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Online since: March 2014
Authors: Kandasamy Jothivenkatachalam, S. Prabhu, A. Nithya, S. Chandra Mohan
The nanostructure materials of WO3/TiO2 photocatalyst have offered high surface-to-volume ratio and size confinement in radial-direction which leads to enhanced charge transfer property thus increases the photocatalytic activity.
The Fermi level of the two materials in heterostructures is the same which causes the longer photogenerated charge lifetime and the improved surface charge carrier transfer rate thus enhances the photocatalytic activity [36].
But there are very limited reports are available on heterostrectured materials as a photocatalyst.
Jothivenkatachalam, Dye Sensitized Solar Cell: A Summary, Materials Science Forum. 771 (2014) 1-24
Nihara, Titania Nanotubes Prepared by Chemical Processing, Advanced Materials 11 (1999) 1307-1311
Online since: November 2011
Authors: Yue Sheng Zhang
Because the supervision industry informatization employees professional level is low; The information of the authorities in charge of supervision industry is not clear, have a plenty of science, have a plenty of work in the letter hall, chaos; Supervision company service effect is not obvious, the sense of responsibility, coordination ability is poor, professional morality low, appear even and joint deceive the phenomenon of the manufacturer.
To cause a major accident enterprise and individual to tempted to performance, excellent enterprise and individual give spiritual and material reward.
Science and technology enterprise and coastal. 2007
Journal of economic management cadre institute. 2006
Modern management science. 2006 (12)
Online since: September 2013
Authors: Ying Zhang, Xiao Qian Ma, Zhen Wei Zhang, Cheng Ming Kang
Research on Relationship of Pressure Distribution and Particles Separation in Cyclone Ying Zhang1,a,Xiaoqian Ma2,b,Zhenwei Zhang3,c,Chengming Kang4,d 1School of Information Science and Engineering, Northeastern University, Shenyang, Liaoning, 110004, China 2School of Computer Engineering, Nanyang Technological University, 637634, Singapore 3School of Mechanical Engineering and Automation, Northeastern University, Shenyang, Liaoning, 110004, China 4School of Mechanical Engineering and Automation, Northeastern University, Shenyang, Liaoning, 110004, China asuperzy1115@126.com,bmaxiaoqian.bcg@gmail.com, czzw1658@126.com,dsy2010_adlso@126.com Keywords: Pressure Distribution, Particles, Simulation Abstract.
Outside air can be easily inhaled if the sealing is bad at the bottom of the hopper which can lead the phenomena of stagnation or reflux in the lower part of hopper and can be not conducive to material separation.
Jin: Dust Collecting Equipment: Shanghai Science and Technology Press, China, 1983
Zhang: Numerical Simulation on Gas Flow Field of Cyclone Separator: Journal of Beijing University of Technology
Wang: Numerical Calculation and Experimental Research on Gas-solid Phase in Cyclone Separator: Doctoral Thesis, Chinese Academy of Sciences, China, 2003, pp. 33-55.
Online since: December 2013
Authors: Lina Liao, Qing Rong Liu, Ying Jun Ruan, Jia Zheng Wu, Ya Peng Zhang
Gas production rate of anaerobic fermentation tank was 0.8, it is 400m3 daily biogas production capacity of raw material of 500m3/d.
Acknowledgements This work was financially supported by the "Twelfth Five-Year" National Science and Technology Support Plan—the Major Science and Technology Project in Comprehensive Environmental Control in Villages and Towns (No. 2012BAJ21B01-01) and the Key Fund of Shanghai Science Technology Committee (No. 13160501000).
Journal of Yunnan normal university (2011) [3] Information on http://doc.mbalib.com/view/92bdeace43aa337be55aa5333203e28d.html [4] Information on http://www.sdpc.gov.cn/zcfb/zcfbtz/2010tz/t20100728_363362.htm [5] Information on http://detail.cn.china.cn/provide/2052275937.html [6] Information on http://detail.cn.china.cn/provide/1857223632.html [7] Information on http://detail.1688.com/offer/941519891.html [8] SNEC 4th (2010) International Photovoltaic Power Generation Conference (Shanghai).
Online since: August 2013
Authors: Zhi Wei Feng, Qing Bin Zhang, Qian Gang Tang
Vibration Isolator Design for Space Application Based on Multiobjective Optimization Method Zhiwei Feng1, a, Qiangang Tang1, b, Qingbin Zhang1, c 1Department of Aerospace Science and Engineering, College of Aerospace Science and Engineering, National University of Defense Technology, Changsha, China afengzhw@nudt.edu.cn, bkdtqg@sina.com, cqingbinzhang@sina.com.cn Keywords: Vibration Isolation, Mechanism Design, Multiobjective Optimization, Spacecraft Abstract.
The design constraints include three aspects: (1) the stiffness of vibration isolation system is enough such that the resonant peak frequency is separated from control system and flexible part, such as solar array; (2) the system has certain attenuation for high-frequency range that induced by momentum wheel; (3) the damping is not much large so the damping material is easily obtained.
Belvin, Sparks D.W., Horta L.G., et al., On the isolation of science payloads from spacecraft vibrations.
Messac, Control-structure integrated design with closed-form design metrics using physical programming, AIAA Journal. 36(1998): 855-864
Online since: January 2007
Authors: L.Q. Du, Y. Lv, Wei Jie Dong, X.G. Gao
Hydrothermal PZT thin film was researched by Y.Ohba [5] et al at Tokyo Institute of * This project is supported by National Natural Science foundation of China (No.90207003), Scientific Research Foundation of Ministry of Education and Dalian City for the Returned Overseas Chinese Scholars, Doctoral Startup Fund of Liaoning Province of China (No.20051080).
(14) Where S is the area of the electrode; xS and yS are sensitivities of the oscillograph along X and Y axis direction respectively; 0C is the compensatory capacitance; 0H is longitudinal coordinate of sP in the P E− curve; in the case of perovskite polycrystal material, 1.28K = ; h is the thickness of the PZT element; 0L is the transverse intercept of the hysteresis loops.
Acknowledgments This work was supported by National Natural Science foundation of China (No.90207003), Scientific Research Foundation of Ministry of Education and Dalian City for the Returned Overseas Chinese Scholars, Doctoral Startup Fund of Liaoning Province of China (No.20051080).
Journal of Appl.Phys 9B,30 (1991), pp.2174-2177
[9] Yangying: Master Thesis,Xi'an university of Science & Technology,.
Online since: October 2011
Authors: Xiang Yang Xing, Zeng Wei Liu, Ji Ming Liu
For example, under the earthquake effect the prism of the steel reinforced concrete frame structure produce plane torsion deflection, and also bears the load coming from the vertical load which applied on the beam .under this circumstances, the prism of SRC structures is in the composite state of pressure and torsion, and the most failure of the component caused by pressure and twist combination Material model and Unit type Steel and rebar’ constitutive relationship reduced to the ideal elastic-plastic constitutive stress-strain relationship, according to the need of this paper.
Acknowledgements This study is part of the research project “the study of steel reinforced concrete composite structures by the force of torsion” financially supported by the Natural Science Fund of Nation (project No. 51078195).
Limit values of axial compression ratio for steel reinforced concrete columns [J], Northeastern university journal; Natural science edition, 2003, 5 [2] The industry standard of the People's Republic of China .
Study On Restoring Force Model of Lattice Type Steel Reinforced Concrete Columns[J], Structural engineer, 2004,20(6) [4] Hong Tie Zhao, Steel and concrete composite structure, BeiJing: Science Press, 2001.3
Online since: July 2015
Authors: Md. Asrul Nasid Masrom, Riduan Yunus, Mohd Hilmi Izwan Abd Rahim, Sulzakimin Mohamed
There are seven challenges have been determined from previous study [11] namely public perception, tendering problems, designing, financial, human resources, productivity, material and technology.
Othman, Challenges of Mega Construction Projects in Developing Countries, Orgaization, Technology and Management in Construction Journal, DOI 10.5592/otmcj.2013.1.10, 2013
Sturup, Megaprojects and Governability, World Academy of Science, Engineering and Technology, 54, 2009
Procedia Social and Behavioral Science 00(2013)
Blackwell Science Ltd, August 2008
Online since: August 2013
Authors: Liang Sun, Xiao Yu Sun, Jian Xin Zhou, Hong Wang
Application of Temperature Forecasting in Cupola Melting Process Based on BP Neural Network Xiaoyu Sun1,a, Jianxin Zhou2,b, Liang Sun3,c, Hong Wang4,d 1,2,3,4 State Key Laboratory of Material Processing and Die & Mould Technology, Huazhong University of Science and Technology, Luoyu Road 1037, Wuhan, China axiaoyu.sun1991@foxmail.com, bzhoujianxin1975@163.com, csunliang19880319@163.com, dmicwanghong@hust.edu.cn Keywords: Cupola Melting, Temperature Forecasting, BP network model, Genetic Algorithm Abstract.
Acknowledgement This research was financially supported by Program for New Century Excellent Talents in University (No.NCET-09-0396), and State Major Science and Technology Special Project Foundation for High-end Numerical Machine and Basic Manufacturing Equipment (2012ZX04012-011).
Modeling and Control of Neural Network for Cupola [D].Taiyuan: Taiyuan University of Science and Technology, 2008
International Journal of Pattern Recognition and Artificial Intelligence, 1996, 10(6): 731-747.
Online since: February 2012
Authors: Zhong Hou Wang, Ning Zhang, De Min Dong, Xi Jiang Chen
Analysis of the Influence of Fillet Curves on Gear Bending Strength based on Space Contact Zhonghou Wang1,a, Ning Zhang2,b, Demin Dong3 and Xijiang Chen4 1College of Mechanical Engineering,University of Shanghai for Science and Technology, Shanghai,200093,China a wang_zhonghou18@163.com, bzhang_ning.0325@163.com Keywords: Involute helical gear, FEA, Fillet curve, Tooth dedendum tangent Abstract.
Two gear models with different fillet curves respectively The basic geometrical parameters of modified helical gear studied in this paper are: Z1=20, Z2=41, =25.4/12mm, =17.5°, X1=0.200mm,X2=0.455mm, , B1 =16.5mm, B2=18.5mm, and their characteristic parameters are: Material is Mild Steel, Elastic Modulus= 205 Gpa, Poisson’s Ratio=0.3 and Density=7800kg/m3.
Acknowledgments The authors would like to extend their sincere gratitude to the three Project Fund, that are The national natural science funds projects (51075279),Shanghai municipal education commission in key discipline construction projects(J50503)and Shanghai municipal education commission, scientific research innovation key projects (10ZZ92).
References [1] Li Zhang and Jun Wang: Mining machinery, Vol. 6(1997), p.45 (In Chinese) [2] Xuemei Caoand Jun Wang:Tooth root bending stress analysis of the transition curve,Machinery, Vol.4(2003),p.46 (In Chinese) [3] Dejun Ma: Journal of Tanks and armored cars and volume of the engine, Vol.1(1993),p.57(In Chinese) [4] Fenai Yang: FEA of helical gear contact stress based on the accurate models, Mechanical science and technology,Vol.3(2003),p.206 (In Chinese) [5] Zenghui Fan and Yongxi Zhao: Finite element analysis of the inclined gear contact, Mechanical drive, (2010),p.68 (In Chinese)
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