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The structure modal is determined by the characteristics of the structure itself and the material properties, regardless of the external loads and initial conditions [5].
Various Components Profiles Parameters of PT7032 Tower Crane Component Profile Material Standard section Main chord L200×200×12 Q235 Web member L125×125×12 Q235 Balance jib Main chord 14# Ⅰ- beam Q235 Web member L50×50×5 Q235 hoist jib Upper chord Φ108×8 16Mn Lower chord Square steel 43×80×8 16Mn Web member Φ32×3 16Mn Rotating ring Main rod Φ100×10 Q235 4 Modal analysis results of PT7032 tower crane When PT7032 tower crane is analyzed, its inherent characteristics (natural frequencies and vibration modes) are solved, and external loading can be ignored.
Acknowledgements This research reported in the paper is supported by Anhui Province Natural Science Fund of Education Department (Grant NO.KJ2011B047), and Anhui Province Science and Technology Plan Project of Science and Technology Department (Grant NO.
Journal of Luoyang institute of science and technology (Natural Science Edition), 2010, (20)1: 35~39 [2] Lei Jing fa, Chen Xue hui, etc.
Journal of Hubei university of technology, 2011, 26(4)：58~60 [3] Zhang Ying long.

Halftone Image Quality Assessment Based on Digital Watermark ZHONG Yunfei1, a, FU Lujing2, b, ZOU Jie1, a and DENG Ronghua1, a 1School of Packaging and Materials Engineering, Hunan University of Technology Zhuzhou 412007, China 2School of Internet of Things, Jiangnan University, Wuxi 214122, China amaczone@163.com, bkuaileangle0415@163.com Keywords: Halftone; Digital watermark; Image quality assessment; Watermark extraction.
Acknowledgment This work is supported by Natural Science Research Project of Hunan University of Technology (Grant No. 2011HZX03), Science and Technology Planning Project of Hunan Province (Grant No. 2011GK3079), Natural Science Foundation of China (Grant No. 61171192), College Students Research Learning and Innovative Experiment Plan Project of Hunan Province (Grant No. [2011]272), Natural Science Foundation of Hunan Province (Grant No. 12JJ9043).
Chen: Journal of South China University of Technology (Natural Science Edition),Vol. 38 (2010) No.5, p.39-45.
Wang, et al: Journal of Electronics and Information Technology,Vol. 32 (2010) No.1, p.219-226.

A high order finite difference/spectral approximations to the time fractional diffusion equations Junying Cao1,2, a , Chuanju Xu2,b and Ziqiang Wang1,c 1 College of Science, Guizhou Minzu University, Guiyang, 550025, China 2School of Mathematical Sciences, Xiamen University, 361005 Xiamen, China acaojunying1000@126.com, b cjxu@xmu.edu.cn, cwangzq@lsec.cc.ac.cn Keywords: Time-fractional diffusion equation, spectral approximation, high order scheme.
Some particular examples of this kind of problems can be found in control theory [1],viscoelastic materials [2],electrochemical processes [3],anomalous diffusion [4],signal processing [5],advection and dispersion of solutes in natural porous or fractured media [6],information theory [7], and etc.
Acknowledgements This work is supported by the National Basic Research Program of China (973 Program 2010CB832702), the National Natural Science Foundation of China (90916027, 11071203 and 91130002), Guizhou Key Laboratory of pattern recognition and intelligent system Construction Project([2009]4002) ，Guizhou information processing and pattern recognition of graduate education innovation base and Natural Science Foundation of the Science and Technology Department of Guizhou(LKM[2012]20).
Journal of Guidance, Control, and Dynamics 1991; 14(2):304–311
Journal of Electroanalytical Chemistry and Interfacial Electrochemistry 1971; 33(2):253–265

Numerical Simulation on the Preparation of Vinyl Acetate Catalyst in Fluidized Bed Pan Zhang1,a, Kun Cui 2,b , Ning Xu3,c and Guangjian Wang*2,d 1 College of Electromechanical Engineering, Qingdao University of Science and Technology.
P.R.China. 266042 2 College of Chemical Engineering, Qingdao University of Science and Technology.
Introduction Vinyl acetate is one of the organic chemical raw materials with the biggest production in the world, the traditional synthesis methods include ethylene liquid phase method, ethylene gas phase method, acetylene liquid phase method and acetylene gas phase method [1-3].
Acknowledgement This work is supported by National Nature Science Foundation of China (No.21076110) and National Nature Science Foundation of China (No.21276132).
Fan: AIChE Journal, Vol. 55 (2009), P. 1680 [7] Jianping Wen, Lin Huang, Huai Zhou, et al: Journal of Chemical Industry and Engineering (China), Vol. 52 (2001), p. 343 (In Chinese) [8] S.

Analysis of Local Plastic Deformation of Machined Surface MARTINKOVIČ Maroš 1, a *and POKORNÝ Peter 1,b 1Slovak University of Technology in Bratislava Faculty of Materials Science and Technology in Trnava, Paulinska 16 917 24 Trnava, Slovak Republic amaros.martinkovic@stuba.sk, bpeter.pokorny@stuba.sk Keywords: deformation, stereology, machining Abstract.
Dolinsek, Work-hardening in the drilling of austenitic stainless steels, Journal of Material Processing Technology 63 (2003) 63 - 70
Pokorny, Estimation of local plastic deformation in cutting zone during turning, Key Engineering Materials 662 (2015) 173 - 176
Bodisova, Influence of drill wear to local plastic deformation in the wall of drilling hole, Key Engineering Materials 606 (2014) 77-80
Vaclav, Estimation of grain deformation of polycrystalline materials, Advanced Science, Engineering and Medicine 5 (2013) 585 - 588.

Raw Materials Bottom ash.
Mustafa Al Bakri, H.Kamaruddin, I.Khairul Nizar and A.R.Rafiza: Advance Material Science Vol. 34 (2013), p. 37
Alida: Engineering Materials Vol. 594-595 (2014) , p. 406
[10] G.D Taylor: Materials in Construction: An Introduction (Routledge, United Kingdom 2000)
Zarina: Journal of Engineering and Technology Research Vol. 3 (2011), p. 44.

In most cases, aging results in material surface-hardening, cracks, and degrades mechanical properties such as elasticity and strength.
is the material recovery resistance.
Acknowledgment This work is supported by the National Natural Science Foundation of China (Grant No. 61104133).
Research on structure parameters and failure criterion of rubber "O" ring, Journal of Solid Rocket Technology, 2006, 01 9-14
Measurement of mechanical properties by ultra-low load indentation, Materials Science and Engineering A, 1998, 253(1) 151-159.

Materials and Methods Chemicals and Reagents.
Journal of Photochemistry and Photobiology A: Chemistry, Vol. 193 (2008) No.1, p. 1
Science of the Total Environment, Vol. 439 (2012) No.15, p. 67
Environmental science & technology, Vol.45 (2011) No.4, p. 1334
Journal of agricultural and food chemistry, Vol. 50 (2002) No. 23, p. 6758.

Phosphorus Release from Different Sediments of Urban lakes Qian Sha1, a, Jing Huang1,b and Weihao Zhang2,c 1Wuhan Environmental Protection Sciences Research Institute,room 102, CHINA 2School of Research and Environment Sciences,Wuhan University,CHINA ashaqian317@126.com, bjozy_huang@126.com, czhangwh@whu.edu.cn Keywords: Urban lakes, Sediment, phosphorus, release, rate.
Materials and methods Study areas Three basins of East lake and South lake were investigated and four sample sites were taken according the water quality (is shown in Fig.1).
Acknowledgments This work was supported by the Natural Science Foundation of Wuhan and the National Natural Science Foundation of China (No. 20877060).
Journal of Lake Science 14, 193–202.
Journal of Environmental Sciences 21:291-295.

Kuligowski, Overall and local movement speeds during fire drill evacuations in buildings up to 31 stories, Safety Science 50 (2012) 1655-1664
Cakici, Modelling the evacuation of a high-rise office building in Istanbul, Fire Safety Journal 44 (2009) 1-15
Liao, Experimental study on an ultra high-rise building evacuation in China, Safety Science 50 (2012) 1665-1674
Shields, Experimental studies to investigate merging behaviour in a staircase, Fire and Materials 36 (2012) 383-398
Lawrence, Investigating the Representation of Merging Behavior at the Floor-Stair Interface in Computer Simulations of Multi-Floor Building Evacuations, Journal of Fire Protection Engineering 18 (2008) 291-316