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Up to now, they have been applied to chemical reactions, material manufacture, separation and purification etc[7-10].
Equipments and Reagents Reagents Methane（>99%，）is from Xi’an JiaYou gas Ltd.; Ionic liquid(>99%) from Lanzhou Institute of Physical Chemistry, Chinese Academy of Science; Bidistilled water is made by ourselves.
Acknowledgements This work was financially supported by the Program of Shannxi Municipal Education Commission (09JK836) and Shannxi Science and Technology Commission (2009JQ2014).
P Mark: Canadian Journal of Physics Vol.81(2003), p.451-457
Mork and et a1: Chemical Engineering Science Vol.50(1995), p.863-870

The Analysis of Building Subsidence Prediction Based on Grey Model Combined with Radial Basis Neural Network Yan Bai1,2,a, Qingchang Ren3,b and Fankui Zeng4,c 1School of Science, Xi'an University of Architecture and Technology, Xi'an, Shannxi, 710055, China 2 School of Civil Engineering, Xi'an University of Architecture and Technology, Xi’an, 710055,China 3 School of Information and Control Engineering, Xi'an University of Architecture and Technology, Xi'an, Shannxi, 710055, China 4 School of Architecture Engineering, Xi'an Technological University, Xi’an, Shannxi, 710000, China acoffeetreecn@126.com, brenqch@163.com, cfankuizeng@126.com Keywords: Prediction Model, Subsidence Predicting, Neural Network, Grey Model.
Fig. 1 Profile of the central tower Fig. 2 Monitoring points for the Skirt Building Considering the central tower’s steel-concrete material, vertical palms together design, symmetrical configuration, the subsidence data in point NO.19, 20, 21, 22, 23, 24, 25, 26 and 27 were sampled for modeling, and the subsidence values showed in Fig. 3.
Computer engineering and science Vol. 30 (2008), p. 122 (in Chinese) [4] J.K.
Fang: The Grey theory and application (Science Press Publishing, China 1999) (in Chinese)
Journal of Xi'an University of Architecture and Technology Vol. 40 (2008), p. 667 (in Chinese)

The Application of Cloud Computing Technology in Operating System Teaching Assistant System Liping Yang1, a , Dawei Xu2,b , Wei Wang1, c 1 Computer Science and Technical Institute, Changchun University, Changchun, China 2 School of Electronic and Information Engineering, Changchun University, Changchun, China ayanglipingtea@163.com, b24003908@qq.com, c20017008@qq.com Keywords: Cloud Computing; Operating System; Teaching Assistant System; Abstract.
Using cloud computing technology can be integrated with existing hardware resources, and reduce the cost of purchasing software, and can carry on the online learning and distance education in the limited funding and time conditions, which not only ensure the traditional teaching material, and increases the dynamic knowledge about operating system, more important is to make the abstract difficult teaching courses on operating system image, organized.
Secure virtualization for cloud computing: Journal of Network and Computer Applications.
[4] Hongpeng Ma and Li Xing, Design and implementation of a virtual network storage system: Computer engineering and Science.
[5] Ying Zhang, Research on the Application of Cloud Computing Technology in the resources construction: Science and technology information .

A Virtual Reality Safety Training System for Coal Mining Industry Li Hua-Ming1,a, Kang Bao-Sheng1,b 1College of Information Science and Technology, Northwest University, Xi’an 710127, China ahuaminglee@hotmail.com, bbskang@nwu.edu.cn Keywords: coal mining, script-driven method, entity objects, simulation training, virtual reality Abstract.
So we can build a new training scenes or tasks quickly, without any programming, through using tools such as scene editor, tasks/script editor, and using components included material library such as terrain, equipment, human models, etc.
Squelch: The Journal of The South African Institute of Mining and Metallurgy,(July,2001) p.209-216 [2] Etienne van Wyk, Ruth de Villiers: Proceedings of the 6th International Conference on Computer Graphics, Virtual Reality, Visualisation and Interaction in Africa (New York, USA, 2009), p.53-63 [3] Fuhua Lin, Lan Ye, Vincent G.
Duffy, and Chuan-Jun Su: Information Sciences, Vol. 140, Issues 1-2 (2002), p.153-170 [4] VAN WYK, E.A.: Proceedings of the ED-MEDIA 2006 World Conference on Educational Multimedia, Hypermedia and Telecommunications (2006), p.2454-2459 [5] Wang Deyong, Wu Zilian and Du Weixin: Coal Mine Machinery, 27, (2006), p.172-173 [6] P.
Yumei: First International Workshop on Education Technology and Computer Science, vol. 3, (2009), p. 950–952

Materials and Methodology.
Materials.
All materials were used as received.
Xu, Mesoporous silica nanoparticles as potential carriers for enhanced drug solubility of paclitaxel, Materials Science and Engineering C. 78 (2017) 12–17
Vallet-Regí, MCM-41 organic modification as drug delivery rate regulator, Chemistry of Materials. 15 (2003) 500–503

Nor1 1 Dept. of Mechanical Engineering, Universiti Tenaga Nasional,Putrajaya Campus, Malaysia 2 Dept. of Mechanical and Materials Engineering, Universiti Kebangsaan Malaysia, Bangi, Malaysia amujibur@uniten.edu.my, bkamal@eng.ukm.my Keywords: Warm compaction, Numerical simulation, Metal powder, Experimentation.
However, the displacement control approach is proven to be an efficient technique for non-linear plasticity analysis such as to model the compaction behaviour of powder materials since at low density levels, a large deformation can be resulted by a small amount of load [13].
The method is based on Hill's variational principle for incremental deformations and is ideally suited to isotropically Prandtl-Reuss materials and high-speed deformation.
Acknowledgements This research is financially supported by the Ministry of Science Technology and Innovation-Malaysia through the research project 03-02-03-SF0146.
Masaaki: Journal of Engineering Materials and Technology Vol. 113(1991), p. 425 10.

Materials show different fracture behavior under dynamic load from that in static load.
Moreover, a singularity stress field is formed in the part around defects when the defect like the crack exists in the material, and a rapid decrease in material strength is caused.
As a light metal material which substitutes it for the resin material it not to be possible to follow to the flow of thin, light and small products in respect of the rigidity in the consumer electronic field recently, and lightness and the high strength material such as magnesium alloys try to be used widely.
S.Takahashi, T.Shimizu, Science of Machine, 37-4 (1985), p485-490 2.
T.Shimizu, H.Shimada, JOURNAL of JSNDI 31-4 (1980), p125-133 0 10 20 30 40 50 60 70 80 90 0 1 2 3 4 5 crack angle(degree) KI (MPa࡮m^1/2) ٤� static� �� �� �� � ٨� dynamic 0q 45q 90q 90q Fig.8.

Ushioda2 1 Department of Materials Science, Osaka Prefecture University, Sakai 599-8531, Japan 2 Steel Research Laboratories, Research and Engineering Center, Nippon Steel Corporation, Futtsu 293-8511, Japan a honda.kj.09@mtr.osakafu-u.ac.jp, b numakura@mtr.osakafu-u.ac.jp (corresponding author) Keywords: dual-phase steel, Snoek relaxation, carbon, iron, ferrite, martensite Abstract.
Such effects of alloying elements are to be studied next, after building the method with simple unalloyed materials.
Composition, equilibration temperature and phase constitution of the materials.
Kinra (Eds.), M3D III: Mechanics and Mechanisms of Material Damping, ASTM STP 1304, American Society for Testing and Materials, West Conshohocken, PA, 1997, pp. 383-393
Massalski (Ed.), Binary Alloy Phase Diagrams, Second ed., ASM International, Vol. 1, Materials Park, OH, 1990, pp. 842-848

Ultrasonic vibration turning possess the advantages of small cutting force, high efficiency, high machining accuracy, high surface precision and long tool life [10], so it applies to precision machining and ultra precision processing of difficult machining materials such as hardened steel.
Materials and Experimental procedures Materials.
The main cause of residual compressive stress induced in turning process was a large plastic deformation produced in materials surface , which PCBN cutter flank Repeatedly pressed on GCr15 bearing steel and negative chamfer and Obtuse parts of cutter extruded material in front of cutter .
The springback amount of GCr15 surface materials reduces with deformation increasing, so the ironing effect weakened when ultrasonic turning GCr15 bearing steel.
ASME, Vol.122 (2000) , pp.642–649 [8] Meng Liu, Jun-ichiro Takagi, Akira Tsukuda: Journal of Materials Processing Technology, Vol.150(2004) No. 3,pp. 234-241 [9] S.R.

Introduction Phase Change Materials (PCMs) are latent heat storage materials.
PCM are effective, they store 5 to 14 times more heat per unit volume than conventional storage materials such as water, masonry, or rock.
Haghighat et al.: Journal of Materials in Civil Engineering Vol. 10(1998), p. 98–105
Hawes et al.: Solar Energy Materials and Solar Cells Vol. 22(1991), p. 231–42.G
Gschwander et al.: Solar Energy Materials and Solar Cells Vol. 89(2005), p. 297–306