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But for the medium hardness uniform materials, its contact fatigue property has seldom researched at home and abroad.
Some technical work was carried out for selecting reasonable materials for the gear with medium hardness.
Experiment Materials and Method Experiment Steel, Heat Treatment Process and Microstructure.
The shearing resistant stress of the materials has certain relationship with the contact fatigue property.
Devanathan: Wear, Vol. 156(1992), p. 121 [2] Shu Delin: Mechanical Properties of Materials.

Traditionally, the electrochromic devices (ECDS) are to coat the electrochromic materials on the transparent conducting substrates (ITO glass), then design and assembly the products[3].
Generally, it can produce the electrochemical reaction of the electrochromic materials by adjusting the bipolar electric field and show different spectrum absorption in specific wavelength with the variation of the devices.
[2] C.M.Lampert ,"Large-area smart glass and integrated photovoltaics" ,Solar Energy Materials & Solar Cells,Vol.76,p.489-499 (2003) [3] Agnihortry, S.
,“Pre-existence of HxWO3 in e-beam deposited WO3 films”, Solar Energy Materials and Solar Cells, 36 (1995) 289-294
International Journal of Industrial Ergonomics, 21, pp. 103-116

Tsai: Materials Science and Engineering A Vol. 294-296 (2000), p. 29-32 [4] A.P.
Li, et al: Materials and Design Vol. 35 (2012), p. 259-265 [6] Alok Singh, H.
Mukai: Materials Science and Engineering A Vol. 528 (2011), p. 6647 [7] J.S.
Liang, et al: Materials Letters Vol. 62 (2008), p. 4489-4491 [8] J.S.
Yang, et al: Chinese Journal of Materials Research Vol. 13 (1999), p. 261-266 [13] D.H.

Introduction Materials' properties usually depend on their internal structure, especially the sub-microscopic structure.
Because water is of great importance for cementitious materials' hydration, if there were no water, the hydration cann't take place.
High initial curing temperature and long curing time are more beneficial to FA-cement materials than ordinary cement materials.
Journal of Tongji University (natural science), 2004, 32(9): 1168-1172. in Chinese [5] S.P.
China Building Materials Science & Technology, 2001, 1: 45-48. in Chinese [10] Z.

This technology provide timely, accurate and comprehensive basic geographic information data and statistical analysis for geological hazards emergency management science decision-making, disaster assessment, rescue, restoration and reconstruction[9, 10].
Acknowledgements This work was financially supported by Soft Science Project of Ministry of Land and Resources of the People’s Republic of China (201213&201246), Social Sciences Planning Project of Chongqing Municipality (2011ZDGL12), Science and Technology Planning Project of Chongqing Municipality (cstc2011cx-rkxA00076), Science and Technology Project of Chongqing Municipal Land Resources and Housing Bureau (Study on Key Technology of Housing Price Monitoring and Application Demonstration based on GIS), Key Preliminary Project of Chongqing Municipal Land Resources and Housing Bureau (Research on Urban Construction Land Intensive Use Planning) and 2010 Science and Technology Planning Project of Chongqing Municipal Land Resources and Housing Bureau Municipality(Research on Association between Land Supply and House Price under City Expanding).
References [1] Becky Hill, Diagnosing Co-ordination Problems in the Emergency Management Response to Disasters, Interacting with Computers, 22(1), 43-55(2010) [2] Phil Glassey et al, The Geology of Dunedin, New Zealand, and the Management of Geological Hazards, Quaternary International, 103(1), 23-40(2003) [3] Wanli Zhou, Emergency Management of Urban Major Hazards Based on Information Synergy, Procedia Engineering, 15, 1937-1941(2011) [4] Mattias Öberg, Discrepancy among Acute Guideline Levels for Emergency Response, Journal of Hazardous Materials, 184(1-3), 439-447(2010) [5] Zoe Nivolianitou, Towards Emergency Management of Natural Disasters and Critical Accidents: The Greek Experience, Journal of Environmental Management, 92(10), 2657-2665(2011) [6] Konstantinos G Zografos, Methodological Framework for Developing Decision Support Systems (DSS) for Hazardous Materials Emergency Response Operations, Journal of Hazardous Materials, 71(1-3), 503-521(2000) [7] Wei Jin et al, A Review
Chiabrando et al, UAV and RPV Systems for Photogrammetric Surveys in Archaelogical Areas: Two Tests in the Piedmont Region (Italy), Journal of Archaeological Science, 38(3), 697-710(2011) [13] Hongxia Cui et al, Research on Calibration of the Non-measurement Camera, Science of Surveying and Mapping, 30(1), 122-125(2005) [14] U.
Niethammer et al, UAV-based Remote Sensing of the Super-Sauze Landslide: Evaluation and Results, Engineering Geology, 128, 2-11(2012) [15] Chonghua Wang et al, A Research on aerotriangulation in UAVRS Image, Science of Surveying Mapping, 32(4), 41-43(2007) [16] Shengyin Liao and Hongbin Jiang, Emergency management of Geological Hazards, Journal of Geological Hazards and Environment Preservation, 22(1), 27-30(2011) [17] Chiara Audisio et al, A GIS Tool for Historical Instability Processes Data Entry: An Approach to Hazard Management in Two Italian Alpine River Basins, Computers & Geosciences, 35(8), 1735-1747(2009)

Journal of environmental science Vol.22(1996) p.4
Environmental science Vol.24(1998) p.6
Journal of soil Vol.4(2005)
Computer engineering and science Vol.32(2010) p.12
Journal of computer science Vol.26(2009) p.1

Liu: Journal of Harbin University of Science and Technology.Vol. 16 (2011), p. 11 [2] J.
Li: Journal of Mechanical Engineering.
He, etc: Advanced Materials Research.Vol. 500 (2012), p. 563 [4] L.
Song: Journal of Mechanical Engineering.
Vol. 11 (2000),p. 513 [8] WILLIAMS J G: International Journal of Fracture. vol. 170(2011),p. 37 [9] G.

Advanced Engineering Materials, 2012. 14(12): p. 1074-1081
Journal of Porous Materials, 2009. 16(1): p. 65-71
Advanced Engineering Materials, 2012: p. n/a-n/a
Journal of Porous Materials, 2012. 19(3): p. 307-315
Materials Letters, 2012. 80: p. 95-98

,,and follow the Hertzian elastic solution .E is elasticity modulus of the material. h is plastic modulus of the material. v is poison ratio of the material.
Cutting materials was employed with aerospace aluminum alloy 7050 -T7451.
International Journal of Material Forming ,2010 , 3 :431–4
International Journal of Mechanical Sciences ,2000 ,42 :1069–1086
International Journal of Mechanical Sciences ,2005 ,47:1611–1628

Introduction Clinching is a cold forming process for the joining of metal sheets or other material.
However, Image processing is a fully non-destructive and non-contact measurement tool and it has been widely used to examine the deformations of engineering materials [4,5].
[2] Zheng Junchao, He Xiaocong, Finite element analysis of energy saving jointing method base on energy materials: Clinching, Advanced Materials Research, 577 (2012), 9-12
Materials review, 5(2012), 140-143
[5] Li Gang, He Shuanhai, Ju Yongfeng, Image-based method for concrete bridge crack detection, Journal of Information and Computational Science,8(2013), 2229-2236.