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Teklemichael, Hydrogen in oxide semiconductors, Journal of Materials Research 27 (2012) 2190-2198
Sen, Study of optical properties of some sol–gel derived films of ZnO, Solar Energy Materials and Solar Cells 71 (2002) 103
Guery, Structural and physical characterisation oftransparent conducting pulsed laser deposited In2O3–ZnOthin films, Journal of Materials Chemistry 10 (2000) 2315
Sakata, Electrical and optical properties of zinc oxide films post-annealed in H2 after fabrication by sol–gel process, Materials Chemistry and Physics 78 (2002) 170
Gregory, Sol-gel formation of ordered nanostructured doped ZnO films, Journal of Materials Chemistry 14 (2004) 1087

Then, these collectors sell the materials to the recyclables distribution centre where the materials are sorted and sold to factories as raw or processed materials [16, 22].
Recoverable waste was treated and recovered by materials recovery factories.
Hazardous waste was disposed by qualified disposal factories, such as Hangzhou Dazhou materials recycling Co., Ltd, Hangzhou DADI Environmental Protection Engineering Co., Ltd.
Journal of Environmental Sciences. 15(2003) 531-540
Journal of Environmental Management. 91(2010) 1623-1633

Čechmánek, Influence of Biocorrosion on Concrete Properties, Key Engineering Materials. 760 (2018) 83-90
Adan., Decreased bio-inhibition of building materials due to transport of biocides. 56 (3) (2011) 93-105
Saudi Journal of Biol.
Sciences. 19 (4) (2012) 405-426
Key Engineering Materials. (2018) 83–90

With increase of the differences of the density of the investigated materials, the contrast is getting more and more intensive.
Kraus, Überprüfungsmethoden geschädigter Holzkonstruktionen, Research report, Bern University of Applied Sciences, Biel, Switzerland, 2009
Yin, Nondestrucitve testing and evaluation of wood: A wordlwide research update, Forest Products Journal 2009/59, pp.7-14
Journal for Res. 2011/41, pp. 2120-2140
Janssen, Monitoring moisture movements in building materials using X-ray attenuation: Influence of beam-hardening of polychromatic X-ray photon beams, Construction and Building Materials 36 (2012) pp. 419-429

Methods and materials The study was conducted in Shuanghe Farm in Qiqihaer city of Heilongjiang Province in the Northeast China Plain(120°38′~120°57′ E, 47°41′~48°01′ N), which located in the sub temperate Zone with a sub humid continental monsoon climate.
International Journal of Agricultural Sustainability.
Journal of Cleaner Production.
Journal of Cleaner production.
British Food Journal.

Material of thick-walled cylinder was Ni3 steel ignoring the impact of temperature changes on material properties, the elastic modulus E was 206.7GPa, the Poisson's ratiowas 0.3, the coefficient of linear expansion was 1.1×10-5/℃。
Zhang: Journal of Ballistic Vol.18(2006), p. 16-18 [2] L.B.
YUAN: Journal of Ballistics Vol22(2010), p. 86-88 [3] T.H.
GUAN: Journal of Lanzhou University of Technology Vol35(2009), p. 168-172 [4] C.D.
ZHAN: Journal of Southwest Petroleum Institute Vol22(2000), p. 77-79 [5] Z.

According to Von Mises, the principles of yielding and the associated rules of plasticity flowing, it is concluded that the material will have plastic displacement and the direction of plastic strain.
The degree of degradation varies with materials and their disruptive behavior.
Acknowledgements This research is supported in part by National NSFC(Natural Science Foundation of China)(50678078), Foundation of Gansu Province,China (1010RJZA038 ) and Alumni Foundation of Civil Enginneering 77, Lanzhou University of Technology.
Seismic Performance and Applications of Double-Tube Buckling Restrained Braces, edtied by Progress in Steel Building Structures. 7:3, 1-8. (2005) (in Chinese) [4] Wang Xiu-li, Chen Ming: FEM analysis of a kind of buckling-restrained brace fit in space truss structure, edtied by Journal of Lanzhou University of Technology, 33:3, 124-127. (2007) (in Chinese) [5] Wang Xiu-li, CHEN Xiang-yong, YIN Zhan-zhong: An Analysis of Seismic Vibration Reduction of K6 Spherical Latticed Shell by Means of Buckling-Restrained Braces, edtied by Journal of Gansu ScienceS, 19:1, 122-126. (2007) (in Chinese) [6] Yin Zhan-zhong, Wang Xiu-li, LI Xiao-dong: Finite element analysis of double-steel-tube buckling restricting braces with contact-ring, edtied by Journal of Lanzhou University of Technology, 32:5, 122-126. (2008) (in Chinese)

Damage Localization on Two-Dimensional Structure Based on Wavelet Transform and Active Lamb Wave-Based Method Ge Peng 1, a, ShenFang Yuan 2, b 12 The Aeronautic Key Laboratory of Smart Material and Structure, Nanjing University of Aeronautics and Astronautics, Nanjing, P.R.
In this research, S0 mode is used as the Sponsored by National Science Fund, Grant No. 90305005 and 50135030 Fig.1 Localization principle Defect B(receiver) A(Emitter) 0L 2L 1L main dependency.
References [1] Boller C.: International Journal of Systems Science Vol.31 (2000), p.1333-1349 [2] Saravanos D A et al: Journal of Material Systems and structures Vol.6 (1995), p.350-362 [3] Keilers CH, et al: Journal of Intelligent Material systems and Structures Vol.6 (1995), p.649-672 [4] K.Kishimoto, H.

Ionic liquid-assisted synthesis of anatase nanostructured TiO2 aerogel doped with Fe3+ by a low temperature sol-gel process and its photocatalytic performance Ningning Wang , Chunling Yu*, Hongyi Dai, Yinghua Fu*, Guolin Shao, Xiaoli Dong School of Chemistry Engineering & Material, Dalian Polytechnic University, Dalian 116034, Liaoning China Keywords: TiO2 aerogel; Fe3+ doping; Ionic liquid; Low temperature; Ambient drying Abstract. anatase crystalline TiO2 aeroge and TiO2 aerogel doped with Fe3+ were prepared at low temperature (60℃) using ionic liquid(IL) assisted sol-gel method.
Acknowledgements the National Natural Science Foundation of China (no. 21243005), the Science & Technology Foundation of Liaoning, China (no. 201102111).
Titania aerogels: Prepration and photocatalytic tests. j: International Journal Of Photoenergy. 2003,5:147-152
Journal of Hazardous Materials. 2008, 155:572-579
Effect of Fe3+ ion doping to TiO2 on the photocatalytic degradation of Malachite Green dye under UV and vis-irradiation.Journal of Photochemistry and Photobiology A: Chenistry. 2009,203(1):64-71.

Introduction Pulsed electric current technology refers to a method that applies electric field during the solidification process of molten metal to control the solidification microstructure and property of material.
Viewing from the existing literatures [1]-[4], with the join of the pulsed electric current, it can significantly refine the grain structure and improve the macroscopic property of materials.
Acknowledgements The authors would like to acknowledge of the financial support of National Natural Science Foundation of China - Baosteel Unite Research Foundation (No. 50774108).
Effect of pulse electric field on the solidification microst ructure and element dist ribution of carbon steel[J], Journal of University of Science and Technology Beijing, 2007.08，39(8): 793-797 (In Chinese) [4].
LIU Aisheng, Steels Treated with Rare Earth and Rare Earth Steels, Journal of Rare Earths, 2009,9(18)：59-61；(In Chinese) [7].