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Therefore, we should increase the proportion of education, psychology and teaching materials courses.
[2] LI Yang, “Effects and supports of campus net on reform of college P.E.”, Journal of Wuhan Institute of Physical Education, vol.37(4),174-176,2003
[3] ZHOU Yong, “Research on Online Sport Teaching System Based on the World Wide Web”, Journal of Beijing University of Physical Education, vol.27(7),2004
[4] Lin Ren-hong et al, “Auxiliary Use of Computer in Physical Education”, Fujian Sports Science and Technology, vol.25(4), 2006
[5] YANG Yaqin, YU Hui, ” Design and Realization of Management System ofSports Selective CoursesBased on WWW”, JOURNAL OF BEIJING UNIVERSITY OF PHYSICAL EDVCATION, vol.23(3), 2000

Martins Materials Science Department/CENIMAT, Faculty of Sciences and Technology of New University of Lisbon and CEMOP-UNINOVA, Campus da Caparica, 2829-516 Caparica, Portugal a elvira.fortunato@fct.unl.pt Keywords: ZnO thin films; transparent conductive oxides; UV/ozone sensors; rf magnetron sputtering.
It is now possible to obtain highly pure materials, resulting from concentrated studies on oxide semiconductors, especially in the 80s.
With these three unique properties, ZnO could be one of the most important materials in future research and applications.
Journal of Applied Physics Letters 42, L435 (2003)
Martins, Advanced Materials 17, 590 (2005)

At present, the research on the ERT mainly includes two aspects: the algorithm of imaging is gradually improved; the other is the materials of the matrix to improve the concrete performance.
Currently, the technology has been widely used on medical science, the earth physics and mineral [2].
Table 1 lists the main raw materials used in the experiment and their dosage.
Shao, Study of electrical resistance tomography, J, Chinese Journal of Scientific Instrument,22,2,195-198.(2001) [3] G M.
Daily, Electrical resistance tomography for imaging concrete structures, Structural Materials Technology an NDT Conference, San Diego, Feb 20 ~ 23.(1996) [4] R.J.

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.
Press of Harbin Institute of Technology （1989） [11] Wu Xuncheng, Hu Ning, Chen Zhiheng: Chinese Journal of Mechanical Engineering， Vo1.41 （2005）, p.81

Other raw materials were supplied by Shera Public Company Limited.
Jaturapitakkul, An investigation of bottom ash as a pozzolanic material, Construction and Building Materials 186 (2018) 155-162
Karakurt, Properties of the autoclaved aerated concrete produced from coal bottom ash, Journal of Materials Processing Technology 209(2) (2009) 767-773
Pakaypan, Effects of the Chemical Treatment on Coal-Fired Bottom Ash for the Utilization in Fiber-Reinforced Cement Composites, 10th International Conference on Materials Science and Technology, Bangkok, Thailand, 2018
Chawla, Mechanical Behavior of Materials, second ed., Cambridge University Press, [12] P.

Larionov Institute of Physical-Technical Problems of the North Siberian Branch of the Russian Academy of Science, Oktyabrskaya st, 1, Yakutsk, 677890, Russia 2Department of Materials Science, V.P.
The specific surface area of nanopowder materials "Tarkosil".
Gleiter, Nanostructured materials: basic concepts and microstructure, J.
New materials, NIT, Moscow, 2002
Iranian Journal of Materials Science & Engineering. 8 (2011) 48–56

Experimental Materials and specimens.
Wang, Experimental study on creep-fatigue interaction behavior of GH4133B superalloy, Materials Science and Engineering: A 515 (2009): 183-189
Reed, Microstructure effects on high temperature fatigue crack initiation and short crack growth in turbine disc nickel-base superalloy Udimet 720Li, Materials Science and Engineering: A 448 (2007), 67-79
Melin, Characteristics of short fatigue crack growth in the vicinity of a low angle grain boundary, International Journal of Fatigue, 36 (2012), 59-67
McDowell, Microstructure-sensitive probabilistic modeling of HCF crack initiation and early crack growth in Ni-base superalloy IN100 notched components, International Journal of Fatigue 37 (2012), 41-53

Journal of Alloys and Compounds, 261, 295-298
Fuel Science and Technology International, 14(10), 1433-1446
[25] de Vries, M. (2008) 'Biocoke'-sustainable materials for carbon anodes.
[39] Belov, N.A. and Zolotorevskiy, V.S. (2002) The effect of nickel on the structure, mechanical and casting properties of aluminium alloy of 7075 type, Materials Science Forum, 935-940
Materials and Manufacturing Processes, 20(2), 231-243

DTA was measured the temperature difference between the reference materials and measured material under the controlled temperature program.
In the preparation of various materials by using mineral, high temperature decomposition is often involved.
Science & Technology Review. 2009, 27(22), 66-71
Journal of Changchun University of Science and Technology, 2000, 30(1): 90 – 93
Nanjing: Nanjing University of Science and Technology, 2006: 11-12

In 2001, Dance C Brent and Hackel Lloyda et al [3] in US Livemore national key laboratory discovered that melt materials by gas form partial tensile residual stress by laser ablation marking, and this is a original source of fatigue crack or stress eroding crack.
Pacheco and et al: Applied Surface Science, Vol.208-20 (2003), pp.194
Zhu: Journal of Materials Processing Technology, Vol.139 (2003), pp.273
Chen: Science In China (Technological Sciences), Vol.31 (2001), pp.13
Department of Energy's Lawrence Livermore National Laboratory: Science and Technology Review, (2001)