共查询到20条相似文献，搜索用时 93 毫秒
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《船舶与海洋工程学报》2007,(4)
Research on stability design of a bar-reinforced spherical bulkhead ………………………………………………………………………………………………… YAO Xiong-liang, LIU Xiang-dong (1,1) Research on the influence of action between fin and anti-rolling tank on t 相似文献
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《船舶与海洋工程学报》2006,5(4):68-69
Analysis of structural dynamic characteristics of a high speed light special catamaran ……………………………………………………………………………………………… SUN Li-ping, NIE Wu, ZHANG Wei (1,1Application of H infinite control to ship steering system … 相似文献
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《船舶与海洋工程学报》2008,(4)
Characteristics of a bubble jet near a vertical wall ……………………………………………………………ZHANG A-man(张阿漫), YAO Xiong-liang(姚熊亮), LI Jia(李 佳) (1,1) Detecting damage to offshore platform structures using the time-domain data ………………… 相似文献
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纽约和新泽西港务局决定对通过港口码头铁路系统的、超过2008年箱量的每个集装箱支付25美元的奖励给承运人。这是一项Thursday管理局的专员委员会批准的奖励计划，预计将持续一年。如果机构理事会允许，有可能会延长到明年。 相似文献
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艺术是同自然和社会紧密联系的。本文从艺术鉴赏角度出发,指出绘画艺术是一种形象思维与抽象思维相结合的社会的精神劳动产品,一种重要的社会现象。艺术对社会的批评方式恰恰是它的存在本身,是我们时代的投影和文化的隐喻和象征,能够永远表现着这个世界。艺术对于促进人类社会的历史发展具有一定的重要意义。 相似文献
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最近,看到一篇介绍瑞士ABB公司的文章,联想到我国国有企业改革中的诸多问题,本文拟就ABB公司的人才、组织结构、科学管理和规模效益谈几点感受。 用系统论的观点看,企业是一种系统,由于人是该系统的基本构成要素,这种系统比机器系统或纯自然系统具有大得多的不确定性与随机性,是一个更为复杂的系统。要克服这个系统的不确定性,保证其有 相似文献
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《中国远洋航务公告》2004,(4):47-49
作为中国首屈一指的航运公司,中远历来注重提高运输服务的品质,更关心如何在贸易局势的变化中找到新的商机,在业已成熟的中日航运市场中大力改变客户的选择模式,通过在提供的运输服务产品中加入令客户无法抗拒的功能,创造出客户需要但还不甚明了的产品,从而创造自己的核心竞争力,在竞争中立于不败之地。 H.D.S作为一种更快捷、更准时的集装箱运输服务方式,无疑迎合了正在发生变化的中日贸易。作为H.D.S的首创者和 相似文献
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Akimitsu Ashida 《中国远洋航务公告》2005,(11)
Personal history I began my career with Mitsui O.S.K. Lines (MOL) upon graduation from Kyoto University in 1967. During my 38- year career at the company, I have been involved in a broad range of maritime activities, and have witnessed dramatic changes in… 相似文献
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Personal history
I began my career with Mitsui O.S.K. Lines (MOL) upon graduation from Kyoto University in 1967. During my 38-year career at the company, I have been involved in a broadrange of maritime activities, and have witnessed dramaticchanges in the industry as it has sought to meet the changingneeds of societies and the globalization of economies. Keyevents in my career include a posting to Mitsui O.S.K. Lines'San Francisco Representative Office from 1975 to 1979;becoming a staff officer of the Planning Division in 1987,followed by a promotion to Deputy General Manager of theDivision in 1988; appointment as General Manager of Europeand Oceania Division in 1993; being elected to a directorshipin 1996; promotion to Managing Director in 1998, SeniorManaging Director in 2000, Deputy President in 2003, andfinally President in 2004. For me, the shipping industry isboth a business and a passion. I am extremely excited aboutthe changes and challenges that lie ahead for the industry aswe begin the 21st Century, and consider myself to be in amost enviable position leading Mitsui O.S.K. Lines, acompany at the vanguard of shipping developments, in theseexhilarating times. 相似文献
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Fengyang Tan Hiroyuki Yamato Takeo Koyama 《Journal of Marine Science and Technology》1999,4(4):173-179
In designing a control system for large vessels, there are two kinds of nonlinearities which must be considered. One is the
nonlinearity in equations of motion and the other is the saturation in control devices such as engine output or rudders. These
nonlinearities can strongly affect the performance of the control system. A new method to deal with the nonlinearity of saturation
has been proposed in this paper. The saturation is considered as a variation of gain in the system. A control system with
gain variation can be designed by H
∞ control theory. As an example, a course-keeping control system for a course-unstable ship has been presented. The results
show that the method proposed is effective.
Received for publication on Jan. 26, 2000; accepted on April 4, 2000 相似文献
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