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Introduction Much of the interest in nanotechnology today is focused on various applications of semiconductor materials.
Seifert, InAs nanowires grown by MOVPE, Journal of Crystal Growth, 298 (2007) 631-634
Hamidinezhad, Journal of Fundamental Science, Vol. 6, No. 2(2010) 131-135
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Banthia 1,b 1 Materials Science Centre, Indian Institute of Technology, Kharagpur-721302, India.
Transition metal nitrides form a class of materials with unique physical properties, which give them varied applications, as high temperature ceramics, magnetic materials, superconductors or catalysts.
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Due to the merits such as low cost, high conductivity and excellent oxidation resistance of Cu-Ag alloy, it may be one of the promising new conductive materials [10].
Amit, Preparation of copper powder by glycerol process, Materials research bulletin. 37 (2002) 407-416 [5] Y.
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Materials and Methods Materials and Reagents.
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Introduction Silicon and Si-base materials are the main materials for MEMS devices.
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Salt damage in porous materials: how high supersaturations are generated [J].
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Study of Stochastic Damage Constitutive Relationship for Concrete Material [J].
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Journal of The Chinese Ceramic Society.2001,29(6)：530-534 (in Chinese) [13]Kosa K, Naaman A E, Corrosion of steel fiber reinforce concrete, ACI Materials Journal,1990,87(1): 27-37

Materials and methods Plant materials.
Wang, et al: Journal of Resources and Ecology, Vol. 3 (2012), p.330 [2] N.J.
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For transesterification of organic carbonates, its equilibrium conversion is low due to the limitation of thermodynamics and its raw materials are limited by petrochemical processing[7].
It has some advantages, such as easy separation of products and abundant of raw material.
Experiment sections Materials EC was provided by Jiangdu Xinhua Chemical Company of China.
Mouloungui, The Journal of Supercritical Fluids, 50 (2009) 46-53
Wang, Chinese Journal of Catalysis, 33 (2012) 595-600.

(3) Coal mass can be considered as isotropic linear elastic material.
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[8] ZHANG Yi, YAN Xiang-zhen and YAN Qing-zhi, “3D Model for the Stratified Calculation of Ground Stress and Fracture Criterion of Wellhole Rock,” Journal of Xi,an Petroleum Institute (Natural Science Edition), vol. 15, pp. 42-43, April 2000
Li, “Modeling inclusion problems in viscoelastic materials with the extended finite element method,” Finite Elements in Analysis and Design, vol. 45, pp. 721-729, August 2009
Li, “Modeling inclusion problems in viscoelastic materials with the extended finite element method,” Finite Elements in Analysis and Design, vol. 45, pp. 721-729, August 2009

Study on the Determination of manganese in Alloy Steel Materials by Spectrophotometry Li Meimei 1,a Li Naijun1,b 1School of Science Shenyang University, China ammli66@163.com, blnj_1030111@163.com Keywords: spectrophotometry, alloy steel, periodate, manganese.
[2] Di Xiaojuan, Duan Wei, Li Xuebing, Continuous measuring of chrome and manganese in high alloy steel, Journal of Harbin Bearing. 29(2008)52-53
[5] Lu Jingdong, MaYing,　ChenYiqiong,　GuXiaochuan, ZhangXingping, Simultaneous Determination of Mo, Ni, Si, Mn, Cr, V in alloy steel by ICP-AES, Sichuan Metallurgy. 30(2008) 47-49 [6] Tao Huiling, Shou Hongjuan, Zhu Shiyi, Simultaneous determination of chromium , manganese and molybdenum by spectral signal analysis of fluorescence resonance energy transfer in salicylic acid fluorinerhodamine B system, Metallurgical Analysis. 32(2011)8-14 [7] Zhang Cuihua,　Fan Xiaozhen, Rapid Determination of Silicon,，Manganese and Phosphorus in Carbon Steel by Spectrophotometry, Chinese Journal of Spectroscopy Laboratory.29(2012)1136-1140 [8] Zhang Ping, Modification of KIO4 oxidation一photometric determination of manganese in steel and alloys, PTCA(part B: chemical analysis). 35(1999)504-505.