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Thirdly, belt conveyor directly transported backfill materials to the gob.
When gobs distributed between neighboring levels, ore pass was excavated and formed a channel for filling materials.
Jiránková: International Journal of Rock Mechanics and Mining Sciences Vol. 53 (2012), p. 111 [5] P.R.
Alp: Journal of Hazardous Materials Vol. 168 (2009), p. 848 [7] F.T.
Tannant: International Journal of Rock Mechanics and Mining Sciences Vol. 38 (2001), p. 735 [8] M.H.

Journal of Environmental Management, 2012, 109: 179-188
Journal of Cleaner Production, 2006, 14: 542-550
Journal of Cleaner Production, 2011, 19: 241-252
Journal of Cleaner Production, 2006, 14: 1603-1611
Journal of Dalian University of Tchnology (Social Sciences), 2007, 28(2): 25-29.

A Simple Co-rotational Finite Planar Beam Element of Geometrical and Material Nonlinearity Songbai Cai1, a, Dazhi Li1,b,Changwan Kim2,c and Pusheng Shen3,d 1College of Resources and Environmental Science, Hunan Normal University, Changsha, P.
Introduction Numerical modeling of engineering structures normally involves nonlinearity generated by geometrical changes that occur in the structure and nonlinearity generated by the behavior of materials.
Material Relations.
Loganathan, Geometric and material nonlinear behaviour of beam-columns, Comput.
Shugyo, Elastoplastic large deflection analysis of three-dimensional steel frames, Journal of Structural Engineering, 129 (2003) 1259–1267

In the general literature, luminous energy is converted into heat energy when photons of laser beam were absorbed by the materials.
Because the heat energy is more than the latent heat of fusion, the materials was melt under the irradiation of laser beam.
J51402), the Special Foundation of the Shanghai Education Commission for Nano-Materials Research (No. 0852nm01400) and the Crucial Project of the Shanghai Science and Technology Commission (No. 08520513400), China.
References [1] Yuping Pu, Baogang Guo, Jiansong Zhou, Shitang Zhang, Huidi Zhou, Jianmin Chen: Applied Surface Science Vol. 255 (2008) p. 2697 [2] Yongzhong Zhang, Zengmin Wei, Likai Shi, Mingzhe Xi: Journal of Materials Processing Technology Vol. 206 (2008) p. 438 [3] Sen Yang, Wenjin Liu, Minlin Zhong, Zhanjie Wang: Materials Letters Vol. 58 (2004) p. 2958 [4] S.A.Vaziri, H.R.Shahverdi, M.J.Torkamany, S.G.Shabestari: Optics and Lasers in Engineering Vol. 47 (2009) p. 971 [5] H.C.
Journal of Refractory Metals & Hard Materials Vol. 27 (2009) p. 472 [8] Kamel Abderrazak, WassimKriaa, WacefBenSalem, HatemMhiri, GeorgesLepalec, MichelAutric: Optics & Laser Technology Vol. 41 (2009) p. 470 [9] Young-Deuk Kim, Woo-Seung Kim: International Journal of Heat and Fluid Flow Vol. 29 (2008) p. 1481 [10] A.

For the corrosion resistance of materials the icorr (corrosion current density) was smaller, the corrosion resistance of materials was better.
“Microstructure and Corrosion Resistance of Microarc Oxidation Film on AZ91D Magnesium Alloy”, Materials Protection, 2004, pp. 17-22
“Effects of Current Frequency on the Microstructure and Wear Resistance of Ceramic Coatings Embedded with SiC Nano-particles Produced by Micro-arc Oxidation on AZ91D Magnesium Alloy”, Journal of Materials Science & Technology, 2010, pp. 865-871
“Study on m icroarc oxidation processes for Mg alloy”, Materials Science & Technology, 2007, pp. 22-26
“Effect of operating condition on m icro-arc oxidation ofmagnesium alloys”, Materials Science & Technology, 2006, pp. 1-11.

Because many companies used of raw materials which were often of substandard drop fruits with the growth and harvest stage.The raw material of maturity, health, freshness can't control, so it’s easy to cause the patulins in canned fruits to exceed the standard problem.
Materials and methods Instruments,reagents and materials Waters2695HPLC(Waters Corporation); Centrifuge (Japan-Hitachi); Vortex mixer (Germany IKA); Solid-phase extraction device (HP6019); Electronic balance (AUY 220).
[2]X.P.Zhang,Y.R.Li,J.L.Shi,T.L.Yue, Review on the control of patulin in Apple Juice, J.Agricultural science and Chinese,37(2004) :1672-1676
Shanghai Journal of Agricultural Sciences, 25(2009):27-31
[7] J.Y.Yin, M.L.Ni,D.H.Xie,Z.Q.Li,K.T.Fang,Z.T.Zhang, Determination of patulin residues in concentration apple juice by high performance liquid chromatography, J.Journal of Analytical Science, 23(2007):119-121

The current level of the development of composite materials allows producing laminate structures with the desired properties.
Advantages and disadvantages of glulam joints where composite materials are used are noted.
Examples of the joint use of composi\te materials and timber in Russia and internationally are given.
Conclusions about the possibilities and ways of using composite materials in the design of wide-spanned glued timber structures are drawn.
Conclusions The composite materials (carbon fiber in particular) have good prospects as construction materials.

Aegerter, Tensile Testing of Metallic Materials: A Review.
Material Science Engineering (1996), Vol.
Journal of Materials Processing Technology (1997), Vol. 63, pp.358-363
Journal of Materials Processing Technology, Turkey (2005), Vol. 169, pp.292-298
Journal of Materials Processing Technology, China (2008), Vol. 197, pp.43-48.

Cutting Conditions and Measure Mothod Workpiece Material Workpiece material used in the experiments was titanium alloy TC11, which belongs to martensitic titanium alloy α+β two-phase.
Acknowledgment The authors acknowledge the support of Science and Technology Major Project (2009ZX04014-053), National Natural Science Foundation (50975237), and Northwestern Polytechnical University Science and Technology Innovation Funding of china (NO. 2008KJ02018).
Lara-Curzio, “Effect of surface integrity of hard turned AISI 52100 steel on fatigue performance,” Materials Science and Engineering A, Vol. 459, pp. 337–346, 2007 [4] A.
%V Alloy,” Fracture of Nano and Engineering Materials and Structures， Springer Netherlands，2008：1319-1320
Bhat, “Effect of machining parameters and heat treatment on the residual stress distribution in titanium alloy IMI-834,” Journal of Materials Processing Technology, Vol. 139, pp. 628-634, 2003 [9] A.

Experimental Conditions and Procedure Materials and Preparation.
Both materials had a boron nitride coating applied, which was used to reduce shear stresses during the SPF process.
Journal of Materials Engineering and Performance.
Journal of Materials Engineering and Performance.
Journal of Materials Science, Vol. 35, pp. 2785 - 2789, 2000.