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Online since: February 2012
Authors: Jun Liang He, Dao Fang Chang, Zhu Hua Jiang, Xiao Na Hu
l The cost when the ship stopped in the berthing (15) Where: G ——Average amount of container ship carrier (TEU), According to various to port ship weighted average proportion; fd ——The actual rate of loading and unloading container ships, and is based on statistical data ; el ——Average each shore crane loading / unloading time required for a box(hour/TEU); f1 ——Working day influence coefficient, f1=365/ Berths working day of year; dt ——Terminal operating hours per day; at ——The average time for each ship auxiliary operations(hour) f ——Interference factor, λ——Average number of ships to reach daily Average number of ships to reach daily λ as: (16) Using the following formula can be calculated daily cost of Cs when the ship stopped in the park after obtaining the average stopped time T of the ship berthing
Application of Al to AGV control-agent control of AGVs[J].
Online since: December 2013
Authors: Zi Long Liu, Yao Yao Weng
El Niño, La Niña affect alternately the global range of precipitation.
,Easterlling,D.R. et al.
Online since: December 2013
Authors: Yao Feng, Wei Guo
Health risk assessment In this study, the health risk assessment referred to the research by Hu et al. (2011)[8], and the assessment model derived from USEPA applied to estimate the carcinogenic and non-carcinogenic risks for adults and children consuming the lake water as their water source.
El Sayed: Mar.
Online since: April 2011
Authors: Jie Zhang, Yu Ming Bo, Chang Bin Ye
连词 1. suppose 翻译以下任意网站 · Gotujmy.pl-波兰语 · Philadelphia Inquirer-美国 · El Confidencial-西班牙 · Zeit Online-德国 · Público.es-西班牙 · News.de-德国 · La Información-西班牙 · The Washington Post-美国 · Elle-法国 · Marmiton.org-法国 · OneIndia-印地语 · Spiegel Online-德国 Proof: Choose the Lyapunov Function , where P is a positive definite symmetric matrix, then (13) is equivalent to (14) According to Schur Complementary Lemma, we can get (15) Note that there are and in the above equation, it should be translated into linear matrix inequality, so that we can solved it directly with LMI toolbox.
[4] Yong Bao, Qiu-qiu Dai and Ying-liu Cui, et al.: Fault Detection Based on Robust States Observer on Networked Control Systems, submitted to International Conference on Control and Automation, Budapest, Hungary IEEE (2005), p.1237-p.1241
Online since: October 2013
Authors: Wei Wang, Xuan Hu He, Ying Nan Wang, Jing Geng, Jun Kong, Sheng Bin Fan
[4] Sun D I, Ashley B, Brewer B, et al.
El-Hawary.
Online since: May 2015
Authors: Tomáš Bakša, Pavel Hanzl, Miroslav Zetek, Tomas Kroupa
El-Gallab, Machining of Al/SiC particulate metal-matrix composites Part I: Tool performance, Canada, 1997
Online since: August 2013
Authors: Jian Guo Wei, Jian Rong Wang, Yang Yu, Mei Yu
[2] Hideaki Minakata, Yasuo Hayashibara, Katsuhiro Ichizawa, Takehito Horiuchi, Masahiro Fukuta, Shohei Fujita, Hiroshi Kaminage, el al.
Online since: November 2015
Authors: Veronica Argesanu, Ion Borozan, Francesco Cosco
It was used the human body model described by Griffin, et al., 2003 from which it has been extracted the necessary values and mean values of their human body models.
El-Azab, M.
Online since: April 2016
Authors: Tadeusz Łagoda, Andrzej Kurek, Anna Kulesa, Krzysztof Kluger, Henryk Achtelik
What is more, author’s proposal (8) is shaped like a letter ‘S’ which is sometimes advised for stress-life models (Kurek et al., 2015).
[15] Nieslony A., Kurek A., EL Dsoki Ch., Kaufmann H. (2012), A Study of Compatibility Between two ical Fatigue Curve Models based on Some Selected Structural Materials, International Journal of Fatigue, Vol. 39, 88-94
Online since: December 2007
Authors: Ying Xue Yao, W.Z. Xie, Y. Lu
It is seen that preload affects natural frequency obviously, and the critical rotation speed will go up if gaining preload. 0 1000 2000 3000 4000 5000 6000 50 150 250 350 Axi al pr el oad( N) Na t u r a l Fr equency( Hz) First order Second order Third order Fourth order Fig. 6 Variation of low order natural frequency along with the variation of preload Table2 Variation of low order natural frequency along with the variation of preload (50~400N) order first-order(Hz) second-order(Hz) third-order(Hz) fourth-order(Hz) variation range of frequency 707~863 1492~1836 4103~4528 5404~5748 Conclusions In this paper, the FEM model of motorized spindle is set up to research on its dynamic characteristics, which is effected by the axial preload on the natural frequency, the motorized spindle's natural frequencies and corresponding vibration shapes, centrifugal forces and gyroscopic moments on the motorized spindle shaft.
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