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The effect of the molar ratio of MgO/Al2O3 on the sintering and thermal shock resistance of the composite materials was studied.
Szczerba: Journal of the European Ceramic Society.
Mohapatra: Journal of Materials Processing Technology.
Rendón-Angeles, et al: Journal of the European Ceramic Society.
Yu, et al: Advanced Materials Research, Vol. 194-196 (2011), p. 1755-1758.

Advanced Materials, 2009. 21(21): p. 2233-2239. 5.
Journal of Materials Science, 2002. 37(18): p. 3855-3860. 8.
Materials Science and Engineering B-Solid State Materials for Advanced Technology, 2006. 131(1-3): p. 147-155. 10.
Journal of Sol-Gel Science and Technology, 2009. 52(3): p. 424-431. 11.
Journal of Materials Research, 1999. 14(2): p. 549-559. 13.

Materials ENR25 and ENR40 (the extent of the epoxidation is 25% and 40% respectively) are prepared in our factory.
Chinese Journal of Polymer Science, 2002, 20, 119-127
Journal of Applied Polymer Science, 1971, 15, 351-367
Journal of applied polymer science, 1999, 71, 855-863
New Chemical Materials, 2002, 5, 011

Ophiopogon plant without root MATERIALS AND METHODS Material Strains: strains of Azotobacter N1，Bacillus B1 (see Table 1, isolated by our laboratory).
Plant materials: The Ophiopogon plants collected from the Santai, Mianyang, the traditional producing areas of Ophiopogon.
Journal of Changchun institute of traditional Chinese medicine, Vol. 20-1 (2003), p. 35-36 [4] Li Qiongfang, Liu Mingxue, Environmental Science & Technology.
Vol. 37-3 (2006), p. 563-567 [5] Cao shuhua，Zhaxiangdong, Journal of Anhui Agricultural Sciences，Vol. 31-4 (2003), p. 599-601 [6] Wang Weiling，Wang Zhan，Research and Exploration in Laboratory，Vol.20-4 (2010), p. 2921-23 [7] Yang Minwen，Chinese Journal of Spectroscopy Laborator，Vol. 19-4（2002），p. 478-481 [8] Hu jiangchun, Xue Delin, and Ma Chengxin.
Chinese Journal of Applied Ecology, Vol. 15-10 (2004), p. 1963-1966 [9] Li Zhong-guang, Gong Ming.

The research not only enriches the seepage research methods, but also provides theoretical basis for effective development of ultra-low permeability reservoir. 2 Materials and Methods 2.1 Materials Quotation[11]: By constant -rate mercury injection, when porosity and permeability of the natural sandstone outcrops are close to those of the ultra-Low permeability reservoir, their throat radiuses are similar to each other.
Fig.2 Physical model The models are casted and made airproof with pressure and high-temperature resistant materials.
Journal of Xi’an Shiyou University (Natural Science Edition), 1990, 5(2): 1－6
Journal of Southwest Petroleum University (Science & Technology Edition）, 2012,34（1）:147-153
Journal of Chongqing University of Science and Technology (Science & Technology Edition), 2011,13(5):105-107

Experimental Materials.
Acknowledgements We are grateful for the financial supports of this research from Key Discipline on Wood Science & Technology in Yunnan Province, Program for Innovative Research Team (in Science and Technology) in University of Yunnan Province, Biomass Materials Engineering Research Center in University of Yunnan Province, and the Foundation of Southwest Forestry University, China.
Li: Journal of Building Materials, Vol.10 (2007), p. 183.
Dend: Journal of North China Institute of Science and Technology, Vol.4 (2007), p. 29.
Li: Henan Science, Vol.25 (2007), p. 204.

It is argued that new electrode materials can be increase the surface area of the contact with oxygen, plays a catalytic role in the oxygen generating hydrogen peroxide reaction.
Acknowledgments This research was supported by Suzhou Institute, China University of Science and Technology (215123), and College of Chemistry, Chemical Engineering and Materials Science, Soochow University (215123).
S Yang: submitted to Journal of Hazard Mater, (2006) [2] Z.M.
Chen and Chan’e Yuan: submitted to Journal of Hazardous Materials (2008) [10] S.J.
Yu: submitted to Journal of Colloid and Interface Science 321(2008)

It has been extensively used in textile, coating, architecture, optical fiber and national defense materials.
[2] Ping Zhong, Dajian Qiu, Dingyi Zhao, et a1: Journal of Materials Protection,Vol.37(2004),pp.11-15(in Chinese)
[20] J.W.Stansbury ,J.M.Antonucci: dental materials, Vol.15(1999),pp.166-173
Journal of south china university of technology(natural science edition),Vol.33(2005),pp.52-55(in Chinese)
[25] Cong Li, Jiacai Li, Guangxuan Liu: Polymer materials science and engineering, Vol.26(2010),pp.1-3(in Chinese)

Fig. 4 represents the erosion rate of the two tested materials as a function of exposure time.
The erosion rate behavior of the two materials is somewhat similar to each other.
Martin, Cavitation erosion of materials, Int.
Cheng, Cavitation erosion and damage mechanisms of alloys with duplex structures, Materials Science and Engineering A242 (1998) 108–120
Lai, Recent developments in stainless steels, Materials Science and Engineering R 65 (2009) 39–104 [18] J.

Soil nailings were two type of materials, one was HRB335 steel, another was GFRP.Grouting cement was No.425, friction angle was 50°, GFRP bar’s elastic modulus was 45 GPa.The model consisted of 9600 zones, 11050 grid-points,832 structural-elements and 709 nodes.
Two different types of materials were applied as soil nailing, plastic zone distribution was obtained by numerical simulation, shown in Fig 2.
Journal of Structure Engnr, Oct. (2009), p.1164~1175
Chinese Journal of Solid Mechanics (2011), 2.32(1), p.88-93(In Chinese)
Engelhardt, ect.Journal of Bridge Engnr, Sept.