.

Introduction Neoprene foam is of light weight, low thermal conductivity, and good chemical resistance, can be widely used in aircraft and automobile parts, sports equipment and thermal insulation materials.
Irgen, Mechanics of Composite Materials, vol.31 (1995), p.588 [6] H.
Ohnishi, Journal of Mechanical Science and Technology, vol.21 (2007), p.1677 [7]B.
Poompradub, Journal of Sol-Gel Science and Technology, vol.52(2009), p. 219 [11] S.
Lopez-Manchado , European Polymer Journal, vol.44(2008), p. 3493 [13] J.

Figure 1 The reaction mechanism of epoxidation of the oil Materials.
We are also grateful for the supports of Key Discipline on Wood Science & Technology in Yunnan Province, Program for Innovative Research Team (in Science and Technology) in University of Yunnan Province, and Biomass Materials Engineering Research Center in University of Yunnan Province, China.
Chen: Journal of Chemical Engineering of Chinese Universities, Vol.23 (2009), p. 116.
Liu: The Chinese Journal of Process Engineering, Vol.10 (2010), p. 714.
Liu: Chinese Journal of Applied Chemistry, Vol.27(2010), p. 27.

Trakia Journal of Sciences, 3(7), 1-6
Popovich // Materials Science . – 2014.– Vol. 50, 3. – pp. 377–380
Popovich // Materials Science . – 2014.– Vol. 50, 3. – pp. 377–380
Diagnostics of materials, (2), 41-49
"Fatigue of materials and structures in the 20th century: state-of-the-art," Materials Science. - 2003. – 39, №. 3.

Sic based ceramic foams reinforced by in-situ mullite whisker Xiaoli Ji1,a,Fei Xu 2,b,Haiya Chen3,c 1Key Laboratory of Silicate Materials Science and Engineering Wuhan University of Technology, Wuhan 430070,China ajxl@whut.edu.cn bXufeixf2000@yahoo.com.cn Keywords: silicon carbide, ceramic foams, mullite whisker Abstract.
Experiment procedure Mixed the raw materials to prepare water-based slurry.
Major phase of sintered sample is mullite, showing reactions among materials of 1 # sample basically synthesized mullite phase. 3.2.
References [1] Zhu XW: Journal of inorganic materials,Vol.16(2001),P.889 [2] Guan Zhengzhuo: Physical properties of Inorganic Materials (TsingHua University Press, Beijing 2002)
[3] Shuqiang Ding:Journal of the European Ceramic Society,Vol.27(2007),P.2098 [4] Larsor D R:J.Am.Cream.Soc.Vol.10(1947),P.417 [5] Sui wanmei: Journal of materials,Vol.14(2002):P.35

China 2State Key Laboratory of Optoelectonic Materials and Technologies, School of Physics and Engineering, Sun Yat-sen (Zhongshan) University, Guangzhou, 510275, China aemail: mmwangxf@163.com, bemail: dafang_09@126.com, cemail:tianle_li@163.com, demail:wangfj@mail.sysu.edu.cn Key words: ZnO nanoparticles, size-dependence, surface states Abstract.
The luminescence properties of such nanostructures are substantially different from those of bulk crystalline materials [5-7].
Acknowledgments This work was financially supported by the Science and Technology Program of Guangdong Province (2010B080701066), Foundation for Distinguished Young Talents in Higher Education of Guangdong (2012LYM0097), Research Fund for the Doctoral Program of Guangdong University of Petrochemical (511022), and Foundation for Science and Technology Program of Maoming, China (201338).
Datta, Indian Journal of Physics, Vol. 87 (2013), p. 1177
Datta, Indian Journal of Physics, Vol. 87 (2013), p. 1177

Material parameter of specimens is the same as test of Packer J.A, steel yield strength of chord and bracing is 400 MPa, ultimate strength is 443 MPa, cylinder compressive strength of concrete is 30 MPa.
Material mechanical The stress vesus strain of steel is based on double-line elastic-plastic model.
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (51178051, 5178068), Construction Technology Program of Ministry of Transport (2013318812410) and Technology Project of Shaanxi Provincial Transport Department (13-26K).
Cold Formed Tubular Members and Connections: Structural Behaviour and Design(Elsevier Science Ltd, 2005) [4] Packer J A.Concrete-Filled HSS Connections submitted to Journal of Structural Engineering(1995)
Experimental Research on Rectangular Steel Tube X-joints with Chord Concrete-inside Subjected to Tension and Bending submitted to Journal of Building Structures(2009)(in Chinese)

An improvement method for extracting five parameters of a solar cell based on Lambert W-function with the current-voltage data Zhongzheng Zhang a, Xiaofang Cheng b, Jinlong Liu c Department of Thermal Science and Energy Engineering, University of Science and Technology of China, Hefei, Anhui 230027, China azzzustc@mail.ustc.edu.cn, bxfcheng@ustc.edu.cn, cljinlong@mail.ustc.edu.cn Keywords: Solar cell, Five-parameters, Current-voltage characteristics, Extraction Abstract.
Solar Energy Materials and Solar Cells. 90(3): 352-361
Solar Energy Materials and Solar Cells. 94(8): 1358-1370
Journal of Applied Physics. 110(6)
International Journal of Solar Energy.