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Introduction The addition of elements which improve the room-temperature strength and high-temperature creep resistance of materials plays an important role in alloy design.
The Fermi energy level is shifted to zero Acknowledgements This work was supported by the National Natural Science Foundation of China (Grant No. 10705055) and the Science Foundation of the Central South University of Forestry & Technology (Grant No. 06y016).
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The workpiece material was assumed to be elastic-perfectly plastic.
International Journal of Mechanical Sciences 1988; 30(11): 847-868
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By Glotzer [5] simulation involves the application of mathematical models using a computer to study the underlying physical and chemical processes, and prediction of the behavior and properties of systems, including natural and artificial materials, flow in liquid and gases, energy at all scales including the cellular level and biomedical sequence.
Finite element analyses and Computational Fluid Dynamics are important parts of the Virtual environment, as they are replacing expensive physical prototyping, particularly in the early conceptual design stage, where important decisions have to be made regarding fundamental product geometry, materials and manufacturing processes.
Rapid Prototyping Journal, Vol.12, No.5, 2006, 304-309
[4] Gradinscak, M., Redesigning Engineering Education for a Globalised World, International Journal of Arts & Sciences, Vol.4, Number 25, 2011
WTEC Panel Report on International Assessment of the Research and development in Simulation-Based Engineering &Science, World Technology Evaluation Center, INC.

Methodology Materials.
During the test, it was observed that the filter should be washed at the beginning of each test as the filter may get clogged with the organic matter and the fine materials already in the media.
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Escobedo, Deep bed filtration of anaerobic cattle manure effluents with natural zeolite, Journal of Environmental Science and Health PART B, 34, 2 (1999) 305-322
Jegatheesan, Evaluating the performance of horizontal subsurface flow constructed wetlands using natural zeolite (escott), International Journal of Environmental Science and Development, 2, 4 (2011) 311-315

The Effect of Casting Speed on Sump Shape and Ingot Surface of HDC Casting 7075 Aluminum Alloy Ingot Qingfeng Zhu1, a, Zhihao Zhao1, b, Xiangjie Wang1, c and Jianzhong Cui1, d Key Laboratory of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang 110819, P.
Cui: Journal of Materials Processing Technology Vol. 182 (2007) p.185 [4] Z.H.
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Shi in 1998, it has been widely used to research the geotechnical problems regarding to discontinuous materials and large deformation.
Numerical simulation Due to the existence of relative weak discontinuities, the failures mechanisms of highly jointed rock slope always depend on the occurrence and physical-mechanical properties of discontinuous materials to a great extend.
Ph.D. thesis, Wuhan Institute of Rock and Soil Mechanics Technology,the Chinese Academy of Science, China, 2007 (In Chinses)
Cai: Chinese Journal of Geotechnical Engineering, Vol 31 (2009), p 1088-1093 (In Chinese) [3] A.
Zhang: Chinese Journal of Rock Mechanics and Engineering,Vol 27 (2008), p 664-672 (In Chinese) [4] G.

The material properties are shown in Figure 2.
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (61163048), the Aviation Science Foundation of China (2012ZF56027), and the Scientific Research Foundation of Key Laboratory of Nondestructive Testing, Ministry of Education (ZD201129007).
In Chinese [4] Bing Guo, Qiang Gu and Feng Liu: Journal of Building Structures.
In Chinese [5] Cavidan Yorgun and Güliz Bayramoglu: Journal of Constructional Steel Research.
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Abstract: It is very important to consider the distribution of range, range straggling and lateral spread of ions implanted into semiconductor materials in design and fabrication of semiconductor integration devices by ion implantation.
Introduction Erbium (Er) ions doped materials are of great importance to modern communication systems, due to Er3+ intra-4f emission at 1.54 μm, a standard telecommunication wave length[1,2].
SOI:Er is one of the prospective materials for light sources emitting at 1.54 μm at room temperature (RT).
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Wang, et al.: Journal of Shandong Jianzhu University Vol. 24 (3) (2009), p. 212 [11] M.

Nanostructured Materials in Electrochemistry, Wiley-VCH, Weinheim
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