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It means the building materials with rice-husk powder are actually quite durable.
Hokkirigawa, “Friction and wear properties of rice husk ceramics under dry condition”, Journal of Mechanical Science and Technology, Vol. 24 (2010), p. 85-88
Shankar, “Dry sliding wear and friction behavior of aluminum–rice husk ash composite using Taguchi’s technique”, Journal of Composite Materials, Vol. 49 No. 18 (2015), p. 2241-2250
Olubambi, “Corrosion and wear behaviour of rice husk ash—Alumina reinforced Al–Mg–Si alloy matrix hybrid composites”, Journal of Materials Research and Technology, Vol. 2, Iss. 2 (2013), p. 188-194
Mutlu, “Investigation of Tribological Properties of Brake Pads by Using Rice Straw and Rice Husk Dus”, Journal of Applied Sciences, Vol. 9 (2) (2009), p. 377-381.

Influence of Extrusion ratio on Forming of Thick-walled tube Jian Zhang1,2,a, Jianhua Song1,b, Xiaolan Wang1,c Xueqin Jin1, Zhihua Wang1,3 1 School of Materials Science & Engineering, Tianjin University of Technology, Tianjin 300384, China 2 Key Laboratory of Display Materials & Photoelectric Devices (Tianjin University of Technology), Ministry of Education, Tianjin 300384, China 3Tianjin Key Lab for Photoelectric Materials & Devices, Tianjin 300384, China azhang_jian_99999@126.com,bsongjianhua20054500@126.com, cxiaolanjx@163.com Keyword: large diameter thick-walled pipe extrusion ratio simulation Abstract: Employed DEFORM software to simulate vertical extrusion of large diameter thick-walled pipe, by using the Finite Element Method in the three-dimensional modeling software Pro/E of the CAD platform.
Acknowledgements This work was supported by Ministry of Industry and Information Technology of the People’s Republic of China support project under Grant No.2009ZX04014-063-03 and Tianjin Key Subject for Materials Physics and Chemistry.
References [1] Jiahui Qu, Luming Yao, Mingkai Yue, Tao Huang, The influence of extrusion ratio on structure of AZ31 magnesium alloy, Journal of Light Alloy Fabrication Technology,Vol.3(2009)
[6] Xiaolin Wang, Yang Yu, Shujin Liang, Erde Wang, The influence of hot extrusion process on grain size and properties of AZ31 magnesium, Journal of Materials Science and Technology,Vol.6(2005)
[7] Suling Cai, A numerical simulation method of aluminum extrusion process, Journal of Modern Manufacturing Engineering,Vol.4(2008).

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Related Research on the Crime of Illegal Invasion into Computer Information System Zeng Yi Nanchang University of Science and Technology Institute 330029 Key Words: Illegal invasion, Crime of computer information system Abstract.
Moreover, secrets of national affairs, secrets of national defense construction and secrets of advanced science and technology have the risk of being leaked if actors contact with these secrets without authorization.
The distinguishing of accomplishment and attempt of the crime of illegal invasion into computer information system If the principal crime is conduct crime, it does not necessarily produce material or tangible criminal results.
[2] Deng Shaowen: Research on the Crime of Illegally Breaking into the Computer Information System in the Perspective of Computer Information System in Art Colleges, Journal of Science and Technology Information, Vol. 14 (2011), p. 248
[3] Li Anqi: Punishment on the Crime of Illegal Invasion into Computer Information System, Journal of Rule of Law and Economy (Middle), Vol. 6 (2012), p. 122.

Berglund, Journal of Materials Processing Technology, Vol. 214 (2014), p. 592
Ghiotti, Journal of Materials Processing Technology, Vol. 177 (2006), p. 396
Lechler, Journal of Materials Processing Technology, Vol. 177 (2006), p. 452
Bleck, Materials Science and Engineering A, Vol. 487 (2008), p 445
Bleck, Materials Science and Engineering A, Vol. 478 (2008), p. 130

Hence it can be used to characterize materials with high accuracy [7].
The investigation of the thermal properties of materials as wells as the mechanical properties of materials using dynamic simulation has been utilized in the recent years [21].
Park: Journal of Applied Polymer Science.
Xu: Journal of Applied Polymer Science.
Feng: Materials and Designs.

References [1] J.W.Kaczmar, K.Pietrzak, W.Wlosinski.: Journal of Materials Processing Technology.
Vol.31(2007): 53 [7] Debin Shan, Fang Liu, Wenchen Xu etal.: Journal of Materials Processing Technology.
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Teh3.c, W.M.Arif4.d, and A.Chik5,e 1School of Materials Engineering, Universiti Malaysia Perilis, 02600 Jejawi, Perlis.
Sintering process has particularly important role in the synthesis of these materials.
Teke, et al., A comprehensive review of ZnO materials and devices.
Science, 137(1962) 993
Journal of Electronic Materials. 35(2006) 550-555

In order to obtain different performances, the hard-brittle materials such as silicon, ceramic, glass and ferrite are employed as the materials of micro components.
This confirms that the new tiny-grinding wheel can machine the microstructure of the brittle materials effectively.
Syoji, et al.: Key Engineering Materials, Vol. 257 (2004), pp. 95-100
Yan: Key Engineering Materials, Vol. 304 (2006), pp. 181-185
Yu, et al.: International Journal of Materials and Product Technology, Vol. 31 (2008), No. 1, pp. 113-124

The n-Cu particles can be directly applied as a catalyst for the chemical industry, but also as additives or fillers in lubricating oil, high conductivity, high strength materials such as copper has an important purpose.
References [1] Tan Shusong: Nonferrous metal material science (Metallurgical Industry Press, Beijing 1993)
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Palit and Tulsi Mukherjee: Chemical Physics Letters Vol. 355 (2002), p.383 [4] Wu Szehan and Chen Donghwang: Journal of Colloid and Interface Vol. 273 (2004), p.165 [5] WANG Xiao-li, XU Bin-shi, XU Yi: Journal of Central South University of Technology Vol. 12(S2) (2005), P. 203 [6] Huang Junsheng and Ren shan: Materials Science and Engineering Vol. 19(2) (2001), p. 76 [7] Li Baozhi: Non-Metallic Mines, 30 (2007), p. 8 [8]Yao Chao, Li Jinchun, Ding Yonghong: Non-Metallic Mines, 30(6) 2007, p. 1 [9] Qiao Yulin: Lubrication and nanoparticles self-healing technology (National defense industry Press, Beijing 2005)
[10] Ma Zhiling, Wang Jinghui, Ma Chunyu: Journal of Hebei University (Natural Science Edition), 27(3) (2007), p.283