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Common selection operators have roulette selection, random selection, the best competition selection of reserves, this model, using genetic algorithm toolbox of senior population function for selection process, and determined the generation gap for ; 5) The crossover operation, in the genetic algorithm to produce new chromosome is the basic operation of the chromosome cross (also called genetic restructuring), cross which new individual has a part of both parents genetic material.
China safety science journal.
Journal of hydraulic engineering, Vol. 37 (3) (2006), p. 308-313
Xian: Xian university of electronic science and technology press (2005)
Journal of Chang’an university ( natural science edition), Vol. 25 (6) (2005), p. 62-65

College of civil engineering and architecture, Southwest university of science and technology, Sichuan province MianYang China, 621010) aemai:hexin@126.com, bemai: yangchunhui1969@sina.com.
Within a certain time, due to the limited nature of the promotion places and authority positions government financial and material resources, and therefore, the game between the executives are often zero-sum game, that is, one participant get the other one loses.
Reference: [1]Yubo Wang, Overall Plan Game Governance of Land Use of Central and Local Government, Journal of Nanjing Agricultural University (edition of social science), 2011,4
[3]Jian lou, Haoqiang deng,Game Analysis of Urban Idle Land Market Configuration, Journal of Tongji University (edition of social science),2007,1
[5]Tao zhou, Qingyuan yang, Lei feng, Game Analysis of Urban Wholesale Lease Land Market: Benefit Motives and Governmental Action Process,China Land Science,2006,4.

A Rails-Framework-Based Information System Study of Auto Leasehold Management Fengling Wang 1,a, Yuanyi Zhang 2,b, Xiang Yang 3,c 1 School of Information Engineering, Nanning College for Vocational Technology, Nanning , China. 2 School of Architecture, Fuzhou University, Fuzhou, China. 3 School of Information Science & Engineering, Guilin University of Technology, Guilin, China.
Therefore, the development of an information system of car rental management, on the one hand it can make the car rental business across the region and the time to carry out, and strengthen the standardized management of car rental, improve the management level and the information degree of the car rental industry, on the other hand, it can rational use of human and material resources to effectively manage the business and relationships, shorten sales cycles, reduce sales costs and increase revenue.
Journal of Jiamusi University(Natural Science Edition),Vol.21,141～144 (2003)
Journal of Shandong Institute of Light Industry(Natural Science Edition) ,Vol.22(1),95～98(2008)
Journal of Guizhou University of Technology(Social Science Edition) ,Vol.9(5):116～118(2007)

(1) Theis angular rate around Z-axis; theandare acceleration of inertial space; theandare speed of inertial space.The forceandare decided by the constraining force and damping force of material and the external force caused by the election, magnetism and the mechanical transducer.
Acknowledgements This work was supported by the National Natural Science Foundation of China (Grant No. 51175535 and 60907041), Key Science and Technology of Chongqing Council (Grant No. 2011GZ0017 and cstc-2012jjB40003) and Science Research Foundation of Chongqing Education Council（Grant No.KJ110507 References [1]Yu Liu, Jun Liu, Leilei Li and Yingjun Pan(2011)‘Design and evaluation of a vibration sensor for measurement while-drilling’ Int.
[3]Xu, Y., S, Wang, S.R., Ji, X.S. and Sheng, P., (2006)‘Analysis on quadrature error of micromachined vibratory gyroscope’, Chinese Journal of Scientific Instrument, Vol. 27, No. 6, June, pp. 105-107
P., Li, L.L. and Pan, Y.J. (2011)‘Analysis on Dynamic Characteristic and Error of Solid Vibration Beam Rate Sensor’, Journal of Mechanical Engineering, Vol.47, No.4, February, pp.7-12
[6]Zhang, Q., Dong, L.l., Gao, Z.Q. (2007)‘A Novel Control System Design for Vibrational MEMS Gyroscopes’, Sensors & Transducers Journal, Vol.78, No.4, April, pp.:1073-1082

Chemical constituents from Cremanthodium potaninii Ai-MeiYang1,2, Wei-Jie1 Guo, Yan Zeng 3, Hong-Fei Gong3, Rui Wu 1 1College of Life Science and Engineering, Lanzhou University of Technology, Lanzhou, 730050, People’s Republic of China, fax number: 86-931-2973924 2Institute of Lanzhou Animal Science and Veterinary Pharmaceutics, Chinese Academy of Agricultural Sciences, Gansu Lanzhou 730050, People’s Republic of China 3Qingyang City Hospital, Gansu, Qingyang,China aE-mail: aimeiyang@163. com, bE-mail: 306568324@qq.com, cE-mail:zengyan1027@163.com dE-mail: ghf6151259@163.com, eE-mail: wurui1986@lut.cn Keywords: Cremanthodium potaninii, Chemical constituents, Extraction and separation Abstract.
Plant material Cremanthodium potaninii was purchased from Qinghai Kumbum Monastery in Xining Tibetan Hospital, identified by Zhang Guoliang, professor of Lanzhou University, specimens has been deposited at Laboratory of Natural Drug of College of Life and Engineering，Lanzhou University of Technology, Lanzhou, China, sample No. 2009-11.
Chinese Journal of pharmaceutical industry, 1994, 25 (6): 252-255
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Materials: HI-1 dye, blend yarns of wool and cashmere (90/10) 1g of HI-1 was put into a beaker and 10ml n-propanol was added.
Standard and test of the wool fibers [M].Bei Jing:China Textile Publishing Company,1997 [2] ZHENG Zhi-ming Study on quick test of blend ratio of cashmere and wool with computer,Wool Textile Journal,2005(10):44-46 [3] QingYuan Computer Studio 《MATALAB6.5 Senior Application-Graph and Picture Processing》 Mechanical Industry Publishing Company [4] Ni Guanju, Zhang Yi.
The identification of fine-wool and cashmere[J], Advanced Textile Technology,2004,12(4):40-42 [5] Zhao Guoliang, Xu Jing.Identification of wool and cashmere with near infrared spectroscopy technology,Wool Textile Journal, 2006(1):42-44 [6] Yang Jian-zhong, Wang Rong-wu Image processing and identify of surface structure of cashmere and wool,Wool Textile Journal,2002(5):12-15 [7] Xie Liqing, Yu Weidong.
Study on Application of Image-Processing Technique in Measuring Blend Ratio of Ramie/PET Yarns [J], Shanghai Textile Science & Technology,2002,30(6):62-64 [8] Yu Xufen Wu Zhaoping Research on the image Processing System to Measure the Blending Ratio of the Cotton and Flax China Textile University Transaction,1998,24(1):41-45 [9] FeiSi Technical Product Research and Development Center 《Auxiliary Picture Processing of MATLAB6.5》 Electronics Industry Publishing Company

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Study of spatial ellipsoid helix interpolation algorithm based on multi-axis lathe Xiaoping Yang1, a *, Zhimin Zhou2,b , Yijin Gu3,c and Lixin Wang4,d 1Room 207B, building D, HIT Campus of University Tow of Shenzhen, Shenzhen, China 2Full Room 505, building 5, HIT Campus of University Tow of Shenzhen, Shenzhen, China 3University Town of Shenzhen, Shenzhen, China 4Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China axpyang8@126.com, b1413303695@qq.com, c765218518@qq.com, d756936302@qq.com Keywords: Central angle division method; ellipsoid helix interpolation Abstract.
An NC tool path translator for virtual machining of precision optical products[J ].Journal of Materials Processing Technology , 2003(140):211-216 [2]RidaT.Farouk,Jairam Manjunathaiah,Guo-fengYuan,G Codes for the Specifiction of Pythagorean-HodograPh Tool Paths and Assoeiated Feedrate FunetionsonOn Open-Arehiteeture CNC Machines[J].Intemational Journal of Maehine Tools&Manufaeture,1999,39:123-142 [3]Uddin M S, Ibaraki S, Matsubara A, et al.
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Introduction With the development of permanent magnetic materials and control technology, larger power permanent magnet synchronous motor has been applied into the electric ship propulsion fields [1].Nowadays, there are two most important AC motor control techniques : the direct torque control and the vector control.
References [1] Chongjian Li, Adjusting Speed System of Synchronous Machine.Beijing, China: Science Press (2006) pp. 288-292
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Journal of IEEE Transactions on Power Electronics, 2004, 19(2) : 346 – 354
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Longitudinal Seismic Forces of Long-span Bridge Bing Bai1, a, Zeyu Wu2, b and Xiaoshan Deng1, c 1Faculty of Civil Engineering and Architecture, Kunming University of Science and Technology, Kunming 650233, P.
From these materials, the design spectrum can be worked out [1-3].
Sun: China civil engineering journal, Vol. 38 (2005), p.78.
Yang: Journal of Zhengzhou university, Vol. 26(2005), p25.
Shen and L Yang: Journal of Fuzhong university, Vol. 24 (2005), p.182.