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A raw material, test methods, sample preparation and maintenance 1.1 Raw materials This test uses peat soil as a raw material, cement, fly ash, sodium hydroxide as a curing material to study materials of different cure curing effect on peat soil, trying to formulate a highly effective for peat soil composite curing agent. 1.2 hydrated sample test methods Refer to GB / T 12960-2007, using hydrochloric acid selective dissolution method for the determination of the degree of reaction of fly ash.
Journal of Materials in Civil Engineering, 2000,12 (4): 307 -309
Journal of Materials in Civil Engineering, 2000,12 (2): 157 - 163 [4] Guo Yin.
Southeast University (Natural Science Edition), 2006,36 (1) :18-123
Southeast University (Natural Science Edition), 2004,34 C3): 361-365.

Correlation Analysis between Emission and Impact Factors of Greenhouse Gases Caused by Production of Primary Aluminum Jie Guoa, Feng Gao b*, Zhihong Wangc, Yu Liud, Jiangyuan Hu e and Zhu Li f School of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China aguojie_bks@emails.bjut.edu.cn, bgaofeng@bjut.edu.cn, cwangzhihong@bjut.edu.cn dliuyu@bjut.edu.cn, edyzxhu@emails.bjut.edu.cn, flizhu@emails.bjut.edu.cn Keywords: Primary aluminum, Life cycle, Energy consumption, GHG emissions, Correlation analysis.
QiangYue and Weiqiang Chen conducted the material flow analysis of aluminum in China [12, 13].
Environmental Science & Technology, 2011, 45(22): 9515-9522
Analysis of aluminum cycle from 2003 to 2007 in China, Resource Sciences, Forum Vol. 03 (2010), p. 472-477 [13] Chen W, Shi L, Qian Y.
The International Journal of Life Cycle Assessment, 2007, Volume 12(Issue 4): 217-224.

International Journal of Mechanical Science, Vol. 28 (1986), p. 201
International Journal of Mechanical Science, Vol.23 (1981), pp. 129-138
J. of Materials Processing Technology, Vol. 62 (1996), pp. 185-190. 8 [11] R.
J. of Materials Processing Technology, Vol. 161 (2005), pp. 375-380
J. of Materials and Design, Vol. 27 ( 2006), pp. 411-415.

The crash simulations are performed with LS-DYNA, and the material properties of the bumper bar are listed in Table 2.
Acknowledgements This work was financially supported by National Natural Science Foundation (51075136), the national science and technology major projects (2010ZX04017-013-005) and the Science Fund of State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body (61075005).
Hong: International Journal of Mechanical Sciences vol. 45(2003), p. 1645-1660
[4] Myoung-Gyu Lee, Chung-Souk Han, Kwansoo Chung, Jae Ryoun Youn and Tae Jin Kang: Journal of Materials Processing Technology vol. 168(2005), p. 49-55
[5] Hansun Ryou, Kwansoo Chung, Jeong-Whan Yoon and Farhang Pourboghrat: Crash simulation considering sheet forming effects based on ideal forming theory and hybrid membrane/shell method (Proceeding of NUMIFORM, Materials Processing and Design, Modeling, Simulation and Applications, Columbus, OH, USA 2004, p. 1034-1039 )

As a branch of IPN.gradient IPN is heterogeneous composite materials in which the materials property varies gradually from one interface to other[2].
Component distribution model Traditional gradient IPN can be considered as multiple layers composite material, Its gradient componet is rubber materials and matrix component is plastic materials.
Experimental materials and preparation method refered to reference[5].
Gradient interpenetrating polymer networks [J] Journal of Materials Science , 1995, 30：2475-2484
[4] Karabanova L V, Mikhalovsky S V．Gradient Semi-interpenetrating Polymer Networks based on polyurethane and poly(vinyl pyrrolidone) [J]．Journal of Materials Chemistry, 2005, 15：499-507

Materials and Methods Materials Sample.
Acknowledgements This work was financially supported by the Funds of Tianjin Agricultural Science and Technology Cooperation Project (0804130), Tianjin Agricultural Science and Technology Achievement Transformation and Extension Project(201002060).
Barbosa: Journal of Chromatography B, 767 (2002),313–319
Vyncké,: European Journal of Liquid Science and Technology, Vol.77,(1975),239-240
Xue, K.Z.Qi: Heilongjiang Agriculture Science, 2011(2):107-110, (in Chinese)

Laser beam can be used to cut or perforate in many kinds of materials, weld and harden metal material, and deal with alloying, including coating, stripping, marking, cladding etc [1].
It can simulate the laser cladding processing planning based on industrial robots (Laser cladding means that by adding the cladding material in the substrate surface and using high-energy density laser beam to heat it, thin cladding material and substrate surface are melted and froze rapidly to form cladding materials in the substrate surface.) [4].
Acknowledgements The authors are grateful for the support of Scientific Research Foundation for the Returned Overseas Chinese Scholars, Natural Science Foundation of Jiangsu (BK2009509), and the Universities’ Natural Science Research Council of Jiangsu Province of China (08KJB510021).
[2] Xichen Yang: Chinese Journal of Lasers, 2009, Vol. 36(11): 2780-2798
[3] Guojin Li, Guorong Wang: Welding Journal, 2005, Vol. 26 (3) : 58-62

However, traditional adsorption usually uses expensive activated carbon or active carbon fiber, it is very necessary to seek adsorption materials which are abundant, effective and cheap.
There are many reports about adsorption of heavy metal ions with biomass material [1-5].
Acknowledgement: The project was funded by Jinan Youth Star Science and Technology Program (2011-2-0312).
Garg, et a1, Removal of hexavalent chromium from aqueous solution by agricultural waste biomass, Journal of Hazardous Materials, 140(2007), p60 [3] W.
Li, Determination of Pb (II) in Electroplating Effluent with Spectrophotometry, Materials Protection, 40 (2007)

In 1952 Drucker-Prager: (1) In the formula: —the average stress;—the first invariant of stress;—the second invariant of the stress; ,—material parameter.
Moreover, presents expanding angle which can be used to control the volume expansion, for compacted granular materials the granule will expand when the material is in shear, if, the material will expand seriously, is a conservative way generally[4].
Acknowledgements This work was financially supported by Innovation Program of Inner Mongolia University of Science & Technology in China (NO.2010NC050, 2011NCL033, 2009NC049).
[2] Xianrui Meng, Yongyong Xu, Huanyu Liu: Journal of China Coal Society, pp.58-62, 2000, in Chinese
[3] Shuren Wang: Journal of University of Science and Technology Beijing, vol.1, pp. 69-78, 2005, in Chinese

Introduction The nanometer particles Co3O4 is excellent as the material for making Li-ion battery[1], and has been widely used in many industrial fields such as ceramic[2] ,catalyst and the magnetic materials [3].
Experimentation CoCl2.6H2O and NH3.H2O were used as starting materials in this study, and all of them are analytical reagents.
Journal of Environmental Sciences.
Vol. 18(5) (1998), p. 457 [3] Jonas Jansson, Anders E C Palmqvist. etal, Journal of Catalysis .
Vol. 25(3) (2002), p.387 [4]Jin zhang Gao, etc Materilas Vol(10) (1),P.54 [5]Yang huaming, Li yunlong. etal, Transactions of Materials and Heat Treatment.