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Acknowledgement It is a project supported by the Science Items of Henan Province China (082102240009), the Science Plans of Henan Ministry of Education China (2008A560004) and Young Teacher Plans of Henan Polytechnic University (649111).
Journal of Engineering Mechanics,2000,169-171
Journal of Harbin University of technology,2006,38(2):307-309.
Journal of Xi’an University of science and technology, 2008, 28(2):236-239(in Chinese)
Advanced Material Research,2011,Vol.168-170, pp1976-1980.

The Researching on Evaluation Analysis Model about Student's Study Quality Based on Web Yuanqiang Wang 1, a, Shangfu Hao 1,b , Zhihui Wang 1,c and Baili Sun 1,c 1 School of Information Science and Engineering Hebei North University, Hebei, Zhangjiakou 075000, P.R.China.
Acknowledgements This work was financially supported by the Higher Education Research Association of HeBei Province(gjxhz2011-25), Science and Technology Department of Hebei Province (112135119).
Education Journal. 2005,1(4):41-45
Education Journal. 2010,6(4):49-54
Journal of Changchun University of Science and Technology. 2006,29(3):37-41

Acknowledgement The authors would like to thank The National Natural Science Fund(50905034) for their financial support.
Materials Processing Technology, 2001 (113): 399-405
Ray.International Journal of Machine Tools & Manufacture, 2004 (44): 1343–1353
International Journal of Machine Tools & Manufacture, 2009 (49):375–383
Lazoglu.Trochoidal milling.International Journal of Machine Tools & Manufacture, 2007 (47):1324–1332.

Materials and methods Matericals green tea (Jinxuan clone , two leaves and a bud ) Experimental instruments Agilent 1200 HPLC Agilent Technologies Inc.
Journal of Agricultural and Food Chemistry, 56(19), 9225-9227.
Journal of Agricultural and Food Chemistry, 58(3), 1523-1534.
Food Science, 23(6):88-90.
Journal of Tea, 28 (1) , 22-24.

Application of The Vibration to The Top Coal Caving Xuan Xiang Jian1, a, Yong Jun Yang2, b and Yi Lin3, c 1,2 School of Environment and Spatial Informatics, China University of Mining and Technology, Xuzhou Jiangsu, china, 221116 3 School of Materials Science and Engineering, China University of Mining and Technology, Xuzhou Jiangsu, china, 221116 ajanexuanxiang@cumt.edu.cn, byangyongjuncumt@163.com, c378565871@qq.com Keywords: top coal caving, recovery ratio, arch structure, vibration, control system, industrial experiment Abstract.
The coal is considered as brittle material.
Journal Of China Coal Society.
The Chinese Journal of Nonferrous Metals(2004) NO.3 , p. 661(in Chinese) [5] J.L.
Chinese Journal of Rock Mechanics and Engineering.

Application Analysis of Pile Foundation Ground Source Heat Pump System Yunzhun Fu 1, a, Xinhui Du1, a, Xu Zhang2,b 1 School of Mechanical Engineering, Shanghai University of Engineering Science , Shanghai, 201620, China; 2.
The bored pile adopted single U-type , heat exchanger adopted high density HDPE pipe,and backfill material was cement paste.
It concluded equipment purchase cost, engineering material cost and auxiliary material cost, engineering installation cost, project management cost and taxes.
[5].L.Laloui, M.Nuth, L.Vulliet, Experimental and numerical investigations of the behavior of a heat exchanger pile, International Journal for Numerical and Analytical Methods in Geomechanics, 2006, 30 (8)：763-781
[6]Qiang Zhu, Xinguo Li, Jun Zhao, Experimental study on ground heat exchanger with different buried method, Journal of North Chian Electric Power Uniwersity, 2004. 11, Vol. 31(6): 60-64.

The noise magnetic fields can be divided into two parts: hard magnetic material and soft magnetic material caused magnetic field.
The soft magnetic fields are produced by soft magnetic material such as circuit and coil in the IMU system.
Chinese Journal of Sensors and Actuators, 2007, 6: 031
Journal of guidance, control, and dynamics, 2000, 23(6): 1085-1087
JOURNAL-NANJING UNIVERSITY OF SCIENCE AND TECHNOLOGY, 2002, 26(4; ISSU 125): 376-380

It is assumed that the soil has no material damping.
For the chosen material data if the spring force exceeds the pre-defined friction force Fr, sliding takes place and consequently energy will be dissipated.
Journal of Faculty of Environmental Science and Technology, Okayama University 2004; 9: pp 111-116
[8] Adam, M., and Chouw, N., “Reduction of footing response to man-made excitations by using a wave impeding barrier”, JSCE Journal of Applied Mechanics, Vol. 4, 2001, pp. 423-431
Research Journal, Faculty of Engineering (Mattaria), Helwan University, Egypt, 82, 2002, pp. 59-75

The self-excited vibration characteristics of this new technology can enhance the rate of debris removal, improve the discharging gap effectively, and thus raise the material removal rate.
Acknowledgments The work is supported by a grant from the National Natural Science Foundation of China (Grant No.: 50775128) Reference [1] K.Liu, E.Ferraris, J.Peirs.
The International Journal of Advanced Manufacturing Technology. 4(2009):1-4
JOURNAL OF SHANGHAI JIAOTONG UNIVERSITY. 1(2008):83-87
Journal of materials processing technology. 209(2009):1826-1834

In this experiment, Mikron 600U was used, 25# transformer oil was used as cooling fluid, tool was 10mm ball end mill, material of impeller was 2A70 aluminum alloy.
Fig.9 Cutting force distribution in one cutting cycle with feed speed 2000mm/min References [1] M.J.Feng, X.H.Wang, C.Zhao and G.B.Bu: Lecture Notes in Computer Science Vol.5315(2008) No.2, p.1030-1037 [2] R.j.Liang, N.S.Wang and C.Y.Jiang: Journal of Nanjing University of Aeronautics and Astronautics Vol. 40 (2008)No.1, p. 89-93
Zuo: Key Engineering Materials Vol.375-376(2008), p. 390-403
-D.Bouzakis, P.Aichouh and K.Efstathiou: International Journal of Machine Tools & Manufacture Vol.43 ( 2003) No.5, p. 499-514 [6] M.Hashimoto, E.Marui and S.
Kato: International Journal of Machine Tools and Manufacture Vol. 36 (1996) No.2, p. 183-201