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Acknowledgement: This work was supported by Science Research Funds (Grant No.
Current trends in material management in the shipbuilding industry[J].
International Journal of Computer Applications in Technology, 2003,(1).

basic data The basic parameters were used in the calculation: (1) the pipeline material were X-70 steel; E=210GPa; MPa; yield limit; ultimate strength MPa; Literature References
International Journal for Numerical Method in Engineering, 14(1998), p. 960～985 [3] R.W.
Beijing: Science Press, 1981 [4] Roy.R.Craig.Jr often Ling trans.

References [1] Wang XiangZhong, Wu Xiaojie, Chai Jianyuan,,characteristic analysis of wind induction generator with RCC, ACTA ENERGIAF SOLARIS SINICA[J],2005,Vol.24(4):447-451; [2] XIA Chang liang, SONG Zhan feng, Rotor current control of doubly –fed induction generator disturbances rejection controller, Advanced Technology of Electrical Engineering and Energy[J],2007, Vol.26,No.3:21-24; [3] WANG Xudong, XIONG Guangyu, Simulation Research of Doubly - Fed Induction Wind Generator Based on Disturbance Injection Method of Power Control, Computer Simulation[J], 2008, Vol.25(11):256-260; [4] Jin Chen, Jin Zhou, Xiaoou Hong ,Guanling Chen, Zhifeng Wang, PID Pan-Boolean algebra control, Journal of Central South University(Science and Technology),v40,n SPPL.1,p154-157,September 2009
[5] Chen jin, Wang huiling, etc., Research on the temperature control of thermal properties experiment of superconducting material Physica c: Superconductivity and its Applications, 386(2003), pp.544-546

It is a very rare material for researching on the organization, civil production and life of China and on the village management system, the business activity, the safe defense and so on.
Acknowledgement: This study was supported by National Natural Science Foundation (Code:51108294)Researches on the settlement form and the protection and utilization of the floor-type stone cave-house.
References: [1] Wang Chongen,; Zhu Xiangdong, The Construction Technique of the Ancient Atone Cave-house at Diantou Village of Shanxi, Traditional Chinese Architecture and Gardens, 2010.2 [2] Wang Chongen,; Zhu Xiangdong, Analysis of Spatial Patterns of Residence Buildings in Certain Historical Period——Diantou in Shanxi Province for Example, Journal of Taiyuan University of Technology, 2010.4

Construction Control and Simulation Analysis of Long-Span Cable-stayed Bridge Fangwen WU1,a, Chengfeng XUE2,b 1 Associate Professor, Faculty of School of Highway, Chan’An University, Xi’an, China 2 School of Civil Engineering and Architecture, Southwest University of Science and Technology , Mianyang, China awufangwen2004@163.com, bChfxue2008@163.com Keywords: Bridge Engineering ; Cable-stayed Bridge ; Construction Control ; Forward Calculation Method; Backward Calculation Method; Unstressed State Control Method Abstract: Simulation analysis is the basis for construction control of cable-stayed bridges, it monitors the process of the bridge construction.
The conditions such as elastic modulus of the material, component weight, concrete shrinkage and creep, temperature changes and temporary construction loads are difference from the actual construction parameters.
Journal of Railway Engineering, 2009,10:6-9 [6] Qin Shunquan.

Maximum equivalent stress is 3.384MPa, far less than the yield strength of the material.
Acknowledgements The Authors gratefully acknowledge the financial support of Liaoning Province Natural Science Fund (Grant No. 20082150).
References [1] Zhiyuan Liu, Yuan Zheng: J.China Rural Water and Hydropower, vol.28(2009), p.135 [2] Naixiang Xu, Yulin Wu: Centrifugal Pump (China Machine Press, Beijing 2003) [3] Shue Song, Chi Ma, Xinghe Pan, Baoliang Li and Qinyu Jiang:J.Journal of Da Lian JiaoTong University, vol.30(2009), p.26 [4] Xiaoqing Cong, Qian Yuqin,Yuan Danqing.

Optimizing Online Assignment of Harvesting Jobs to Trans-regional Combines Ling Sun1, a, Zesheng Zhu2, b 1 JiangSu Academy of Agricultural Sciences, Nanjing, 210014, China 2 Naval Command College, Nanjing, 210016, China aemail: lingsun60@gmail.com, bemail: zesheng.zhu@gmail.com Keywords: Harvesting Jobs; Combine Harvesters; Online Optimal Assignment Abstract.
Material and Methods This study was undertaken in Suining Country, Jiangsu Province, China during 2008/06.
European journal of Operational research, 2009, 196(1): 1-20

It’s closely related to the breakdown process of the cable insulation material.
Journal of Chongqing University (Natural Science Edition), 2002(04)

(3) The yield stress in plane strain is known as (4) where k is the shear strength of the material.
Acknowledgments Project supported by the National Natural Science Foundation of China (51175133).
W.: Journal of Tribology, Vol. 116 (1994), p.640-647 [5] Tlusty, J., and Chandra, G., Critchley, D., Paton, D.: Annuals of C.

Interstitial material constitutes 5-40% of the sandstone volume, with matrix and authigenic mineral being the most abundant one.
Blackwell, Science, Olford, 2000, pp. 103-117
Journal of Sedimentary Research, 66 (1999) 147-154