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Introduction The recycling of materials like paper, plastic, glass and organic matter allows protecting of environment by reducing unnecessary wastes at the expense of a significant increase of operative costs.
Unfortunately, the success in aluminium recycling process depends upon the starting condition of raw material[1].
Acknowledgement This work is finally supported by Research Subject of State Science and Technology Support Program, and by Innovative Rrogram for Outstanding Postgraduate of Shanxi Province, China.
Journal of Materials Processing Technology. 173 (2006) 232-239 [2] Mandal.A., Makhlouf.M.
International Journal of Cast Metals Research．2010，23(5):303-309 [3] Simensen, Christian J., LeBrun.TMS Light Metals.2009: 777-781

Besides, some researchers also obtained full-biological degradation materials through compounding starch with other natural polymers such as cellulose, chitosan, lignin etc. [10-13] Though cellulose, chitosan and lignin are natural materials, they need a certain process for purification, which increases the preparation cost of the composite.
Raw materials such as thatch powder and starch were weighed according to the recipe, and then hand-stirred in a beaker for 3 min to mix the sawdust and adhesive starch uniformly.
Journal of Henan University of Science and Technology: Natural Science, Vol. 27(1) (2006), p. 61-65 [10] Xiaowei He, Qiang Huang:Starch-based biodegradable materials [M].
New Chemical Materials, Vol. 8 (1997), p. 21-23 [13] Chunhong Zhang, Ronghua Wang, Qiulin Chen, et al:Development of Application of Plant Fiber in Full-biodegradable Composites[J].
Materials Review, Vol. 21(10) (2007), p. 35-38

Experimental Materials and specimens.
In the last few decades, some damage models are proposed to describe the damage evolution processes of different materials enduring cyclic loading.
International Journal of Mechanical Sciences, 93 (2015): 32-47
International Journal of Fatigue, 81 (2015): 257-264
Materials Science and Engineering A, 600 (2014): 153-158

Institute of Agricultural Mechanization, Xinjiang Academy of Agricultural Sciences, Urumqi 830091, China) azhlinhai2005@163.com, bdqx5599@163.com, c563810112@163.com, d360851866@163.com,ehsl010@126.com Keywords: straw; compounding; combustion characteristics; thermogravimetric; kinetic Abstract: The mixed materials come from Beijing Daxing District, corn stalks as the main raw material, peanut shells and wheat straw as affixation.
Journal of CombustionScience and Technology, 2007, 13(1): 86－90(in Chinese )
Journal of Hen an Agricultural University , 2002, 36(1) : 77-79 (in Chinese )
Effect of oxygen concentration on combustion characteristics of typical biomass materials[J].
Beijing: Science Press , 2001

• Rhetorical relationships: state of the art, problem statement, solution, discussion, material, methods, results, evaluation
This tech report may have the same data, the same semantics, and even the same serialization as a final publication in a conference or a journal, while it allows them having differences such as typesetting format or bibliographic metadata (e.g. publication date, publisher, etc.).
Lecture Notes in Computer Science, Volume 6059, Springer, AST 2010, Miyazaki, Japan, 2010, pp.421-430 [3] Tillett, B.A.B.
Journal of Computational Information Systems.
Lecture Notes in Computer Science, Volume 6059, Springer, AST 2010, Miyazaki, Japan, 2010, pp.378-384

In the seismic analysis of arch dams, the interaction between the dam, reservoir water, sediments and foundation should be considered, in the previous analysis, the sediments were simulated as elastic materials, the plastic natures of sediments were considered less, in this article the sediments were simulated as elastic-plastic materials, the finite element models of the arch dams - the elastic-plastic sediments - reservoir - foundation systems were established, the infinite radiation damping of foundation was simulated by the viscoelastic boundary, and the seismic waves were inputted in the forms of equivalent loads from the nodes of artificial boundary. 1.
Acknowledgements This work was financially supported by the National Natural Science Foundation (51169009, 51069003), Yunnan Provincial Natural Science Foundation (KKSA201104045).
Journal of Engineering Mechanics, ASCE, Vol. 112(1986) No.7, p.654
Journal of Engineering Mechanics, ASCE, Vol. 123(1997) No.4, p.302
Journal of Hydrodynamic Engineering, Vol. 37(2006) No.9, p.1063.

However, thermal spray materials which determine the microstructure of the coating restrict its further development.
At present, various brands and components materials are at home.
Transactions of Materials and Heat Treatment, Vol.6 (2007), p. 104 [7] 《Casting non-ferrous alloy and melting》 Compile a joint compilation[M].
Corrosion Science, Vol. 7 (2005), p. 1738 [9] Savaskan T, Aydin M.
Materials Characterization, Vol. 4 (2004), p. 269 [10]Wei Baoming.

Materials and Methods Strains. 7 strains were separated and purified from the Daqing oil factory produced water, named: 1#, 2#, 3#, 4#, 5#, 6#, and 7#.
Soniyamby and C.Mariappan: submitted to Journal of New York Science (2011)
[2] Wei Shen, Shulin Yang and Changfa Ning: submitted to Journal of Nanjing University of Science and Technology (2005)
Duff: submitted to Journal of Applied and Environmental Microbiology (1981)
[7] Xinguo Xi and Pu Chen: submitted to Journal of Yancheng Institute of Technology Natural Science Edition (2008)

Dynamic analysis of structure of rock-soil material is a difficulty in structure analysis of rock-soil material.
The purpose is to analyze the performance changes of rock-soil material.
An augmented Lagrangian method of global optimization problems with cone constraints[J] Journal of Shandonn University of Technology( Natural Science Edition) Vol. 25 No.3 May 2011 in Chinese
Homogenization of non-periodic masonry structures[J] International Journal of Solids and Structures 41 (2004) 1911–1923 [8] De Buhan, P., De Felice, G., 1997.
Journal of the Mechanics and Physics of Solids 45 (7), 1085–1104.

Numerical simulation of vertical extrusion process of large-sized seamless steel tube with thick wall Jian Zhang 1,2,a,Xiaolan Wang1,b,Jianhua Song1,c,Xueqin Jin1 Zhihua Wang1,3 1 School of Materials Science & Engineering, Tianjin University of Technology, Tianjin 300384, China 2 Key Laboratory of Display Materials & Photoelectric Devices (Tianjin University of Technology), Ministry of Education, Tianjin 300384, China 3Tianjin Key Lab for Photoelectric Materials & Devices, Tianjin 300384, China azhang_jian_99999@126.com, bxiaolanjx@163.com, csongjianhua20054500@126.com Keywords: thick wall seamless steel; vertical extrusion; numerical simulation Abstract: The software of finite element simulation DEFORM-3D was used to simulate the extrusion process of the large diameter thick wall seamless steel tube, and the effective stress and load curves were analyzed in the situation of different concave die mould cone Angles.
Acknowledgements This work was supported by the National Natural Science Foundation of China under Grant No. 2009ZX04014-063-03 and Tianjin Key Subject for Materials Physics and Chemistry References [1] Qingbo Li, Haitao Zhou, Zhichao Liu.
Journal of Hot-working Process Vol. 39(2010), p.31-34
Chongqing: Material science and engineering college of Chongqing university. 2006
Pipe open-die cold extrusion process of numerical simulation based on DEFORM-3D.Hebei university of technology journal Vol. 32(2010), p.25-27.