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Online since: July 2011
Authors: Gang Wei, Xin Jiang Wei, Jie Hong
Fig.1 The Chart of building plan (unit:m) Fig.2 The Chart of grid delimiting Table 1 Physico-mechanical parameters of materials Member Density (kN.m-3) Modulus of elasticity (MPa) Poisson ratio C (kPa) θ (°) Clay 18.7 20 0.35 19 26 Frame 25 30000 0.20 Foundation 25 31500 0.20 Lining 25 34500 0.17 Shield shell 78.5 210000 0.30 It is assumed soil layer is homogeneous, and the Mohr-Coulomb model is adopted.
Acknowledgements This work was financially supported by The Chinese National Natural Science Foundation (51078332),Zhejiang Natural Science Foundation (Z1100016) and Hangzhou Key Discipline.
Chinese Journal of Underground Space and Engineering, Vol. 2(2006), p.124-127, in Chinese
Chinese Journal of Rock Mechanics and Engineering, Vol. 25(Supp.1) (2006), p.3317-3323, in Chinese
Online since: August 2013
Authors: Xiao Ning Zhu, Yina Li
Table 1 The list of mobile vehicle’s task Vehicle number Note of Customer Goods Name Weight of goods Note of customer Address of customers Goods Name Weight of goods 1 Wl kiosk B001of sanqu craft -127 6 Beijing street south new world outside 1008 instrument -20 2 The suitcase south road, China wind power tower servicer -58 7 Beijing xicheng district SanLiHe road no. 11 fittings -143 3 north street, xicheng district of Beijing board +7 8 Haidian district, haidian coal plants. nongda salesroom (emerging unexpected) seal 42 4 Western Beijing financial street no. 35 C tower 11 layers of galaxy securities, state-owned enterprises moon cake -32 9 liu jianhua calls 26 south street, xicheng district court no. 1 (emerging unexpected) material +117 5 Western Beijing financial street no. 35 C tower 11 layers of galaxy securities, state-owned enterprises drawing +11 10 Xicheng district Bai Yunlu baiyun building, room 1004, no. 1 (emerging unexpected) fittings +135 In this dispatching command
Corresponding Author Name:Yina Li Email:12120880@bjtu.edu.cn Mobile phone:15120075146 References [1] Baolu Ding. vehicle routing optimization problem with integration of delivery and pickup .Shandong: Qingdao University,2009,pp. 1-41 [2] Kai Nie,Mingyong Lai,Wei Li and Erbao Cao, “study of optimization model of distribution vehicle scheduling problem Based on the new door,” Journal of Hunan University:natural scientific Science, vol.34, Dec. 2007, pp. 89-92, doi:10.1126/science.1065467
[4] Jindong yang and Liqun xu,“City logistics distribution center vehicle stowage scheduling assignment model research,” Journal of Tongji University:Natural science edition, vol. 32, Dec. 2004, pp. 1452-1456
Shanghai:Science, Tongji University,2006, pp. 1-94
Online since: September 2013
Authors: Wei Rong Qin
Therefore, it is a benign material for making paper.
The disadvantages include too fast and excessive utilization, according to the authoritative suggestions and objective reports from many experts and scholars in Chinese Academy of Sciences, China Southwest Forestry College, the State Forestry Administration, and China Central Television, and other media units.
Journal of Capital Normal University (Social Sciences Edition), 07-15-2012
Journal of Capital Normal University (Social Sciences Edition), 07-15-2012
[4] Water Pollution-IEPSS Indoor Environmental Science Network, Public Welfare Website, Indoor Environmental Protection, Indoor Environment Chemistry, Indoor Micro Ecology, Indoor Climatology, Indoor Environment Monitoring-powered by HDWiki. http://www.iepss.com
Online since: November 2013
Authors: Maryam Rasoolzadeh, Reihaneh Zolfaghari, Shahram Ghanbari Pakdehi
These reports as long as other reports in related areas imply that catalytic behavior of Ir/γ -Al2O3 nanocatalyst plays a determing role in achievement of goals and objectives on new material sciences, especially in preparation and adoption of nanocatalyst.
Gimeno-Fabra, MOCVD OF Ir-Al2O3 Protective Coatings, Institute of Inorganic Chemistry of Siberian Brunch of Russian Academy of Sciences, Lavrentiev ave. 3, Novosibirsk, 630090, Russia, EADS Germany GmbH, Metallic Structures Department
The Journal of Chemical Physics 73, no. 2 (1980): 996-998
Belal, Modeling of Hydrazine Decomposition for Monopropellant Thrusters, Proc. of the 13td International Conference on Aerospace Sciences and Aviation Technology, Cairo, Egypt, 2009, 13-22
Cruza, “Evolution of textural properties and performance of Ir/Al2O3 catalysts during hydrazine catalytic decomposition in a 2 N satellite thruster”, Chemical Engineering Journal, 173, (2011) 220– 225
Online since: October 2009
Authors: Jun Ting Cheng, Can Zhao, Wei Ling Zhao, Xue Dong Xie
The Research of Data Points Quality Assessment Method in Reverse Engineering Cheng Jun-ting1.a , Zhao Wei-ling 1.b , Zhao Can 1.c, Xie Xue-dong1.d 1Modern Manufacture Engineering Centre, Heilongjiang University of Science & Technology, Harbin 150001, China a chengjunting@163.com, bweilingzhao@126.com, ccanzhao@sohu.com, dxiexuedong@163.com Keywords: quality assessment; error analysis; data points; reverse engineering Abstract.
Improved Method of Data Quality Assessment In reverse engineering, quality evaluation is an important part of detection, now there are two major questions to resolve: first, whether the product which is manufactured is uniform with the mathematical model or not; second, the error between the reconstruction model and material object is accepted or not, if it can not be accepted, edit the model or products and analysis the error, until satisfy the needs.
Acknowledgment The authors are grateful for the financial support provided by foundation of Heilongjiang Education Department in China (No. 1152G036 and No.1055G042), of Heilongjiang University of Science & Technology (05-26) and of Chinese Postdoctoral Science (No. 20080430956).
Vol.28 (2001),p.3~4 [2] Weber T., Motavalli S: Journal of the International Societies for Precision Engineering and Nanotech-nology.
S.: Precision Engineering.Vol.22 (1998), p. 98~109 [5] Wen Yin-fang, Research on the Algorithms of Point Cloud Pre-Processing and Feature Corner Detection ( Harbin Engineering University, China 2007) [6] He You-ying, Zhang Jin-ping: Journal of Kunming University of Science and Technology.
Online since: March 2012
Authors: En Ming Miao, Ya Yun Gong, Peng Cheng Niu, Tian Ju Cheng
., Ltd, Nantong, 226011, China 2 School of Instrument Science and Opto-electronics Engineering, Hefei University of Technology, Hefei, 230009, China a miaoem@163.com, b gdxz08@126.com, c chengtianju3@126.com, d niupch@139.com Keywords: Eddy current sensor, Precision theory, Error analysis, Criterion Abstract: Eddy current sensor is widely used in engineering applications.When it was calibrated, generally used random error analysis method,but this will expand the range of measurement errors and limit its engineering applications.In this paper, we use a new error analysis method to analyze upper and lower limit of multiple batches measurement data.
Error Calibration Experiment This paper chooses eddy current sensor,its measuring range: 0.80~2.80mm(this experiment selected good linearity measurement area range: 1.7~1.85mm); Standard sensitivity: 2V/mm;Resolution: 1mm; Voltage:24V. 1—Fine-tuning mechanism; 2—Spring; 3—Steel material; 4—Eddy current sensor;5—Inductance sensor; 6—Amplifier and Voltage converter; 7—Industrial control computer; 8—Inductance sensor displacement output display; 9—Bench; 10—Guide; 11—Slider Fig.1 Experimental equipment of calibration precision We choose sub-micron inductive sensor of TESA ERONIC TT 80 as the calibration instrument, Resolution:0.01mm,Measurement accuracy:0.1mm.We choose models for USB5935 data acquisition card, Sampling frequency: 500ks/s.
Acknowledgement: This work is supported by the National Natural Science Foundation of China (Project number:51175142) and Major State Special Foundation (Project number:2009ZX04014-0 23-02) and Natural Science Foundation of Zhejiang Province (Project number:Y1110407).
Beijing: Mechanical industry press, (2001) [2] M.R.Nabavi, S.Nihtianov, A Survey of Eddy Current Displacement Sensors: Imperfections and Signal Conditioning Methods, In proceedings ofInternational scientific and applied science conference, Vol. 3, pp. 116-122, Bulgaria, (2007) [3] H.J.Yang,G.Q.Yun.The Research on the Temperature Characters of Eddy Current Sensor[J].Journal of Educational Institute of JiLin Province.(2010) [4] W.Wang, J.Q.Qu, J.Li and Y.S.Zhang.
Temperature Compensate of Eddy Current Sensor [J].Journal of Scientific Instrument.(2008) [5] K.Q.Wang,Y.H.Xie and L.P.Sun.Study on nonlinear compensation of eddy current sensor based on support vectormachine.Industrial Electronics,IEEE International Symposium on,(2009) [6] Nabavi, M.R., Nihtianov, S., Eddy-Current Sensor Interface for Advanced Industrial Applications,  Instrumentation and Measurement, IEEE Transactions on, (2011) [7] Y.T.Fei.
Online since: May 2014
Authors: Loredana Santo
Introduction Shape memory polymers (SMPs) are a very attractive class of materials because they are stimuli-responsive materials.
Materials and methods Materials.
Squeo, Solid-State Foaming of Epoxy Resin, Journal of Cellular Plastics 44 (2008) 161-173
Squeo, Shape memory epoxy foams for space applications, Materials Letters, 69 (2012) 20-23
[8] Loredana Santo, Shape Memory Epoxy Foams: New Materials for Aerospace Applications, Materials Science Forum, Volumes 706 – 709, (2012) 165-172
Online since: March 2023
Authors: Hong Yan Xie, Chen Zhe Li, Hui Xin Jin
Chemical Engineering Science 229: 116019.
Journal of Cleaner Production 222: 90-102.
Journal of Hunan University (Natural Sciences) 41(12): 83–88
Journal of Guizhou University of Technology (Natural Science Edition) 36 (5): 28-31
Journal of Water Process Engineering 41:101987.
Online since: July 2011
Authors: Feng Hui Wang, Xia Wang
Experimental Materials The half-cell for anode-supported SOFC used in the present work is shown in Figure. 1.
This technique is an effective and non destructive method to measure stresses in crystalline materials.
Acknowledgements This work was financially supported by the National Science Foundation of China (Grant: 10772146) and Basic Research Foundation from NWPU.
[2] Xianshuang Xin, Zhe Lü, Xiqiang Huang, Xueqing Sha, Yaohui Zhang, Wenhui Su: Anode-supported solid oxide fuel cell based on dense electrolyte membrane fabricated by filter-coating, Journal of Power Sources, Vol.159 (2006), p. 1158–1161 [3] Lara-Curzio E, Watkins TR, Trejo R, Luttrell CR, Radovic M, Lannutti J, et al: Effect of temperature and H2-induced reduction on the magnitude of residual stresses in YSZ-NiO/YSZ bi-layers.
Tagawa: Thermal expansion of nickel zirconia anodes in solid oxide fuel cells during fabrication and operation, Journal of Eletrochemical Society Vol. 145 (4) (1998), p. 1374–1381
Online since: January 2014
Authors: Wen Zhong Zhao, Jian Cheng Sun, Ya Jing Pang
Model and Material Parameters Shahe bridge is in the fourth section of xin-fen highway,which located in boundaries between Xingtai to Ji Jin.It across the engineering of North Water Transfer, the upper structure consists of two 5m×5m pier and a 6.9m×5m main pier, the substructure is made of 41.4m×12.9m×4 m massive concrete pile.Pouring disposable completed, Using of cooling pipe to reduce hydration heat.
According to the symmetry of structure, 1/4 model is taken for analysis.Physical and thermal parameters of the material are shown in table 1 and table 2.
Table.1 Physical and thermal parameters of the material Material Type Density (kN/m3) Elastic modulus (kN/m2) Poisson ratio Heat Expansion coefficient Heat Conductivity (kJ/m hr°C) Specific heat (kJ/kg°C) C40 25 3.0e7 0.18 1e-5 9 1.05 Foundation 18 1.0e7 0.2 1e-5 200 2 Table.2 Model parameters Pouring temperature (°C) Concrete exothermic parameters Cooling Pipe atmospheric temperature The maximum adiabatic temperature rise(°C) Constant inlet water temperature (°C) water flow (L/min) water flow 20 48 1.2 20 10 Sinewave, The maximum amplitude is 15, Mean is 20 20 48 1.2 20 15 20 48 1.2 20 20 inlet water temperature 20 48 1.2 30 5 20 48 1.2 40 5 20 48 1.2 50 5 Impact of Inlet Water Temperature and Water Flow on the Temperature and Stress It is 60th hours after pouring,the maximum temperature rise appeared.
References [1] BofangZhu.The stress and temperature control of massive concrete[M].Beijing:Electric Power Press of China.1999,77-92(In Chinese) [2] Tiemeng Wang.Cracking control of engineering structures[M].Beijing:Building Industry Press of China.1997. 62-64,585-596(In Chinese) [3] Junxi Wang.Analytical Solution of Massive Concrete Temperature Field in Stratifying Construction of Large Bridge[J].Journal of Lanzhou Jiaotong University (Natural Sciences). 2006,25(1):20-23(In Chinese) [4] Bofang Zhu.Eguivalent equation of heat condution in mass concrete considering the effert of pipe cooling[J].Journal of Hydraulic Engineering.1991,(3):28-34(In Chinese)