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Method of Traffic Zone Division Based on Trip Distance Shimei Wu a, Guozhu Cheng b* and Yulong Pei c School of Transportation Science and Engineering, Harbin Institute of Technology, 73 Huanghe Road, Harbin 150090, China a superwushi2@hotmail.com, bguozhucheng@126.com, cyulongp@263.net Keywords: traffic zone radius; calculating method; trip distance; probability density Abstract.
On the basis of ensuring the accuracy of the research, taking advantage of the existing materials (like income, occupation, etc), or the previous data given by the cities, which have been investigated on residents travel, and reducing the numbers of the traffic zones being researched, so as to decrease the workload, are difficult.
Acknowledgements This work was financially supported by National Natural Science Foundation of China (51278158).
Li: Journal of Transportation Engineering and Information Vol.7, No. 2 (2009), p.110-115( in Chinese) [3] Y.Q.
Wang: Journal of Traffic and Transportation Engineering, Vol.7,No.1 (2007), p.68-72 [7] B.K Dai, J.

Materials and Methods We chose jiangyou station and shaba station to investigate the water quality, and select in 2006 January to 2011 December average flow and average sediment concentration to analyze the change trend of the water quality before and after the earthquake.
Preliminary Analysis of Soil and Water Loss Change before and after Wenchuan Earthquake [J].Journal of Yangtze River Scientific Research Institute,2010:11:0062
Influence of Wenchuan Earthquake on Water Resources and Water Environment in the Upper Reaches of the Minjiang River [J].Journal of Sichuan Normal University (Nature Science), 2009:01:0134
[7] QIAN Ning, Zhang Ren ,Zhou Zhi-de.Riverbed evolution[M].Beijing:Science press,1987.

For example, prepayment is not checked, patients whose account with less than 80 yuan can also get drugs; it may also happen that drugs and materials with no price will appear.
Acknowledgements This work was financially supported by the college level research project of Gannan Medical University of China (No.ZD201104) and the science and technology project of Education Department of Jiangxi province, China (No.GJJ13675) and University-Level Research Subject of Gannan Medical University in 2011: Study on the Construction of Career Development Training System for the General Practitioner under the Internet Environment.
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Materials and Methods Tested Insects.
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Journal of Fluid Mechanics, 140: 223-256
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In addition to ground breccia material, cement was composed by general, mainly calcite, a small amount of quartz and pyrite.
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Cost Forecast Model Research based on Trend Extrapolation1 Xiao Zhao 1,a, Xuefeng Liu 2,b 1Electrical and Information Engineering College, Shaan Xi university of Science and Technology, Xi’an Shaan Xi, China,710021 2Xi’an Aircraft Industry Compony, Xi’an Shaan Xi, China, 710089 axianyang2@126.com, blxfxaic@163.com Key words: trend extrapolation, time series forecasting method, cost forecasting model, product cost forecasting Abstract.
Because the standard comparable costs were obtained directly from material consumption, in every period, material consumption is compared, so material consumption of producing some identified products must be reduced with improvement of production skills and production equipment, but which should not be infinitely reduced, in summary, the standard comparable costs should be in keeping with curve direction in Figure 1 in a long time.
Journal of Geodesy and Geodynamics.
Industrial Engineering Journal.

Damage is then computed with the formula: ))(exp( )1( 1 0 0 εκ κ ε − − − −= t t t B A A D if 0εκ> , where 0ε , tA and tB are material constants.
There are two reasons for this: the first one is the fact there is some free energy stored in the microstructure of the material and the other one is the presence of residual stresses in the unloaded state.
The first problem can be tackled by building a fictitious free energy potential from the knowledge of the mechanical behaviour of the material.
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