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., China 3 Faculty of Textile Science and Technology, Shinshu University, Japan axujianmei2002@sina.com, b bailun@shinshu-u.ac.jp Key words: Normal distribution; Coefficient of variation; Sampling distribution, Raw silk size Abstract.
Acknowledgements This work was imbursed by Nature Science Foundation of Jiangsu Universities (09KJB540003) and the Priority Academic Program Development of Jiangsu Higher Education Institutions References: [1] Zhou Ying, Research and Prospect of Silk Electronic Detection Technology[J], Silk Monthly, 2009, 46(9):43-45,51
[2] Xu Jianmei, Bai Lun, Grading Standards of the Coefficient of Variation in the Electronic Raw Silk Testing[J], Journal of Donghua University, 2007, 24(2):235-239
[8] Zhao Yanhui, Zhang Shuiruo, Xing Ruifang, the Sample Distribution and Hypothesis Test of Coefficient of Variation, Journal of Chongqing Normal University, 2011,28(2):40-42
[9] Xu Jianmei, Bai Lun, Sampling Distribution of the Coefficient of Variation when the Population Takes Normal Distribution , Advanced Materials Research, 2011, 291-294: 3300-3304

The study of magnetite iron ore separation in Qinghai Province Guishan Zheng1, a, Songbo Ma2,b 1College of Earth Science and Resources, Chang’an University, Xi’an, Shanxi, 710054, China 2College of Resources and Civil Engineering, Northeastern University, Shengyang, 110004, China aZ29@chd.edu.cn , bmasongbo_1981@163.com Keywords: Magnetite Iron Magnetic Separation Flotation Separation Stage Grinding.
This design is most effective to produce an extremely clean magnetic concen-trate from relatively coarse materials and is widely used in dense medium recovery systems, and has high efficiency.
International Journal of Mineral Processing. 2005, 77: 116-122
International Journal of Mineral Processing. 1996(47): 197-211
Flotation science and engineering[M].

Modeling Method of Crawler Crane Based on Open Source Engines WU Di1,a, ZHANG Jing 1,b, GAO Shunde 2,c and WANG Xin 2,d 1 Department of Computer Science, Dalian University of Technology, Dalian 116023, China 2 School of Mechanical Engineering, Dalian University of Technology, Dalian 116023, China a wudi831@yahoo.cn, b justin2980@hotmail.com, c gaoshunde@163.com, d wangxbd21@163.com Keywords: crawler crane, modeling method, open source engine.
The Characteristics of Crawler Crane Crawler crane is a kind of mobile crane that is widely used in construction as the primary means of materials transportation and equipment hoisting.
Gino Van Den: Dissertation, Department of Mathematics and Computing Science, Eindhoven University of Technology (1997) [2] A.
Keerthi: submitted to IEEE Journal of Robotics and Automation Vol. 4 (1988), p. 193-203 [5] J.
-Y, Gau: submitted to International Journal of Human-Computer Studies Vol. 58(2003), p. 151-176 [8] P.

The Research of Heterogeneous Entity Association Method Based on MOSS Yongshan Liu1,a, Haihong Lv1,b and Lele Wang1,c 1College of Information Science and Engineering, Yanshan University, Qinhuangdao, China aysulys@sohu.com, bhaixuanlanling@163.com, cWangLeVIP2010@163.com Keywords: MOSS, Heterogeneous Entity, Association, Extended Name Vector.
Journal of Software, Vol. 19, No. 8, (2008), p. 1422-1427 [3] Junzhi Jia and Xiao Han.
Information Science, Vol. 27, No. 6, (2009), p. 924-927,932 [4] Kanungo T, Mount D M and Netanyahu N S.
Applied Mechanics and Materials, Vol. 16-19 (2009), p. 431-435 [6] He Sun and Hong Zhu.
Journal of Software, Vol. 21, No. 4, (2010), p. 672-679

Materials and Methods The experiment was carried out in growth chamber of South China Agricultural University during autumn of 2007.
Food Science, (2000) , p. 42-45.
Journal of South China University of Tropical Agriculture Vol.10 (2004), p. 13-16 (in Chinese) [8] H.
Journal of Nanjing Agricultural University Vol. 13(1990), p. 70-74.
Pant Nutrition and Fertilizer Science, Vol. 10(2004), p. 494-498.

Modal testing study on a complicated housing structure based on pre-test analysis, Journal of vibration and shock
The Experimental Modal Analysis and the Application, Science Press, China 2001
[9] Wenha Shen, Senwen Zhang, Changyou Li, Yuhua Cao and Yaoqiang Kang, Research of structural damage detecting parameters based on experimental mode shapes, Journal of Jinan University(Natural Science), 29 (2008) 268-271
Research on COMAC-like Indicator for Bridge Structure's Damage Detection, The World of Building Materials, 32 (2011).

Table 1 Parameters of the specimens Number Span Thickness of profiled sheet Thickness of floor Uniform load Initial deflection Fire duration B-1 3.4m 1mm 136mm 3kN/m2 2.04 mm 40min B-2 3.4m 1mm 136mm 3kN/m2 2.05 mm 0min 1- studs，2- transverse reinforcements on the top flange of the profiled sheet，3- profiled sheet 4- steel plate，5- distributing bars Fig.2 Construction of the test floor Test Materials.
Acknowledgments This work is supported by National Natural Science Foundation of China (Grant No.51078187), the Science and Technology Plan of Zhejiang Province (No.2008C23013) and NSF of Ningbo City ( No.2009A610138).
References [1] Guo-qiang Li, Lin-hai Han and Guo-biao Lou, in: Fire Resistant Design of Steel and Steel-Concrete Composite Structures, edited by China Architecture & Building Press, Peking (2006) (In Chinese) [2] Shouchao Jiang, in: Research on Fire Resistant Theory and Experiment of Steel-Concrete Composite Floor, edited by Doctoral Dissertation, Tongji University (2001) (In Chinese) [3] Xiaodong Li,Yuli Dong and Ligang Chen: Building Technology Vol.35(4)(2004), p.252 (In Chinese) [4] Jinsheng Han,Wen Cheng, Zhaodong Xu and Yuli Dong: Industrial Construction Vol.36(3) (2006), p.87 (In Chinese) [5] Yiou Chen, Maokun Cheng and Jikang Liu: Journal of Building Structures Vol. 19(5) (1998), p.22 [6] Yankun Zhang, Haijiang Jin and Demin Jiang: Journal of North China University of Technology Vol.20(1) ( 2008), p.80 (In Chines) [7] Yankun Zhang, Haijiang Jin.

Experiment Materials.
Acknowledgements This study was supported by the National Natural Science Foundation of China (40972169).
Journal of Chongqing Jianzhu University, Vol.23(1)(2001), p.114-117.
Environmental Science, Vol.16(2)(2003), p.31-34.
JOURNAL OF GEOLOGY, Vol.33(4)(2009), p.403-410.

Item analysis of self-determined learning motivation Item Question CR Corrected Item-Total Correlation 01 I feel like it’s a good way to improve my skills and my understanding of the material. -5.65*** .484** 02 Others might think badly of me if I didn’t. -7.28*** .526** 03 I would feel proud of myself if I did well in the course
Self-determined learning motivation Dimension Item Cronbach’s α Motivation 14 .868 Acknowledgment This research was supported in part by the Taiwan National Science Council (NSC 99-2511-S-254-001-MY3).
,“Beyond the Classroom Walls:Teachers' and Students' Perspectives on How Online Learning Can Meet the Needs of Gifted Students,”Journal of Advanced Academic, vol .21(4), pp.662-712 (2010)
L., “ Internalization of biopsychosocial values by medical students: A test of self-determination theory,”Journal of Personality and Social Psychology, vol. 70, pp.767-779(1996)
L., “ The effects of instructors’ autonomy support and students’ autonomous motivation on learning organic chemistry: A self-determination theory perspective,”Science Education, vol. 84, pp.740-756(2000).

Markings should use reflective materials.
Ackownledgements This work was supported by Research for Shaanxi Provincal Highway Direction Sign System Settings Technology Science Project of Shaanxi Provincal Transport Department (12-29K).
Zheng: Study of Freeway Ramp Control Strategy, edited by Journal of Wuhan University of Technology, Transporation Science and Engineering (2006)
Han: Simulation of Freeway Entrance Ramp Control, edited by China Journal of Highway and Transport (1997)