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Advanced Materials Research. 278 (2011) 277-282
Materials Science and Engineering: B. 130 (2006) 254-263
Materials & Design. 49 (2013) 25-27
Materials Characterization. 67 (2012) 52-64
Materials Science and Engineering: A. 360 (2003) 390-395.

Materials.
Materials, which are of direct effect on the experiment results are: magnetic fluids, soft magnetic materials (magnetic poles and sealing sleeve) and hard magnetic materials (permanent magnets).
Krakov , Magnetic fluids engineering applications, Oxford Science Publications, 1993 [3] E.
Muller, Sealing liquids with magnetic fluids, Journal of Magnetism and Magnetic Materials ,85,(1990) [7] J.
Mraz, Hermetic Sealing with Magnetic Fluids, Machine Design; May 7, 1992; 64, 9; ProQuest Science Journals pg. 79

In grinding brittle materials such as single crystal silicon, material removal mechanisms can be classified as ductile and brittle mode.
A hypothesis has been advanced according to which all materials, regardless of their hardness and brittleness, will undergo a transition from a brittle to a ductile mode below a critical depth of cut [10].
Goto Study on ductile mode grinding of brittle materials using single abrasive grain, Proceedings of JSME/ASME Int'l.
Conf. on Materials and Processing 2002, Honolulu, USA, pp.635-638
Journal of Material Science. 10, 113(1975)

Material model and parameter are shown in table 2, and Fig.4 shows the FEM model.
Table 2 Material model and parameters Material model Density/ g/cm³ Modulus/ GPa Poisson's ratio Linear Isotropic 2.71 69 0.3 Fig. 4 Local FEM model of train body Modal calculation and analysis.
In this condition, Von mises stress is 35.3MPa and the maximum displacement is 30.2mm, and the displacement is a bit large which shows the stiffness of sidewall performs to be a bit weak while the stress is acceptable and much lower than yield stress of material.
Acknowledgements Key Projects in the National Science & Technology Pillar Program during the 11th Five-Year Plan Period (009BAG12A07-C02) Hongguoyuan personnel training plan (151032522) References [1] Jing Zhao, RenXian, Li Jianliang Li; High-speed train through the tunnel flow field numerical simulation; Subgrade Engineering; Vol.142(2009),P54, In Chinese [2]Yuangui Mei, Zhaohui Zhou; Numerical Analysis of Transient Pressures inside High Speed Passenger Trains through Tunnels; Journal of the China Railway Society, Vol.27，2005, In Chinese [3] Rui Cao; Numerical Simulation of the Aerodynamic Behaviors of High Speed Train; Beijing Jiaotong University; 2010, In Chinese [4]Guangpeng Zhang, Bo Lei, Qiong Li; Influence of Maglev Train Sealing Characters on the Tunnel Cross-section Area; Journal of the China Railway Society, Vol.27，2005, In Chinese [5] Yuan Gao; Research on structure strength of EMU first-class carbody; Beijing Jiaotong University; 2007, In Chinese

Stiffness coefficient based on literature [8] selected, depending on the material and structure of an impacting object shape,.
The model of gear materials were , the Poisson's ratio .
Shandong: Shandong University of Science and Technology, 2006 [6] Kai, Cheng Ying.
[8] Ling P.W, The Needed Optimal Cycle for Prediction Accuracy of Single Stock Price Behavior in Taiwan by Fractals Theory, IEIT Journal of Adaptive & Dynamic Computing, 2011(3), Jul 2011, pp:1-4.
DOI=10.5813/www.ieit-web.org/IJADC/2011.3.1 [9] Hu Y., Xiong P., Yang X, Synthesis and Characterization of Surface-Modified Tourmaline with Aluminic Ester, IEIT Journal of Adaptive & Dynamic Computing, 2011(3), Jul 2011, pp:5-9.

., LTD and the National Science Council under grants NSC91-2212-E-150-022 and NSC92-2212-E-150-033.
[2] J.D.Kim and D.S.Kim, “The development of software for shaving cutter design”, Journal of materials processing technology 59(1996) 359-366
[5] J.K.Hsieh, H.C.Tseng and S.L.Chang, “novel hob cutter design for the manufacture of spur-typed cutters”, Journal of materials processing technology 209(2009) 847-855.

Members can be arranged to make the best of their individual material properties.
The sections and material properties of he single BSS are shown in Table 1.
Acknowledgements This research is supported by National Natural Science Foundation of China (No. 50978178).
Chen: Journal of Building structures.
Cui: Journal of Lanzhou University of Technology.

Studies on the Effects of Particle Size in Direct Reduction Roasting of Limonite Ores Jue Kou1, a, Tichang Sun1,b, Yongli Li1,c, and Yunye Cao1, d 1School of Civil and Environment Engineering, University of Science and Technology Beijing, Beijing, 100083 akoujue@hotmail.com, b suntc@ces.ustb.edu.cn, cliyongli1229@163.com Keywords: Limonite Ore, Direct Reduction Roasting, Particle Size, SEM Abstract.
Qi et al.: The Chinese journal of nonferrous metals.
Hazardous Materials.
Zhao: Journal of iron and steel research, Inter.
Experimental Materials The limonite ore (hereinafter referred to as raw ore) used in this study originated from Ningxia province, China.

Influence of High Temperatures on Surface Cracking of Concrete Studied by Image Scanning Technique (2010) Jordan Journal of Civil Engineering, 4, pp. 155-163
Effects of elevated temperatures on properties of concrete (2007) Fire Safety Journal, 42, pp. 516-522
Thermal Properties of Concrete at Elevated Temperatures (1970) J. of Materials, 5, pp. 47-74
Physical-mechanical properties of the modified fine-grained concrete subjected to thermal effects up to 200°С (2014) Applied Mechanics and Materials, 633-634, pp. 1013-1017
Test on Strength and Deformation of Concrete Under Complex Stress at Elevated Temperature (1994) Building Science Research, pp. 47-50

Materials and Methods Materials Soybean meal, industrially produced by 93 Oil Co., Ltd (Heilongjiang, China) was used as the protein source.
Nakamura: Journal of Agricultural and Food Chemistry Vol. 40 (1992), p. 945-948
Oyaizu:Journal of the Japanese Society for Food Science and Technology Vol. 35 (1988), p. 771-775.