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Research on Open and Close Characteristics of Passive Shuttle-type Anti-water-attack Check Valve Xiang Beiping1,2 a, Yin Guofu1,b , Zeng Xiangwei2,c, Zang Hongbin2 1 Manufacture Science and Engineering School of Sichuan University, Chengdu, China 2 Manufacture Science and Engineering School of South-West University of Science and Technology, Mianyang, China axiangbeiping@163.com, b gfyin@scu.edu.cn, c kxzxw@163.com Keywords: shuttle-type; water-attack; check valve; Open and Close Characteristics Abstract：Water-attack is very harmful to pressure pipeline system security.
In rigid pipeline, only elastic coefficient of pipeline material is taken into account, the transient liquid movement transmitted by compressional wave is involved, while elastic move, such as longitudinal wave, bending wave, cutting wave, etc, and its reciprocity between liquid in the pipeline are not necessary.
Nonlinear Phenomenon in Hydraulic System [J].Journal of Fluid Control 1998, 18(4): 48-52
[8] Chen Yijie, Yang Zhanhua, etc, Influence of hydro-pneumatic spring throttle orifice upon water hammer of a valve [J].Journal of vibration and shock. 2010.29(7):75-78.

Flow exists between the individual and the environment or individual and individual in the form of material flow, energy flow or information flow.
Acknowledgement The financial support from the National Natural Science Foundation (51149013) is gratefully acknowledged.
Zhao: Analysis and research of decision-making method in modern water resources system (Science Press, Beijing, May, 2010.
Journal of Economics of Water Resources, Vol.25,No. 4, pp.8-10, 2007.
“Computational analysis of water resources optimal allocation of Wen Shan Region in Yunnan Province” Journal of Yellow River Conservancy Technical Institute, Vol.23,No.2, pp. 1-4, 2011.

According to the existing literatures, the aim of interface management in construction project is, by identifying the interaction of such elements as information, material, finance, etc. among various participants, divisions, division members, or among connection of project entities or processes, to resolve the conflicts in professional division and cooperation between both parties (or multiple parties), thus realizing control, cooperation and communication, enhancing the integrated function of management, and eventually achieving optimized project performance
The new project, which is located at Fushan Science and Technology Industrial Park, Zhuantang , West Lake District, Hangzhou, covers an area of 1000 acre, with total construction area of 600,000 m2.
Science & Technology Progress and Policy, 2001, (5):85- 86 .
Journal of University of Science and Technology of Suzhou, 2005, 18(1): 47-51.
Journal of Construction Engineering and Management,2003，129(1)：8-15

Materials and Methods Growth conditions.
Canadian Journal of Forestry Research Vol. 14 (1984), pp.343350
Journal of Air and Waste Management Association Vol. 41 (1991), pp.798-807
Journal of Experimental Botany Vol. 43 (1992), pp.1121-1130
Journal of Biogeography Vol. 22 (1995), pp.323-330

In recent years, Huizhou traditional residence has attracted researcher's attention as an important material carrier of regional culture.
Materials and Approach Analysis Object.
Acknowledgements This work was financially supported by the National Natural Science Funds (51178155) and the Fundamental Research Funds for the Central Universities (2013HGXJ0206).
References [1] ZhongYi Zhang, Jianbin Cao, Gaojie Fu and Xiujun Du: Huizhou Housing in Ming Dynasty (Architectural Engineering Press, Beijing 1957), in Chinese [2] Kai Gong: Series of the Ancient Architecture in Huizhou- Zhanqi Village (Southeast University Press, Nanjing 1996), in Chinese [3] Kai Gong: Series of the Ancient Architecture in Huizhou- Tangyue Village (Southeast University Press, Nanjing 1999), in Chinese [4] Kai Gong: Series of the Ancient Architecture in Huizhou- Xiaoqi Village (Southeast University Press, Nanjing 2001), in Chinese [5] Hongyu He: Folklore Studies Vo4. 26-35 (1987), in Chinese [6] Deqi Shan: Architectural Journal No.1 47-51(1991), in Chinese [7] Jiyue Cheng, Shuo Cheng: Anhui Architecture No.3. 22-25(2001), in Chinese [8] Masao Mizuno, Takashi Nagatani, Shoji Yokokawa and Toshiro Inaji: A Research on ANHUI Dwellings in China 1, The 32nd Annual Conference of the JSD (1985), in Japanese [9] Qi Ni, Yi Zhang and Shigetomo Kikuchi: Urbanism and Architecture
Mitchell: Environment and Planning B, Vol.5 (1) 5-18（1978） [12] Gulen Cagdas: Environment and Planning B:Planning and Design, Vol.23(4) 443-464 ( 1996) [13] Jianming Su, Kazuya Sakurai , Noriaki Nomura , Kihong Kim and Kuniaki Ito: Journal of Architecture, Planning and Environmental Engineering (Transactions of AIJ), No.595, 221-228 (2005), in Japanese [14] Jianming Su and Xiaomei Mei: South Architecture, No.141. 84-89 (2011), in Chinese [15] Junchao Zheng and Jianming Su: South Architecture, No.150. 85-89 (2012), in Chinese [16] Jina Park and Junzo Munemoto: Journal of Architecture, Planning and Environmental Engineering (Transactions of AIJ), Vol.73 No.634, 2591-2598 (2008), in Japanese [17] Jina Park, Akihiko Akahori, Junzo Munemoto and Daisuke Matsushita: Journal of Architecture, Planning and Environmental Engineering (Transactions of AIJ), Vol.74 No.636 363-370 (2009), in Japanese

Effect of QPQ Salt Bath Oxidation on Corrosion Resistance Li Yuan-hui1,2,a , Luo De-fu 1,2,b, Wu Shao-xu2 1School of Materials Science and Engineering, Jiangsu University, Zhenjiang Jiangsu, China 2 Chengdu Tool Research Institute, Chengdu Sichuan, China a lyhyjh@tom.com, bluodf@chinatool.net Keywords: qpq technology, post-oxidizing, second oxidizing, corrosion resistance, salt bath nitriding Abstract.
The material used in this study were 1020 steel.
Experiment Experimental material.
The material used in this paper was 1020 annealed steel with chemical compositions (in wt.%) of 0.22%C-0.31%Si-0.55%Mn-Fe.
Luo ,Journal of Materials Processing Technology, 66� 249-252(1997) [2] Xintianjinfu,Caiyoujishejizhizao[J]1,(1994) 59�64(in Chinese) [3] M.

Materials and methods Bacteria source ① conventional activated sludge was collected from the secondary sedimentation tank of Lanzhou Qilihe sewage treatment plant(Fe(II):21.25g/L, TFe:29.42mg/L);② Biological iron mud was collected from the SBBR reactor which has been put with Fe0 (Fe(II):14.83g/L,TFe:106.92mg/L).
Journal of Environmental Sciences 20(2008) 1487–1493
Northwest A & F University(Natural Science Edition),34(2006)115-120
Northwest A & F University(Natural Science Edition),36(2008)103-109
Agro-Environment Science, 29(2010)1789-1794

Semiconductor materials as two thin layers are sandwiched together to build the typical P-N junction solar cells.
A thin layer of materials like plastic, metal, and glass etc can be used to deposit the amorphous silicon solar cell [13].
This research was done to obtain higher stabilized efficiency with the least cost for the materials as far as possible.
Conclusion We offered new structure of single P-N junction cells based on CdTe, CIGS materials, and P-I-N junction cell based on a-Si:H materials considering the impact of thickness and temperature on its output parameters.
Sharma, Solar Cells: In Research and Applications—A Review, Materials Sciences and Application, Dec. 2015, Vol. 6, pp. 1145-1155 [11] L.

Research on integration of mining and reclamation of opencast mining area in Hulun Buir grassland Wenbin Guo 1,2,a , Zhangrong Liu 2,b, Jinfa Wei 3,c , Jingbo Tong 3,d Shujuan Tian 4,e 1School of Engineering & Technology, Hulunbuir College, Hulunbuir 021008,China 2School of Energy, Xi’an University of Science and Technology, Xi’an 710054,China 3The huaneng yimin coal＆electricity co.
To provide adequate protection of raw materials is the development of the coal industry .
Resulting from stripping the massive overlying rocks so as to reveal the buried minerals, the damaged land in slope areas are not available for the basics material conditions of the survive of grass seeds, and make the whole plants go.
Acknowledgements This work was financially supported by the Hulunbuir Science and Technology Bureau. (201104).
Journal of Safety Science and Technology, 2009,5(3) ,p.120~123.

When we put some forces to the metal parts of the compound material, each sensor obtain sound information from adhesive parts, which carries the accurate information of the mechanical property.
Acknowledgements This paper is supported by the National Natural Science Foundation of China (No.61171057), the Natural Science Foundation of Shanxi Province (No.2011011015-1), and the Special Funds for excellent talent introduction and development of Shanxi Province(No.201012),and the Key laboratory of youth fund project of North University of China(No.201204).
[2] Appriou.A, Ayoun.A,etal.Fusion:general concepts and characteristics[J].International Journal Intelligent Systems,2001,16(10):1107-1134
Multi-sensor information and multiple source fusion theory and the applications[M].Beijing:Science Press,2010.
Research on possibility distribution construction methods under the uncertain cognition conditions[D].Chengdu: University of Electronic Science and Technology of China, 2010.