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Therefore, it is necessary to have other materials to improve the energy bandgap of ZnO.
Ezati, Journal of Colloid and Interface Science 514, 70 (2018)
Yadav, Materials Letters 152, 189 (2015)
Zolriasatein, Progress in Natural Science: Materials International 22, 273 (2012)
Kaewsongpol, Materials Letters 87, 142 (2012).

The study showed that the companies in the electrical and electronics industry that purchased material of a case study could not deliver materials on time from such purchase order.
Therefore, the frequency of transportation to deliver products shall be increase to minimize shortage of raw materials.
After returning material for packaging,the recycling materials are plastic bag and paper boxes.
Truong, Evaluation the drivers of green supply chain management practices in uncertainty, Procedia - Social and Behavioral Sciences. 25 (2011) 384-397
Treetos, Green Supply Chain Management, Journal of Ladkrabang. 30 (2013)

Progress in Materials Science, 46 (2000), p. 505 [3] J.
Yang: Cracks in functionally graded materials.
Materials Science & Engineering, A362 (2002), p.2 [6] M.
Submitted to Journal of Biomedical Materials Research (2010) [8] Y.
Jeandin: Damaging of materials by bi-dimensional dynamic effects.

Discoveries of very constant nanometer size sp2 carbon bonded materials such as graphene, fullerenes, and carbon nanotubes have encouraged to make inquiries in various fields.
Titanium(IV) oxide has become one of the important materials in several different fields including medicine, dentistry and photocatalysis.
Experimental Materials and methods.
Kadam: Asian Journal of Pharmaceutical and Clinical Research Vol.2 (2009), p. 17 [4] S.B.
Andrews: Critical reviews in solid state and materials sciences Vol 26 (2001), p. 145 [5] https://no.wikipedia.org/wiki/Sumio_Iijima, accessed 15.

This indicates that the low temperature reaction may have a seeding effect and the formation of spinel by nano-powders will lead to the bulk materials becoming more reactive.
Ghosh, Reaction sintering of different spinel compositions in the presence of Y2O3, Materials Letters, 58 (16), 2004, pp. 2186-2191
Sarkar, Preparation of MgO-MgAl2O4 composite for refractory application, Journal of Materials Processing Technology, 189 (1-3), 2007, pp. 279-283
Dowding, Nanoparticulate materials densification, Nanostructured Materials, 7 (7), 1996, pp. 749–768
Mukhopadhyay, Improvement of thermal characteristics of refractory castable by addition of gel-route spinel nanoparticles, Materials and Manufacturing Processes, 22 (7), 2007, pp. 81-90

Starke, International Conference on Al–Lithium alloys, Materials & Composites Engineering Publications Ltd., Birmingham, UK (1989)1–40
Rohatgi, Cast aluminum-matrix composites for automotive applications, Journal of Materials 43 (1991)10-15
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Lau, Dry Sliding Wear of TiB2 Particle Reinforced Aluminium Alloy Composites, Material Science and Technology 16 (2000) 99–102.

Park, Materials Letters, 2009. 63(1): p. 145-147
Hahn, Materials Letters, 2008. 62(1): p. 167-171
Yang, Advanced Materials, 2001. 13(2): p. 113-116
Yang, Applied Physics A: Materials Science & Processing, 2009. 97(4): p. 869-876
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Function-oriented Design and Verification of Point-contact Tooth Surfaces of Spiral bevel and Hypoid gears with the Generated Gear Wu Xuncheng a, Li Cong b College of Automotive Engineering, Shanghai University of Engineering Science, Shanghai 201620, China a wuxuncheng@yahoo.com.cn, blicong@ae.buaa.edu.cn Keywords: Spiral bevel gear, Hypoid gear, Generated gear, Point-contact tooth surface, Function-oriented design, Verification Abstract.
References [1] Litvin F L, Gutman Y: ASME Journal of Mechanical Design, Vo1.103(1981) , p.114 [2] Dong Xuezhu: Journal of Beijing Agricultural Engineering University， Vo1.10（1990）, p.16 [3] Tian Xingbin, Fang Zongde: Journal of Aerospace Power， Vo1.15（2000）, p.75 Table 3 Verified results No. 1 2 3 1 )2( 1 dd ϕs (mm.rad 1− ) -17.578 -17.361 -16.840 1 )2( 2 dd ϕs (mm.rad 1− ) 0.0 0.0 0.0 121 dd ϕi (rad 1− ) -0.004 -0.004 -0.004 [4] Wu Xuncheng, Mao Shimin, Wu Xutang: Chinese Journal of Mechanical Engineering， Vo1.36 （2000）, p.70 [5] Su Zhijian, Wu Xutang, Mao Shimin, et al: Journal of Xi'an Jiaotong University， Vo1.39（2005 ）, p.17 [6] Wu Xuncheng, Chen Zhiheng, Hu Ning: Chinese Journal of Mechanical Engineering， Vo1.41 （2005）, p.97 [7] Cao Xuemei, Fang Zongde, Zhang Jinliang, et al: Chinese Journal of Mechanical Engineering， Vo1.43（2007）, p.155 [8] Cao Xuemei, Fang Zongde, Xu Hao, et al: Chinese Journal of Mechanical Engineering， Vo1.44 （2008）
, p.209 [9] Wu Xuncheng, Li Cong, Zhang Ruoping, et al: Advanced Materials Research， Vo1.44-46 （2008）, p.495 [10] Zeng Tao: Design and machining of spiral bevel gears.
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Microstructure and electrochemical properties of La0.35Ce0.65Ni3.8-xCo0.8MnxAl0.4 hydrogen storage alloys Baozhong Liu1,a, Mengjuan Hu1,b, Yanping Fan1,c, Anming Li1,d School of Materials Science & Engineering, Henan Polytechnic University, Jiaozuo 454000, China abzliu@hpu.edu.cn, bhumengjuan05@126.com, c ypfan@hpu.edu.cn, d anmingli2001@sina.com Keywords: Hydrogen storage alloy; High-rate dischargeability; Phase structure; Electrochemical property; Ni/MH batteries Abstract.
Introduction AB5-type (Original LaNi5) hydrogen storage alloys are widely used as the negative electrode materials in commercial nickel/metal hydride (Ni-MH) batteries [1].
Especially when the alloys are used as negative electrode materials of high-power batteries, the high-rate dischargeability (HRD) is a critical criterion of evaluating properties of hydrogen storage alloys.
Thus, Mn has been considered as promising metal for negative electrode materials because it lowers the equilibrium pressure, and enhances the surface characteristic and the HRD of the alloys.
Wu: Journal of Rare earths Vol. 27 (2009), p. 853

It also abated that the bonding force among the active material.
What is more, the active materials are loss.
Suzuki, et al: Progress in batteries & battery materials, Vol. 16(1997), pp. 350-359
Zou, et al: Wuhan University Journal of Nautral Sciences, Vol. 5(2000), pp. 474-478
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