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Progress in Materials Science, 54(2009): 397-425 [2] Shinji Takemoto, Masayuki Hattori, Masao Yoshinari, Eiji Kawada, Yutaka Oda, Corrosion behavior and surface characterization of titanium in solution containing fluoride and albumin.
The Journal of Prosthetic Dentistry, 96 (2006): 12 [4] Yasuko Takayama, Norio Takishin, Fujio Tsuchida, Toshio Hosoi, Survey on use of titanium dentures in Tsurumi University Dental Hospital for 11 years.
Journal of Prosthodontic Research, 53(2009): 53-59 [5] Amr S.
Dental Materials, 25 (2009): 48-57 [6] Bert T.
The Journal of Prosthetic Dentistry, 87 (2002): 277-280 [7] Shengli Ma, Kewei Xu, Wanqi Jie, Wear behavior of the surface of Ti–6Al–4V alloy modified by treating with a pulsed d.c. plasma-duplex process.

Microstructure Evolution of AS41 Magnesium Alloy in ECAP Zongli Pi1,2,a, Xiaofeng Zhang1,2,b , Ling Zhang1,2,c and Yinglong Li1,2,d* 1School of Materials Science and Engineering, Northeastern University, Shenyang, P.R.China 2Key Laboratory of Lightweight Structural Materials, Northeastern University, Shenyang, P.R.China apzl_1870356@163.com, b15640623271@163.com, c120844967@qq.com, dliyl@smm.neu.edu.cn Keywords: AS41 magnesium alloy; Equal channel angular pressing; dynamic recrystallization Abstract.
Some scholars[5-7] even successfully prepared ultrafine-grained materials by this technology.
Equal channel angular can produce large-size ultrafine grained materials.
Journal of Materials Science. 45 (2010), 4827-4836
Materials Characterization. 140 (2018) 207-216

Dynamic consolidation such as explosive compaction are attractive routes for the compaction of powdered materials and composites[6,7].
pin-on-disk tribometer with the test materials in conformal contact against a disk.
Manolakos, Journal of Material Processing Technology 115 (2001), p. 396 [7] D.
Ghasemi, Materials Science Forum Vols. 465-466 (2004) p. 213 [16] M.
Mai, Material Science and Engineering A 242 (1998), p. 304 [23] A.

However, these materials are not good in resistant soda corrosion, even in some enterprises they are not full used[2,3].
But, due to the high Ni content in the High-Ni-iron, the cost of materials has been increased.
In this sense, it is useful since the alloy iron enriches Ni and Cu, and it also means that some matrix materials are consumed.
Vinod Kumar,p.prasada rao.materials selection &design.2001,(8):72~75
Journal of Materials Science, 2005(10):2547-2555

Path optimization for Automatic Guided Vehicle Based on fusion algorithm of particle swarm and ant colony Yuanbin Hou1,a, Yiqian Yuan2,b, Baiping Li2,b 1School of Electric and Control Engineering Xi’an University of Science and Technology, Xi’an, China 2Communication an information engineering college Xi’an University of Science and Technology, Xi’an, China ahouybin@sohu.com, buhlan1984@163.com, Keywords: AGV, ant colony algorithm, particle swarm algorithm, global optimization.
Rule1 The robot is simplified to a material point.
Acknowledgment This work is supported by the National Natural Science 2009JM8002 References [1] Zhao Nan, Wu Zhilu, etc.
An Orthogonal-cluster Chaos Ant Colony Algorithm Based on Swarm-robots System M ission Planning Application Research[J], Journal of Chinese Computer Systems,Vol.31(1) (2010),p. 164-170
Research on path planning of robot using adaptive ant colony system[J]，Journal of Harbin Institute of Technology, Vol.42(7),(2010), p. 1014-1018

The material is considered homogeneous.
Acknowledgements The work is supported by the National Natural Science Foundation of China 41072234 and 50979052 and the Natural Science Foundation of Shandong Province ZR2009AZ001.
Chinese Journal of Rock Mechanics and Engineering, 26(4),( 2007): 682-691.
(In Chinese) [2] X.L.Zhang :Study on Numerical Methods for Modeling Failure Process of Semicontinuous Jointed Rock Mass[D].Wuhan: Institute of Rock and Soil Mechanics Chinese Academy of Sciences,2007.
Experimental Research on the Inf luence of Obliquity on the Mechanical Characterist ics of a Fractur ed Rock Mass[J], Journal of China University of Mining & Technology , 38(1),( 2009): 30-33.

Journal of PLA University of Science and Technology (Natural Science Edition).2003,4(3)
Journal of Southeast Unniversity.2003,33(3)
Study on rain wash properties and effect of Reinforcement Material for Highway sub grade Slope in Chinese [D].Shanghai,South China University of Technology Dissertation,2003
Forestry Science and Technology of Hubei, 2002.(2).

RFID Technology and Structure of Internet of Things Tang jia1, a 1Wuxi Professional college of science and technology, Wuxi 214028, China a tangjia2013@yeah.net Keywords: Internet of things, RFID, Key technology Abstract.
Also it can be classified by use, material, output signal type and manufacturing process.
Business Process Management Journal,2012,181:
International Journal of Operations & Production Management,2012,323:
Studies in Sociology of Science,2010,12:.

Acknowledgement This work was partially supported by "Priority Assistance of the Formation of Worldwide Renowned Center of Research - The 21st Century COE Program (Project: Center of Excellence for Advanced Structural and Functional Material Design)" from the Ministry of Education, Sports, Culture, Science and Technology of Japan.
Journal of Fuel Cell Science and Technology, no.1 (2004), p. 66 [4] E.
Wang : Journal of Fuel Cell Science and Technology, no.3 (2006), p. 131 [6] G.

The application of the dry twin screw vacuum pump is not only in the high and new technology fields of space simulation, semiconductor processing, advanced scientific instruments, but also in the chemical, food, medicine, material, biology and many other industry areas requiring clean vacuum [2].
Akutsu and Tadahiro: Journal of Vacuum Science and Technology, Vol. 17 (1999), pp.3507
Ohbayashi: Applied Surface Science, Vol. 169-170 (2001), pp.768
Zu: Journal of Vacuum Science and Technology (in Chinese), Vol. 27 (2007), pp.46.