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Tourism Marketing Strategies for Chongqing University City Jiang Yanling1, a, Tang Enfu2 1,2Chongqing University of Science and Technology, Chongqing China, 401331 aEmail：e-mail: jyl511621@126.com Keywords: Tourism in Chongqing University City; Marketing; Strategies Abstract.
Principle of accessibility refers to the tourism industry in the University City, where developers may take advantage of existing human, material and financial resources to get access to the market share through market segmentation.
In March 2012, the author conducted a survey on the tourist market in the University City, in which a total of 200 copies of the questionnaire were distributed in the main Jingdianxi Street, Chongqing Institute of Technology, Chongqing Normal University, Chenjiaqiao and Chongqing University of Medical Sciences, returned with 190 valid copies.
Journal of Chongqing Architecture University2005(03) [5] WU Hua-qing, HE Dan, MA Jun.
Journal of Hefei University of Technology(Natural Science.2011(09) [6] ZHANG Liu, LI Jun-yi, MA Yao-feng.

So the strength growth trend of test piece is only the same as the surface of concrete structures, that is to say, the strength of test pieces can only represent the strength of structures surface[[] Li Song, Jinwei Tang and Shujie Zhou: South-to-North Water Transfers and Water Science & Technology, Vol. 7(2009) No. 2, p. 136-139.
The strength of concrete structure entity is influenced by many factors in winter construction, such as material, construction technology, curing condition and so on, especially the low temperature.
Therefore, Grey system theory advocates using the single factor model GM(1, 1) for system prediction[[] Yuezhong Lin, Peng Bao: Journal of Henan University (Natural Science), Vol. 37(2007) No. 2, p.220-213.
If is a sequence of parameters, and ,, (7) then the least squares estimate sequence of the GM(1,1) Model satisfies [[] Sifeng Liu, Yaoguo Dang, Zhigeng Fang and Naiming Xie: Grey System Theory and Its Application(Science Press, China 2010). p.146-149.
(16) For =0.5, if the incidence degree, the results can be regarded as satisfactory[[] Zhihua Jiang, Guobao Zhu: Journal of Wuhan University of Technology, Vol. 28(2004) No. 2, p.305-307.

Fuel Selection: Raw material is Datong bituminous coal and sludge which is from a sewage treatment plant in Shanghai.
Conesa: Journal of Analytical and Applied PyrolysisPyrolysis Vol. 74 (2005), p. 429-438
Lu: Journal of Environmental Sciences Vol. 21 (2009), p. 1747-1752
Yu: Frontiers of Environmental Science & Engineering in China Vol. 1 (2007), p. 67-72
Zhou: Frontiers of Environmental Science & Engineering in China Vol. 1 (2007), p. 49-52

Acknowledgements Thanks for the Project of National Natural Science Fund of China (51008133) and Jiangsu Provincial Natural Science Foundation of China (NO.BK2010518).
[3] Jianrong Zhang, Xiangdong Xu and Wenyan Liu: Architectural Science.
Vol. 22 (2006), p. 42 (in Chinese) [4] Ba Hengjing and Su Anshuang: Journal of Southeast University.
Vol. 36 (2006), p. 116 [5] Michanel Bartlett and Macgregor James G: ACI Material Journal.

But at domestic and overseas, similar material model experiments [3], and numerical simulation methods [4] are usually used for cutter head design, and the whole design process depends on engineering experience overly.
Acknowledgements This work was financially supported by National Key Basic Research Development Plan of China("973" Projects) (2013CB035402), National Natural Science Foundation for Young Project of China (51005162) and Science & Technology Development Fund Project of Tianjin Agricultural University (2011D02).
S.: Journal of Aircraft, Vol. 39 (2002), p.1053
[6] Guofu Yin, Jing Yu, and Xiaobing Hu: Journal of Sichuan University (Engineering Science Edition), Vol.38 (2006), p.38-47, in Chinese

The dam material use the elastic-plastic damage model of concrete[5,6] and take the elastic modulus as 31GPa, density as 2643Kg/m³, Poisson’s ratio as 0.2, dilation angle as 36.3, initial compressive strength as 13MPa, ultimate strength as 24.1MPa and tensile strength as 2.9MPa.
Acknowledgements This study was supported by the State Key Development Program for Basic Research of China (No. 2013CB035905) and the National Natural Science Foundation of China (Grant No. 51109029 ).
YIN Kun-long, Analysis of Movement Process of Landslide in Reservoir and Calculation of Its Initial Surge Height [J], Earth Science –Journal of China University of Geosciences, Vol. 28(5):579-582 (2003) [2] JIA Chao, WANG Zhipeng, GAO Feng, REN Qingwen, High-dam risk analysis considering secondary disaster of earthquake [J], JOURNAL OF HYDROELECTRIC ENGINEERING.
Vol. 30(6):34-39 (2011) [3] Huang Jin-lin, Study on the Surge of Reservoir Bank Landslide and It’s Effect on Dam Body [D], Tianjin: Tianjin University (2011) [4] Xu Bo, The research on landslide waves generated by landslide and its propagation process [D], Changsha: Changsha University of Science and Technology (2000)

In the case of certain pipeline pressure, pipeline material drives significant implications on leaking sound frequency distribution: for plastic pipe leakage, the main frequency components is between 5Hz to 50Hz [4], while for cast iron pipe leakage, the main frequency components is between 1kHz to 2kHz [5].
Acknowledgements This work was supported by the Fundamental Research Funds for the Central Universities under Grant NO.HEUCF100604 and National Natural Science Funds under Grant (60975019).
References [1] Z.B.Ling, J.Wang and C.L.Qiu: Chinese Journal of Scientific Instrument, Vol. 24 (2003) No. 4, p. 115
[2] W.Lu, Y.M.Wen: Chinese Journal of Scientific Instrument, Vol. 28 (2007) No. 3, p. 504
[6] P.X.Xu, G.X.Sun: Wavelet Analysis and Application Example (University of Science and Technology of China Press, China 1996), p. 80.

Currently, the jobs that the optimization to the output shaft has been completed as follows: ①the overall structure of the output shaft has been optimized through the optimization calculation to the load at the bearing support position to reduce the maximum bearing load[1]. ② The output shaft has been locally optimized, by reducing the strength safety factors at each position as the object to realize equal strength optimization[6]. ③Through the output shaft quality as system level objective function, through the bending moment and torque in the concentrated load section, safety coefficient change, total remove material of cutting processing as subject objective function, establish multidisciplinary optimization model, for load-structure-process of collaborative output global optimization.
Acknowledgments This work is funded by “ Project supported by Hunan Provincial Natural Science Foundation of China” (Grant No.11JJ6035).
Chinese Journal Of Mechanical Engineering, Vol41,6, pp.108-112,2005
Wuhan: Huazhong University of Science and Technology, 2005
Journal of Central South University (Science and Technology), 2011

At present, our country already has a number of low-carbon technology in the international leading level, because of the gap significantly on material, control, system integration and other basic technology, even if there is a high-technology innovation, it is difficult to achieve technology industrialization, due to the lack of symbiosis technology.
Increase investment in science and research of low-carbon technology.
(Social Sciences Academic Publications, Beijing, 2002) [2] Information on http://baike.baidu.com/view/3957739.htm [3] Yuwen Tang, Hechun Shi.
Journal of Hunan Agricultural University, 2006, (1):38-40 [4] Xiaofei Zhen.
Journal of nanjing university of technology, 2010,09 (4):23-27 [6] Lingling Zhao, Tao Luo, Weina Liu.

Lee[3] investigates the impact of ATP system on balancing material distribution in IBM hardware business Supply Chain (SC).
Acknowledgments This work was supported by the National Nature Science Foundation of China under Grant No.50875172, by the Science Foundation of Shanghai Municipal Commission of Science and Technology under Grant No. 09DZ1121202.
International Journal of Production Economics, 114(1), 2008, pp.276-293
International Journal of Production Economics, 2005, 93:239-252