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An Fuzzy Petri Net Model of Accident Evolution Process of Coal and Gas Outburst Li Ma Communication and Information Engineering College,Xi’an University of Science and Technology, Xi’an, China e-mail:maryraining@hotmail.com Keywords: coal and gas outburst; Fuzzy Petri Net (FPN); accident evolution process; fuzzy reasoning; adverse searching tactics Abstract.
According to the Gas geological conditions in Luling Coal Mine of Huaibei Mining Group Company and actual material of coal and gas outburst occurred and recorded in 8 and 9 coal seam since the establishment of mine [5].
National Natural Science Foundation of China (50874089) Xi’an University of Science and Technology Foundation Figure1.
Prediction of coal and gas outburst based on data fusion and case-based reasoning, Journal of Southeast University (Natural Science Edition), 41(z1):59-63,2011
[3]Xin-gui He,Fuzzy Petri net[J], Journal of Computers,vol12,pp.946-950,1994

Acknowledgments This paper is supported by the National Science Foundation of China (NSFC) under grant 40672163 and Science Foundation of Hebei provinc euder grant number D2004000480.
Journal of natural resources, 2008, (1) : 127 to 135
Beijing: science press, 2007
Wuhan: central China university of science and technology press, 1991
Journal of coal, 2005, 30 (5) : 608 to 612

The reason is that vertical egg is helpful to promote the upgrowth of egg [13, 14] while the movement of horizontal egg's inner material can degrade the recognition rate.
Lecture Notes in Computer Science, 2006, Volume 4221, Advances in Natural Computation, p. 85-88
Poultry Science (2004) 83(SUPPL.1), p.75 [6] Wang Qiaohua, Ren Yilin, Wen Youxian.
Beijing: science press, 1983.5
Journal of Southwest University For Nationalities (Natrual Science Edition), 2010, 36(4).

Qu, et al: Henan Science. 27(2009), P. 554.
Lan: Environmental Science.
Yuan: China Environmental Science.
Gong, et al: China Environmental Science.
Liu: Journal of Jiangsu Teachers University of Technology.

Basic Concept[5] The Elastoplastic deformation law models used to simulate granular materials include the Mohr-Coulomb model, Drucker-Prager model, modified Drucker-Prager model and limit state model.
In this article, the Drucker-Prager model is adopted for simulation of the Elastoplastic deformation law of the material of different structural layers of asphalt concrete pavement.
See Table 8 for structural parameters and material parameters of the computation model.
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (NSFC) (51078331).
Journal of Transportation Engineering, 2001, 127(1): 67 - 73

Experimental Material and Solution.
Shokir, Experimental Investigation of Miscible CO2 Flooding, Petroleum Science and Technology, 29 (2011) 2005-2012
[5] ZHANG De-ping, Pilot test of research and application status of CO2 flooding production technology, Science and technology review,29( 2011) 75-79
[8] Xue Yan, Research on Corrosion Behavior of Low Cr Corrosion-resistant Materials in Tarim Oilfield, Xi’an: Xi’an Shiyou University, 2010
[15] Yongxin Lu, Hongyang Jing, Yongdian Han, Lianyong Xu, Effect of temperature on the 3Cr low-alloyed steel initial corrosion behavior in CO2 solution, Materials Chemistry and Physics,178 (2016) 160-172

China. 200093. 2Jungong Road No. 516, University of Shanghai for Science & Technology, the principal office building, Shanghai P.R.
With the rapid development of manufacturing, the high strength metal materials, especially the high strength steel is widely used in missile, rocket engine, military seal assembly, nuclear waste package, computer chip, fluid pipe, precision castings and forgings.
The material of two metal plates is completely consistent, and also their sensing distances are also consistent.
Chinese Academy of Sciences, Shanghai Institute of Microsystem and information technology. 2004,7.
Journal of Magnetic Materials and Devices. 2013,5.

In Fig. 1(b), different colored rectangles stand for different materials or structures.
Material.The participants were given a CMOS logic circuit and its IC layout and were required to find the bug in the shortest time possible.
A computer program was designed to present materials and records both the participants’ answers and eye movement data.
Henderson, "Eye movements and visual encoding during scene perception," Psychological Science, vol. 20, pp. 6-10, 2009
Rayner, "Eye movements and attention in reading, scene perception, and visual search," The Quarterly Journal of Experimental Psychology, vol. 62, pp. 1457-1506, 2009.

The dimensional method needs to know the material and geometrical properties of the cantilever.
Comparatively speaking, static method is more accurate and direct than other methods, and it is regardless of cantilever geometry and materials.
Facci, AFM: a versatile tool in biophysics, Measurement Science and Technology, 16 (2005) R65-R92
Kappl, Force measurements with the atomic force microscope: Technique, interpretation and applications, Surface Science Reports, 59 (2005) 1-152
Hu, Calibration of the spring constant of AFM micro-cantilever based on bending method, Yi Qi Yi Biao Xue Bao/Chinese Journal of Scientific Instrument, 33 (2012) 2446-2453

Influence of Heat Treatment Conditions on Crystallization and Thermal Expansion of LAS Glass-ceramics Zhuohao Xiaoa, Minghua Luob School of Materials Science and Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333001, P.R.
SiO2, Al2O3, Li2CO3, ZnO, MgF2, TiO2, ZrO2 and (NH4)2HPO4 were used as raw materials to prepare LAS matrix glass, in which Li2CO3 as the source of Li2O and (NH4)2HPO4 as the source of P2O5.
All raw materials are analytical grade.
Journal of the European Ceramic Society, 2001. 21(9): 1187-1194
Advanced material research, 2010.