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It is located among the Department of Mechanical Engineering and Department of Metallurgy and Materials buildings, particularly on 6o21'46,53" South Latitude and 106o49'24,35" East Longitude.
Color figures are welcome for the online version of the journal.
Clem: submitted to Journal of Materials Research (2003) [5] P.G.

Influencing Degree of Star-stop Frequency on Running Efficiency of Ground Source Heat Pump which Using Vertical Buried Pipe Xianfang Hu1,a Yuyun Li1,b Yanhua Chen2 Zhongyi Yu2 1 Wuhan University of Science and Technology, Wuhan 430070; 2CITIC General Institute of Architectural Design and Research Co., Ltd, Wuhan 430015 ahuxian90@foxmail.com, byuyun_li@126.com Keywords: model; frequency of start-stop time; temperature; running efficiency Abstract.
The Contact surface between the Circulating fluid and U tube, U tube and backfill material, backfill material and soil set to no slip wall, it belongs to the coupled heat transfer.
Table 1 The average thermal physical property parameters of the heat transfer materials physical parameters density Heat storage coefficient Heat transfer coefficient materials (kg/m³) (J/(kg·K)) (W/(m·K)) rock-soil 1540 1800 2.1 backfill 1900 900 2.2 buried pipe 950 2300 0.45 circulating fluid 998.2 4182 0.60 Operation strategy Fig .2 Load input Heat exchange amount & total running time.
Vol. 10(2012), P.97 [2] Mingjie Zhang, Jinggang Wang and Lingling Bao: Journal of Hebei University of Engineering ( Natural Science Edition ) (In Chinese).
Changsha: Changsha University of Science & Technology. 2012 (in Chinese)

Effect of Red Extractives of Plantation Leaves on Bamboo Biomass mildewing WU Feng-juan1, PENG Wan-xi1a, QIN Dao-chun2, LU Fang2 1School of Materials Science and Engineering, Central South University of Forestry and Technology, City Changsha, P.R.
Materials and methods Materials.
Construction and Building Materials, 2006, 20: 648–656 [3] WU Feng-juan, PENG Wan-xi, ZHOU Xian-yan, ZHANG Zhong-feng, MA Qing-zhi.
Advanced Materials Research, 2010
Journal of Anhui Agricultural Sciences,, 2009, 37 (13): 6033 – 6036

Combined with widely distributed and abundant, magnesium alloy is one of the lightest metal structural materials and functional materials in engineering applications.
Experiment Materials were used Φ 60 mm diameter commercial AZ80 magnesium alloy ingot casting, whose compositions are presented in table 1.
Advanced Materials Process, 1996, 150 (4): 33-34 [3] YU Kun, Li Wenxian, WANG Richu.
The Chinese Journal of Nonferrous Metals, 2003, 13 (2): 277-288 [4] SONG G.
Beijing: Science press, 1989, 48-75

Timofeev 2,b 1 All-Russian Institute of Aviation Materials, Laboratory of Physics of Metals, Radio Street 17, Moscow, 105005, Russia 2 A.A.
Baikov Institute of Metallurgy and Materials Science, RAS, Structure Study Laboratory, Leninskii pr. 49, Moscow, 119991, Russia.
Material and Experimental Procedure Mg-4.5Al-1Zn alloy was selected as a model material because it is one of the most common wrought magnesium alloys.
Mel'nikov: Proceedings of I& II France-Russia Seminar "New Achievements in Material Science"(2005), p.25 [5] J.
Koike: Materials Science Forum Vol. 419-422 (2003), p.189 [6] V.G.

Applied Surface Science, 2010. 256(21): p. 6403-6407
International materials reviews, 2007. 52(3): p. 153-174
Diamond and Related materials, 1999. 8(8-9): p. 1659-1676
Journal of Materials Processing Technology, 2004. 153: p. 804-810
Diamond and Related Materials, 1994. 3(4-6): p. 732-736

Adsorption method is a simple and practicable technology using in AMD, it uses porous adsorption materials to adsorb heavy metal ions in AMD.
Traditional adsorbents are activated carbon and sulfonated coal, people also developed other materials with adsorption ability, including: attapulgite, diatomite, pumice, medical stone, melamine-formaldehyde-DTPA chelating resin and other modified materials.
The method has a stable effect in treatment of AMD, but the adsorption materials’ service life is short.
Microbiological method has the advantages of low cost, wide adaptability, no secondary pollution, and we can also recycle metal or nonmetal materials.
Treatment of acid mine drainage by two-step neutralization [J] Journal of Central South University (Science and Technology), 2011, 42(5):1215-1219.

Recommended Value of Material Design Parameters.
Cleavage strength and compression rebound modulus are the main material design parameters.
References [1] Liangcai Cai, Yonggen Wu, Qingtao Liu, Compounding and Application of Airport Pavement Recycled Concrete, Journal of Air Force Engineering University (Natural Science Edition), 2009, 10(5):1-4
[3] Chao Zhang, Jizhong Ding, Jinsheng Guo, Use of scrap concrete materials in semi-rigid base-course, Journal of Xi’an Highway University, 22(5):1-4
[7] Xiaona Liu, Recycled Use of Cement Stabilized Macadam Structural Materials of Road Base, Chengdu University of Technology, Sichuan Province, 2007

Journal of China Hydrology, 2010,30（5）：64-67.
Chinese Journal of Ecology, 2007，26（7）：1119-1124.
(In Chinese) [13] Zhijuan Lu, Hongping Pei, Wang Yong.Journal of Lake Sciences, 2008,20(6):802-805.
Journal of Geographical Sciences, 2009,64（11）：1342-1352.
Journal of Lake Sciences, 2004,16（3）:209-214.

The mining enterprise’s products are a natural resource, and the materials consumed in production processes don’t constitute the product entity.
The purchasing cost of auxiliary materials is a part of the product cost.
Acknowledgment Supported by the National Science & Technology Pillar Program (2006BAB08B010).
[3] Liu Li, Wang Ping, Su Qinghui, ”Research on the information management in the commercial intelligence system,” Journal of Harbin Institute of Tecnology, vol.39, No.7, Jul.2007, pp.1142-1145 [4] Yazhuo Gao, Zhiwei Ni, Yuxiao Zhao, “A Scheduling Strategy for OLAM Tasks and Its Application in a Financial BI System,” Proc.
China, 2008 [9] Tong Yan, Li Yijun “The Evaluation of Enterprise Informatization Performance Based on AHP/GHE/DEA,” pp.149–155, Aug.2007, 2007 International Conference on Management Science & Engineering, Harbin P.R.