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Fig. 2 Diagram of several common cable layout forms Heating cable is made by using the principle that the electric current is hindered by the resistance of the electrically conductive materials to convert electric energy into heat energy, and it is the heating element making electrically conductive materials encapsulated by special process.
All the tubes applicable to floor radiant heating system were contained with the simple and reasonable method and the strong safety and pertinence; the specific provision for materials, testing and inspection of heating cable and the mandatory provision for safety of heating cable were made firstly marking the domestic application of electric heating for heating system has scaled up to a new level[9].
On the other hand, the material foundation of electric heat tracing road snowmelt deicing becomes ripe with the development of science and technology; our country has achieved good progenies through the current study.
Science and technology of henan communication[J], Henan traffic technology. 1996(5)pp45-48 [3]Zhang qijun,Xia panfu.
Journal of Beijing Polytechnic University.2001,27(1)pp96-99 [11]Wu haiqin.

In the case of wetting materials and with limited mutual solubility (as in niobium-nickel, niobium-cobalt - solubility of about 5% at room temperature), the transparency parameter is TF ≈ 2 and is the maximum among possible metal pair.
Utke, Magnetoelectrical Transport Improvements of Postgrowth Annealed Iron–Cobalt Nanocomposites: A Possible Route for Future Room-Temperature Spintronics, ACS Applied Nano Materials. 1(2018) 3364-3374
Structure of composite nanoparticles, Nanoscience and Technology: An International Journal. 2 (2011) 9-38
Galkin, Simulation of the processes of formation of quantum dots on the basis of silicides of transition metals, International Journal of Nanomechanics Science and Technology. 3 (2012) 51-75
Baskes, Modified embedded-atom potentials for cubic materials and impurities, Physical Review B. 46 (1992) 2727-2742

Fan: International Materials Reviews Vol. 47(2002), p. 1 [3] J.
Shi: Journal of university of science and technology Beijing Vol. 31(2009) p. 1305 [7] B.
Cui: Materials Science and Engineering A Vol. 404(2005) p. 323 [13] J.B.
Deng: Materials Design vol. 30(2009) p. 4665 [14] Z.
Hitchcock: Materials Science and Engineering A Vol. 413-414(2005) p. 229 [15] D.G.

Combining the properties of organic materials, inorganic materials and nano-particles, organic-inorganic hybrid microspheres have the toughness and easy for processing of polymers and the stiffness and special properties of inorganic nano-materials.
Therefore, they have important theoretical significance in developing composite materials with high performance and special functions.
Experimental Materials.
Chen: Journal of Colloid and Interface Science, Vol. 329(2009), p. 62-66 [9] L.Y.
Li: Journal Of Materials Science, Vol. 38(2003), p. 4911-4916 [12] Meizhen.

Chongqing 401121, China. 3 Chongqing Institute of Safety Science And Technology, Chongqing 401331, China.
Material Model and State Equation 1.1 Explosive Material Model High-energy explosive is used and described as material model MAT_HIGH_ EXPLOSIVE_BURN and the JWL equation of state.
For actual modeling, the explosive, air and other fluid materials are defined as Euler grid, while the pipelines and foundation materials belongs to Lagrange grid. 3 Calculation Results and Analysis To know the response law of buried gas transmission pipelines under explosive shock load, pipelines subject to explosive shock under three working conditions are analyzed.
Acknowledgements The research reported in this paper has been funded by the Science and Technology Research Project of Chongqing Education Committee (KJ131408);the Interior Research Foundation of Chongqing University of Science & Technology (CK2011B30);Innovative Team of Safety Risk Control Engineering Foundation of Chongqing University of Science & Technology；the National Natural Science Foundation of China (No.51104176),The authors thank very mush the reviewers for their constructive comments.
Chinese journal of computational mechanics,1997,14(1): 91-102

The Key Technology of Virtual Reality System Based on Panoramic View Yang Ling1,a, Cheng Yong2,b and Cheng Yun3,c 1 Binjiang College, Nanjing University of Information Science and Technology,Nanjing Jiangsu, 210044, China 2 Jiangsu Technology and Engineering Center of Meteorological Sensor Network, Nanjing University of Information Science and Technology,Nanjing Jiangsu, 210044, China 3 Department of Communication and Engineering, Hunan University of Humanities and Science and Technology, Loudi Hunan, 417000, China a lingyangcy@126.com, b yongchengyl@126.com,c chy6677@163.com Keywords: Virtual reality; fish-eye image; image mosaic; panorama view Abstract.
We can use the same threshold in step 2) and the similar detection process 4) After all the testing, we can use the least squares method to carry on a circular curve fitting to coordinates which is recorded that the brightness difference is greater than the specified threshold; 5) The points which the error is too large are discarded; 6) Fitting the round, the center is of fish-eye image, its radius is of fish-eye images; 7) Get the center and radius of the fish eye image, we can distort the fish-eye image distortion and obtain suitable for stitching images material.
Acknowledgement This paper is funded by Planned Science and Technology Project of Hunan Province, China(Grant No. 2010TC2006); Research Foundation of Education Committee of Hunan Province, China(Grant No. 09A046).
References [1] YING Xiang-Hua, HU Zhan-Yi, Fisheye Lense Distortion Correction Using Spherical Perspective Projection Constraint, Chinese Journal of Computers, 6(12).p.1702-1708. (2003) [2] YANG Ling,CHENG Yun,YUE Zhou,etc.Image Mosaic Algorithm Based on Similar Curve.ISKE,Xiamen University,p.1092-1095.(2008) [3] CHENG Yun, YANG Ling,FANG Zhi-wen, AFast Algorithm for Automated Image Mosaicing,Journal o f Donghua Univ ersity, 27(2).p.250-253.(2010) [4] Bakstein H, Pajdla T.

According to the research material of the experienced Russian search dog training force, generally speaking, a qualified search dog is trained needs 1.5 years at least [7], while its effective working time is less than 3 years [8].
Acknowledgements This project is supported by China Postdoctoral Science Foundation funded project (20100480976) and Postdoctoral Foundation of Heilongjiang Province (LBH-Z09212).
The authors would like to thank Harbin University of Science and Technology for supporting this work.
Huang,B.L.Han and Q.S.Luo: Journal of Huazhong University of Science and Technology Vol.35 (2007), pp.72 [2] P.
Kang: Journal OF HARBIN Institute of Technolog (English) Vol.17 (2010), pp.78

The authors would like to express their appreciation to China Jiliang University and Hall of Zhejiang Province Science and Technology.
Liu, Soft magnetic ferrite material (In Chinese).
Journal of Kunming University Science and Technology, vol.28 (2003), 17-21
Journal of Shanxi Normal University. vol. 34 (2006), 48-51
Science and technology press, Beijing, 1987.

Although several attempts have been made to improve the torque density, such as optimizing de-sign parameters [54] and applying proper magnetic materials [65] to provide a stronger magnetic field, they are still far from satisfying the strict demands of industrial applications.
When receiving the paper, we assume that the corresponding authors grant us the copyright to use the paper for the book or journal in question.
Color figures are welcome for the online version of the journal.
Mishing, in: Diffusion Processes in Advanced Technological Materials, edtied by D.
Clem: submitted to Journal of Materials Research (2003) [6] P.G.

Introduction Cerium oxide (CeO2) has attracted enormous interests because of its extensive application in high-energy efficiency fuel-cells [1, 2], polishing materials [3], UV blockers [4], gas sensors [5] and especially in heterogeneous catalysis [6, 7].
Experimental Materials.
Her, Converting Ceria Polyhedral Nanoparticles into Single-Crystal Nanospheres, Science. 312 (2006) 1504–1508 [4] Li R.X., S.
Li, Carbon nanotube assisted synthesis of CeO2 nanotubes, Journal of the Solid State Chemistry. 180 (2007) 654–660 [33] K.L.
Zou, Convenient synthesis of CeO2 nanotubes, Materials Science and Engineering B. 139 (2007) 197–200 [34] Z.G.