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Recently, the γ-Fe2O3 attracted the interest to use as gas-sensitive materials in the field of environment protection [2].
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Ltd., China Building Materials Academy, Beijing, 100024 2 School of Materials, University of Science and Technology Beijing, China, 100083 3 Yingkou Qinghua Refratory Co.
These environmental friendly materials are expected to substitute for MgO-Cr2O3 refractory.
Insulation materials; 4.
Journal of Refractories, Japan, 2000, 20 (4): 266-270
Journal of University of Science and Technology Beijing, 2009, 31 (2): 207-214

In the present science and technology, the Non-Newton problem is becoming more and more important.
Proceedings of Adcances Materials Research Xiamen, China, 2013:1723-1728
Nonlinear property of the visco-elastic-plastic material in the impact problem.
Journal of Shanghai University (English Edition), 2009, 13(1): 23-28
Journal of Rheology, 1987, 31(1): 37-58

Microwaves penetrate inside of low loss dielectric materials and they are sensitive to the presence of internal interfaces and non-uniformities.
Microwave signals can penetrate deep inside low-conductivity dielectric materials and interact with their inner structure without suffering from high attenuation due to the grain size of a composite material .
Song Haiping, et al. [2] have presented a microwave phase sensitive method to detect the disbonds in the 1ayered dielectric material, this method is simple and speedy and suitable for real-time detection of the disbonds in 1ayered materials.
A Method of Microwave Phase Sensitive to Detect Disbond Defects in Layered Materials [J].
Journal of East China Normal University (Natural Science). 1999,2:55-60 [3] Fan Mingjie, Huang Yong, Qian Jian, Ying Qiuyan.

The material properties of steel are listed in table 1.
Material property of steel Yield Stress Density Elastic Modulus Poisson Ratio 345MPa 7800kg/m3 206Gpa 0.3 Analysis of deformation-stress contours Fig.2 shows the deformation-stress contours of tubular K-joint under impact force.
Acknowledgment The authors appreciate the support of the science and technology project of Jiangsu construction system (2013ZD13).
Experimental study on tubular T-joints under drop hammer impact loads [J] Journal of building structures. 2013, 34(4): 65-73.
Journal of Jiangsu university of science and technology (nature science edition). 2007, 21(4): 1-6.

Introduction A projects is generally long construction period and requires much materials and capital.
Fuzzy comprehensive evaluation of risks in third-party logistics.Journal of Dalian Maritime University (Social Sciences Edition)2008(8) P77-79 [4]WAN Ghui ping.
JOURNAL OF WUT ( INFORMATION & MANAGEMENT ENGINEERING ) .2010 (5) P P858-860 [5] Chunyan Yang Tsai Wen.
Extension project.Science Press.2007.8.P19 [6]WANG Jian-ming, ZHANG Ke-yong Risk Assessment of Supply Chain System Based on Extension Matter Element Model.
Science Technology and Industry. 2005(5), P49-53

The finite element model of the PRS is builted and shown in Fig.3 Material characteristic parameters.
The element type and material characteristic parameters used for the calculation are listed in Table 2.
Table 2 Element type and material characteristic parameters Element type Elastic modulus (GPa) Poisson ratio Density (kg/m3) Solid45 206 0.3 7.9×103 Boundary condition.
Acknowledgments The research was supported by the National Natural Science Foundation of China (50975232).
Lasky: Journal of Mechanical Design, Vol. 131 (2009), p. 011016-1 [2] Jin Qianzhong, Yang Jiajun, Sun Jianli: Mechanical Science and Technology, Vol. 18 (1999), p. 230 [3] Jin Qianzhong, Yang Jiajun, Sun Jianli: Manufacturing Technology and Machine Tool, Vol. 5 (1998), p. 13 [4] Jin Qianzhong, Yang Jiajun, Sun Jianli: Journal of Huazhong University of Science and Technology, Vol. 20 (1998), p. 82 [5] Zhao Ying, Ni Jie, Lu lina: Machine Design, Vol. 20 (2003), p. 34 [6] http://www.moog.com/products/actuation-systems/industrial/

Chinese Journal of rare earths, 2011, 29 (4): 422-427.In Chinese
Journal of Chemical Physics, 2010, 26 (2): 350-358.
[J] Natural Science Journal of Harbin Normal University, 1998,14 (1): 51- 56.
[J].Journal of Molecular Structure.2004. 673(1-3):181-189
[8] Lihong Gong, Xueqing Sha, Yang Gao, [J] Natural Science Journal of Harbin Normal University, 2002, 18 (3): 57-59.

Acknowledgements This work was financially supported by the National Natural Science Foundation of China (50778166).
Journal of the structural division.1971,97(ST4)：1081-1095
Recent deformation at Buena Vista Hills, California[J].American Journal of Science, 1968, 266(11): 737-757
Study on the Best Crossing Angle between Pipeline and Fault Considering Compression Failure of Pipe[J], Journal of Basic Science and Engineering, 2006,14(2): 203-209.
Responses of Buried Pipeline Crossing Fault Due to the Overlaying Soil Rupture[J], Journal of Basic Science and Engineering, 2009,17(6): 891-898.

The material properties in the finite element model are also borrowed from the three papers mentioned above and are shown in table 2.
We also found that the material properties have an important effect on the buckle propagation pressure.
Journal of Pressure Vessel Technology, 106, 150
International Journal of Mechanical Sciences, 42(5), 843-865
Journal of applied mechanics, 51(2), 269-277