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Table 2 Outburst prevention area measure test rating of uncovering coal Coal ηdrainage [%] PCY [MPa] WCY [m3/t] Δh2 [Pa] 13 47.2 0.30 3.67 117.6 14-1 85.6 0.42 4.38 78.4 Uncover coal safely After taking local comprehensive outburst prevention measures, use remotely initiated blasting to uncover coal, then drive one row once, gummite concrete, grout Ma li san that is a polyethylene imine colloid material, cross through in-seam cross-cut successfully, uncover the coal seam safely.
Acknowledgements The twelfth Five Years Plan National Science and Technology Major Projects: Coalbed Methane Extraction Efficiently, Gathering and Transportation Technique and Equipment Development in Coal Mining Area (2011zx05041).
Research on Feasibility in Preventing the Coal and Gas Outburst by Infecting Liquid and Freezing in Uncovering Coal Seam in Cross-cut, Journal of China Coal Society, 2010, 35(6):937-940, (In Chinese)
New Drilling and Reaming Integrated Technology with Hydraulic Outburst Prevention [J], Coal Science and Technology, 2009, 37(11): 40-44, (In Chinese).

High performance material of self-dense slight-expansion concrete and embedded bar technique is recommended, which could guarantee the quality of the reinforcement.
In: Progress in Safety Science and Technology Volume 4, Proceedings of Asia Pacific Symposium on Safety 2005.
Beijing: Science Press, 2005,p.542
[5] Li Li, Wang zhenling: Journal of Xihua University(in Chinese).

The electro-hydraulic exciter is characterized by its large displacement and strong exciter force, so it is widely applied in many main industrial fields such as earthquake environment simulation, large-scale structural dynamic characteristics test, material fatigue examination and device fault diagnosis, etc[2].
Acknowledgement It is a project supported by the Committee of National Foundation of Natural Sciences (50675204) and the Committee of the important item of Zhejiang Provincial Foundation of Natural Sciences (D1080667).
Proceeding of the institution of mechanical engineers part 1-Journal of systems and control engineering.

The P wave, or compression wave, alternately compresses and expands material in the same direction it is traveling.
Computer-Aided Civil and Infrastructure Engineering Volume:24,Issue Number: 4,Publisher: Blackwell Publishing, 4(6), 1093-9687 (2009) [8] Wu Jing-Jin Chen Wei: (Nanchang University, Nanchang 330029); Edge Detection Based on Multi-scale Lifting Wavelet; Journal of Chongqing University of Science and Technology (Natural Sciences Edition). 1(4), 90-99 (2009) [9] Donald B.

The intertwining of material culture and social relations becomes the form of a kind of "turbulence".
«Fractals are the result of the breaking down of traditional thought and philosophy that had governed mathematics and the sciences for centuries.
They in turn had a revolutionary effect on diverse sciences, mathematics, philosophy and arts in a very short period of time.
[6] Steven Miles, The neoliberal city and the pro-active complicity of the citizen consumer, Journal of Consumer Culture. 12(2) (2012) 216–230

Design of Excitation Source for Ultrasonic Guided Waves Based on DDS Technology Fenping Zhoua, Yang Jiaob and Huijuan Duanc Hebei University of Science and Technology, Shi jia-zhuang, Hebei, China azfp399@163.com, bjyang939@163.com, cduanhuijuan007@163.com Keywords: DDS, FPGA, ultrasonic guided waves, piezoelectric ceramic, exciting signal Abstract.
It’s inconvenient to purchase and maintain, and it will waste human and material resources.
[J]．Journal of Nanjing University of Science and Technology (4):69-72.

Application of the higher modes to crack identification in a cantilever beam LIU Yuxiang a ZHANG Weiweib MA Hongweic College of Science & Engineering, Jinan University, Guangzhou 510632, China.P.R a hpliuxy@163.com b zwwps@hotmail.com c tmahw@jnu.edu.cn Keywords: damage detection; crack; wavelet analysis; a cantilever beam Abstract: Damage detection by the wavelet transform of the fundamental vibration mode receives much attention recently.
And its geometric and material parameters list as following: Density 33 /100.8 mkg×=ρ Young's modulus GpaE 223= Beam high mmh 15= Beam thick mmb 15= Beam length mmL 500= The cracked vibrating beam is modeled as a segmented beam whose analytical model was Eulero-Beronoulli beam.
Acknowledgment This study was supported by the Key Natural Science Research of Guangdong Province,China P.R (Grant No. 05Z003) and the Project of tackling key problem of Guangdong Province, China P.R (Grant No. 2006B12401008) References [1] H.N Li and H.M Sun: World earthquake engineering. 2003(2), p.16 (Chinese)
[7] E.Douka, S.Loutridis and A.Trochidis: Journal of Sound and Vibration.Vol. 277 (2004), p.1025

To simplify the twodimensional analysis, it is assumed that: 1) all regions are extended infinitely in x direction; 2) permeability of back iron is infinite; 3) edge effects in the z direction are ignored; 4) the permeability of PM material is equal to the permeability of free space.
Acknowledgment The work described in this paper was supported by the National S&T Major Project (2009ZX02207-001), the National Science Foundation of P.
China (No. 51177024) and the National Science Foundation for Distinguished Young Scholars of China (Grant No. 51225702).
International Journal of Advanced Manufacturing Technology, 2009, 48(5-8):633-643

That is to comprehensively develop the scenic spot, to build a low carbon environment, as well as, to indoctrinate low carbon concept to travelers through specific and touchable material object, activities, etc, to make them get a real feel for low carbon atmosphere, then forms low carbon concept and guides low carbon travel behavior.
Low-carbon tourism has a prominent feature in contrast with other types of tourism activities--close contact with the science and technology.
Acknowledgements This work was financially supported by the Natural Social Science Foundation (10CGL038) References [1] Yiping Li．Geographical Consciousness and Tourism Experience.
Journal of Sustainable Tourism, 2007, 15(1):67-90

North China Institute of Aerospace and Engineering, Department of Material and Engineering, Langfang Hebei 065000; 2.
Hebei University, College of Environment and Science, Baoding Hebei 071002) Key words: environmental protection, coordinate, paradox, double-win Abstract: Harmonious development of environmental protection and economy is a realistic choice made in specific national situation for economic development and environmental protection.
Heilongjiang Science Information, 2010, (35): 150 In Chinese [2] Hongchun Zhou, Lizhi Lv.
Journal of Guizhou Policeman Occupational Institute, 2010，（04）：66-69 In Chinese