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Green purchasing includes material quality, supplier selection and related evaluation system.
Green manufacturing involves product design, manufacturing planning and control, material exploitation, waste reduction and energy consumption.
Acknowledgements This work is financially supported by the project of Provincial Planning Office of Philosophy and Social Science of Hunan (2010YBB099).
Lai: Omega: The International Journal of Management Science, Vol. 36, Issue.4(2008), pp.577-591 [13] Qing Hua Zhu: China Population Resources and Environment, Vol.19, Issue.2(2009), pp.83-87 (In Chinese) [14] G.A.Churchill: Marketing Research: Methodological Foundation(fifth ed) New York, The Dryden Press(1991) [15] C.
Larcker: Journal of Marketing Research, Vol.18, Issue.3(1981), pp. 382-388

Material properties: Referred materials of the assembly body of conical pick include carbide tip material YG11, body material 40Cr, handle material 15CrMo, and the Mechanical property parameters of these materials are shown in Tab.1.
Journal of xi 'an institute, 2003.9,325-327
Journal of liaoning engineering technology university, 2009.5,798-800
Friends of the science, 2008.4,131-132
Journal of xi 'an institute, 1986,6(2):66-74.

Hassan: Advanced Materials Research Vol. 364 (2012), p. 60-64
Ozbay: J of Optoelectronics & Advanced Materials Vol.2 (2001), p. 525 - 530
Acharya: Journal of Matereials Science Vol.25(1990),p. 4014-4017
Darvasi: J of Optoelectronics Advanced Materials Vol.8 (2006), p. 1187 - 1193
Hassan: Materials letters Vol.65 (2011),p. 3105-3108.

Effect of the Si3N4 coating on the mc-Si ingot in the process of multicrystalline silicon purification by metallurgical methods Jiayan Li, Yi Tana, Mei Liu, Wei Dong School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, China.
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Lawerenz: Solar Energy Materials & Solar Cells., Vol.72 (2002), p.403 [8] J.
Mukai: Journal of Colloid and Interface Science, Vol.270 (2004), p.140 [10] F.
Li: Materials Research Innovation, in press

The high mechanical properties of abaca fibers can be used as reinforcement in composite materials [11–15].
Composite materials are the alternative absorber materials that are expected to improve the mechanical properties.
Torng, Experimental study of the absorption characteristics of some porous fibrous materials, Appl.
Venkateshappa, Abaca Fiber Reinforced Epoxy Composites : Evaluation of Impact Strength International Journal of Sciences : Abaca Fiber Reinforced Epoxy Composites : Evaluation of Impact Strength, Int.
journal= JournalOfBasicAndApplied

Influence of Magnesium on Structure and Properties of Al- Si Alloy, Advanced Materials Research, 23 (2007) p291 [2] C.H.
Garcı´a-Garcı´a, Copper Content and Cooling Rate Effects Over Second Phase Particles Behavior in Industrial Aluminum–Silicon Alloy 319, Materials and Design (2005) p1-6 [4] Wang Feng et. al., Effect of Si addition on the Microstructure and Mechanical Properties of Al–Cu–Mg Alloy, Journal of Alloys and Compounds 585 (2014) p474–478 [5] C.
Liu et. al , The Effect of Si on Precipitation in Al–Cu–Mg Alloy With a High Cu/Mg Ratio Materials Science & Engineering A606 (2014) p187–195 [6] R.X.
Hu Age-hardening Behavior of Cast Al–Si Base Alloy Materials Letters 58 (2004) p2096– 2101 [7] Q.C.
Doty, Effect of Solution Heat Treatment and Additives on the Microstructure of Al-Si (A413.1) Automotive Alloys Journal of Materials Science 38 (2003) p4507 – 4522

Introduction Although a large variety of potential applications for shape memory alloys require materials having the transformation temperatures above lOO oC, the martensitic points in commercial binary Ni-Ti alloys do not exceed 90- lOO oC [1].
Thadhani: Progress in Materials Science Vol. 55 (2010), p. 759
Nam: Materials Science and Engineering A Vols. 438–440 (2006), p. 545
Wilde: Current Opinion in Solid State and Materials Science Vol. 20 (2016), p. 3
Fabietti: Journal of Magnetism and Magnetic Materials Vol. 335 (2013), p. 75.

Of Advance Technology for Materials Synthesis and Processing, Wuhan University of Technology, 430070, China.
Introduction A new kind of functionally graded materials (FGMs) with density gradient can be used as a flierplate in dynamic high-pressure technology.
[6] Q.Shen, L.M.Zhang and H.P.Xiong etc: Functionally Graded Materials 2000, p. 373
[8] D.M.Zhang, Z.Y.Fu: Journal of Wuhan University of Technology Vol.21 No.6,1999, p. 15-17
[10] Hugh Baker Editor: Alloy Phase Diagrams (ASM Handbook, Vol. 3, The Materials Information Society, 1992).

Introduction Inverse radiation analysis is very practical and useful in many different areas such as laser light-scattering flame diagnosing, remote sensing of the atmosphere, optical tomography in medical imaging, the prediction of the temperature distribution in combustion chambers, optimizing the manufacturing and materials processing system and so on.
[2] McCormick N.J.: Nuclear Science and Engineering, 112, 185–198, 1992
[7] Liu L.H., Tan H.P., He Z.H.: International Journal of Thermal Sciences, 40, 528–538, 2001
[11] Qi H., Ruan L.M., Zhang H.C., Wang Y.M., Tan H.P.: International Journal of Thermal Sciences, 46, 649–661, 2007
[12] Eberhart R., Kennedy J., A new optimizer using particle swarm theory, in: Proceedings of the 1995 Sixth International Symposium on Micro Machine and Human Science, 39–43, 1995

Measurement Techniques Study of Universal Tool Microscope Xiangfu Tana, Chaoxiong Xub ,Ruiwen Shic,Weijian Guo,Tao Mao and Chunyu Hu Hunan Institute of Sciences and Technology,Yueyang,414000 atxfhnlg@sohu.com, b1036921832@qq.com,c283361339@qq.com Keywords: universal tool microscope, external thread, geometric measurement.
The major factor in the formation of the temperature error is a high temperature standard 20 °C Or the error caused by DUT with different scale materials .
Shanghai: Shanghai Science and Technology Press, 2010.1 ,in Chinese
[2] Weiwei Qu,Feng Gao,Farong Du and Yu Zhou:Journal of Machine Design.
[3] Xiangfu Tan and Yong Zhou: Journal of Hunan Institute of Sciences and Technology(Natural Sciences) Vol.22 , No.3, Sep. 2009,p.56-58,in Chinese.