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Introduction With development of surface engineering technique, various materials owing superior properties have been prepared on the surface of the different substrate materials and applied in many fields.
Nondestructive techniques seem to provide a possibility to inspect the properties of the materials with special surface.
Principle and Method Comparing with the bulk materials, due to the thin layer and different interfaces, ultrasonic signal from the surface materials is much more complicated.
Thoen: International Journal of Engineering Science, Vol.41 (2003), pp. 219-228
Zhang: Materials Evaluation, Vol. 61 (2003), pp. 512-516

Therefore, researches on wear resistant materials have been carried out to improve the working efficiency and service life of driller [5-8].
Experiment Materials and Procedures Materials and Properties.
Gu: Journal of Shenyang University of Technology, Vol. 6 (1987), p. 65-69 (In Chinese) [6] N.
Andren: Materials Chemistry Physics, Vol. 57 (2001), p. 203-208 [8] A.
Peter, et a1: International Journal of Refractory Metals ＆ Hard Materials, Vol. 18 (2000), p. 307-322

The machining experiment is done on the fly cutting machine (shown in Fig.1), and the material of cutting tool is natural diamond.
Acknowledgment Special thanks to National Nature Science Foundation of China (the serial number: 51275115) and National Science and Technology Major Projects "high-end CNC machines and basic manufacturing equipments (the serial number: 2011ZX04004-041).
International Journal of Mechanical Sciences, 2001, 43(4): 961-991
Journal of Harbin Institute of technology, 2014 (5)
International Journal of Machine Tools and Manufacture, 2010, 50(4): 374-385.

The following measures can be taken according to the reasons of plug. (1)The concentration of brine should be strictly controlled and the best salinity is between 290g/L and 300 g/L. (2)Operators should fulfill the operation procedure seriously and can not unauthorized absent from work and record the process parameters. (3)The pipes should be protected by heat insulation material from water distribution station to the well head when the temperature is below the zero in winter. (4)The internal surface of pipes and sluice valve should be smooth and the number of bent joints should be reduced as less as possible.
Acknowledgements This research was supported by the Nation Basic Research Program of China(2009CB724606), Chinese Science Foundation (51074198), Science Fund for Creative Research Groups of the National Natural Science Foundation of China (50621403), Chongqing Natural Science Foundation (No.2010BB6044).
Chinese Journal of Rock Mechanics and Engineering, 2009, 28(10): 2068-2073
Chinese Journal of Rock Mechanics and Engineering, 2007, 26(1): 2678-2686
Journal of Liaoning Technical University, 2006, 25：114-116

Experimental research on combustion and emission performance for micro combustor of MTPV system with stratified porous media Jian Wu,Bo Li,Bin Xu,Jia-xuan Miao (College of Vehicle and Power Engineering;Henan University of Science and Technology, Luo yang,471003,China) Key word: Micro-combustor;Stratified porous media;Wall temperature;Emission performance Abstract: As the critical component of the system, micro-combustor requires a high and uniform temperature distribution along the wall to meet demands for the band gap of the PV cells.
The burner uses the structure of cylindrical pipe, which choose the Al2O3 material.
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (56976028).
[2] Wentao Rao (Sichuan Metallurgy (2010)) [3] En-yu Wang (Journal of Combustion Science and Technology (2004)) [4] Hai Jiang Experiment and Numerical Simulation of Porous Medium Combustion (2008) in Chinese [5] En-yu Wang,Le-ming Cheng（Journal of Zhejiang University（Engineering Science）（2002）） [6] Information on http://d.g.wanfangdata.com.cn/Conference_6845018.aspx [7] Sheng Wang , Shu-dong Wang（Journal of Fuel Chemistry and Technology（2006））

Krumme, in: Proceedings of SPIE: Smart Structures and Materials Conference, edited by C.D.
Steve, in: Proceedings of SPIE: Smart Structures and Materials Conference, edited by C.D.
[4] Hongwei Ma and Chongdu Cho: Materials Science and Engineering A.
[5] Yuhong Ling, Huihong Peng and Shuai Zhuang: Journal of South China University of Technology: Natural Science Edition.
[6] Yuhong Ling, Huihong Peng and Shuai Zhuang: Journal of South China University of Technology: Natural Science Edition.

Over the years age-hardenable super-high-strength aluminum alloys belonging to the Al-Zn-Mg-Cu family have proved useful as aircraft structural materials primarily because they combine unique advantages of low density, high strength and other superior performance in many aspects[9] .
Materials Science and Engineering ,2000, A280,p.102-107 [10] B.Cina,U.S.
Metallurgical Transactions A (Physical Metallurgy and Materials Science), Vol.14(1983),p.1843 [13] J.K.
Sci., Vol.16(1981),p.1437- 1442 [17] ZHANG Kun, LIU Zhi-yi, FENG Chun.The Chinese Journal of Nonferrous Metals ， Vol.15(2005), p.116-122 [18] FENG Chun, LIU Zhi-yi, NING Ai-ling, Zeng Su-min.
Journal of Central South University(English edition),Vol.37(2006),p.346

The raw materials for the OFL will be derived from sustainable resources as much as commercially feasible.
Tsutsui, Effect of water based lubricants on wear of coated material, Wear, vol. 249, pp. 50-55, 2001.
Aurich, Formulation of sub-zero metalworking fluids for cutting processes: Influence of additives, Journal of Manufacturing Science and Technology, vol. 31, pp. 25-33.
Lenard, Metal Forming Science and Practice, Elsevier Science, 2002
Janols, Developing environmentally friendly rolling lubricants, Journal of Engineering Tribology, vol. 225, pp. 932-939, 2011.

Compared with the traditional method based on Newton theory and linear system theory, Complex science offered a new thought.
It exchanges material, energy and information with the complex environment in order to increase the adaptive ability.
We should choose the correct thought model and with the help of methods offered by complex science at the beginning of the research.
Complex science research, Democracy and Construction press,1999,125-128
XICOMASQ: An XML-based Information Content Oriented Multi-Agent System for QoS management in telecommunications networks, Web Intelligence and Agent Systems, An international journal, Vol. 2, 55-70,2004.

In recent society, the lap joint that is one of the joint techniques in the industrial society is used for the purpose of joint with the material and the material or the material and the metal and dissimilar materials.
The temperature in the adhesive layer is constantly maintained with the adhesive that calls the mother material.
[2] M.Papini,G.Fernlund & J.K.Spelt, Effect of crack-growth mechanism on the prediction of fracture load of adhesive joints, Composition Science and Technology, 52-4(1994), pp.561-570
[3] R.Yuuki,J.Q.Xu, Boundary element analysis of dissimilar materials and interface crack, Computational Mechanics, 14-2(1994), pp.116-127
[4] E.Lyons,J.J.Leahy & K.Hayes, A study of ageing in acrylic adhesives, International Journal of Adhesion & Adhesives, 21(2001), pp.35-40