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Introduction A structure of high performance fibre nanocomposite materials requires a remarkable collaboration between the fibrous fillers and the matrix.
Nowadays, the direct growth of CNTs on surface of carbon fibres during the surface treatment process has attracted interest among the researchers as the combination of both materials promised a super strong mechanical property for hybrid nanocomposite.
Acknowledgements The work was supported by Ministry of Science and Technology (MOSTI), Malaysia under the eScienceFund grant (Project No: 03-01-04-SF0795).
Tsinghua Science and Technology Vol. 10 (2005), p. 729 – 735
Journal of Physics Condensed Matter Vol. 15 (2003), p.

Acknowledgements This paper is supported by the he National Key Technology R&D Program, China (No. 2011BAF11B00-01), the Important Specialized Science and Technology in Fujian Province University, China (No.2011H6024), Fundamental Research Funds for the Central Universities of China (Grant No. 2011121045, Xiamen university), and also thanks the Science Foundation of Fujian Province of China (No. 2010J05123) for financial support.
Xu: Lin, Mingzhi; Dai, Qunliang: Applied Mechanics and Materials, Vol.121-126 (2012), P. 3456-3460 [4] J.
Kostopoulos: International Journal of Materials and Product Technology, Vol. 41(1-4) (2011), p. 117-127

Considering the number of parts, cost and market price, size and shape, materials selection, processing and assembling process factors, the commonality value can be calculated through the following formula: (1) Where means the number of product varieties, is the cost of part k, is the number of product varieties which include part k, ；, , and represent respectively the ratio that reflects the influence of the size and shape, materials selection, manufacturing process , assembling process of part k, is the number of part k in product i. d is the number of varieties in the part level, is the volume of product i.
Acknowledgements This work was financially supported by the National Natural Science Foundation, China (70772093, 71172055).
Management Science, 1997, Vol.43, pp: 88-111
Chinese Journal of Mechanical Engineering, 2003, 16(3): 334-336.

Material and methods Sampling.
Environmental Science & Technology Vol. 29 (2006), p. 50-53.
Journal of Oil and Gas Technology Vol. 29 (2007), p. 66-69.
International Journal of Coal Geology Vol. 76 (2008), p. 76-85
Environmental Science & Technology Vol. 34(2011), p. 25-30.

Materials and Methods Materials.
Characterization of Materials.
Fourier transform infrared spectra (FTIR) of materials were recorded on a Nicolet FTIR spectrometer in the range of wave number 400 ~ 4000cm-1.
The XRD patterns of materials are presented in Fig. 2.
Journal of Catalysis Today, 175 (2011) 346-355

Formate Esters Containing Biodiesel - Diesel Mixed Fuels Valdis Kampars1a and Anastasija Naumova1b 1Institute of Applied Chemistry, Faculty of Materials Science and Applied Chemistry, Riga Technical University, P.
Materials and Methods 2.1.
Materials The refined rapeseed oil was purchased from the local producer Iecavnieks & Co Ltd.
Series: Materials Science and Engineering 330 (2018), 012092. doi:10.1088/1757-899X/330/1/012092 [18] Q.
Effects of Blending Ratio on the Physical-Chemical Properties of Biodiesel-Diesel Mixed Fuels, Advanced Materials Research 361-363 (2012) 1005-1008

With the continuous development of the process of agricultural modernization, agriculture machinery is more high quality, multifunction, low power consumption and low cost development. 1 The meaning of energy saving and environmental protection design of agricultural machinery The technical advancement of modern science and the rapid development of social productivity have quickened up the course of human civilization.
Materials shall be selected to minimize material types, using less toxic, harmful material and precious scarce materials, try to do a good job of material classification management and waste and scrap recycling.
With the help of environmental protection material selection can achieve product negative impact on the environment is minimized.
The current research work in this area are: environmental protection design for material determination of requirements; environmental protection the principle of selecting materials; material selection factors analysis; environmental protection material development and application of new function ( the Lord of the rings; Paul ) material development and application; recycle and reuse applications. 3 Agricultural machinery green designs The green design of agricultural machinery includs agricultural machinery power green design, green design for hydraulic system of agricultural machinery, agricultural machinery working device of green design and green design of agricultural machinery materials. 3.1 green design of agricultural machinery power device agricultural machinery power for an internal combustion engine, internal combustion engine environment indexes of main problems are: consumption of disposable energy oil; there is noise pollution, air pollution, thermal emission and leakage
Journal of Guidance, Control, and Dynamics. vol.8(1985),p.584-590

Zhang: Journal of Hunan University, Vol. (2014), p99(In Chinese) [4] S.R.
Guo: Applied Mechanics and Materials, Vol. 174 (2012), p1367 [5] J.H.
Yang, LY Lv, ZZ Xiong: Applied Mechanics and Materials, Vol. 53 (2011), p754 [6] Q.
Xie: New Building Materials, Vol. 37 (2010), p58(In Chinese) [10] X.
Zhang: New Building Materials, Vol. 35(2008), p60(In Chinese)

This will not only waste materials ,also increase the hub weight.
For this reason, it need to be done that modify the wheel hub model based on its stress nephogram,so as to reduce weight,save materials and costs.
The following results can be obtained by Fig.11 and 12: ● The deeper the wheel hub is removed materials, the lighter its weitht will be .When the depth of removing materials less than 8mm,the analysis results of three simulation test are all in the scope of the allowable value.
Thus the optimum depth range of removing materials is 8 mm to 9 mm
Journal of Liaoning Technical University, 2010,29(2):283-284 [2] QC/T221—1997.

Materials & Design 30.3 (2009): p. 908-913
Materials Letters, 60(29), (2006)., p.3481-3486
Materials chemistry and physics 24.1 (1989), p. 111-122
Key Engineering Materials.
Materials Park, OH: ASM International (1991), p. 437-47