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平视王澍——以互承体系为线索 被引量:6
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作者 程云杉 乐志 《建筑师》 2013年第1期68-74,共7页
通过互承体系这一线索,将王澍的思想与作品同柏庭卫、塞西尔·巴尔蒙德、互承框架建筑、黑川哲郎、虹桥等古今中外一系列人或案例联系在一起,在并置中加以比较和研究。同时也通过这样一个特定视角,因小见大,帮助理解和反思中国当代... 通过互承体系这一线索,将王澍的思想与作品同柏庭卫、塞西尔·巴尔蒙德、互承框架建筑、黑川哲郎、虹桥等古今中外一系列人或案例联系在一起,在并置中加以比较和研究。同时也通过这样一个特定视角,因小见大,帮助理解和反思中国当代建筑的现存问题和发展方向。 展开更多
关键词 王澍 互承体系 交互式框架建筑 杠作 虹桥
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制动力矩门限测试工艺问题及优化方法
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作者 王宏斌 《中国新技术新产品》 2021年第19期56-58,共3页
该文选取某襟翼丝杠作动器进行研究,通过对襟翼丝杠作动器产品测试、调试制动门限过程的跟踪,排查、验证和统计分析影响制动门限值的相关因素。通过以上研究,该文能够获取产品制动的判断办法、制动门限值的测试方法及读取规则,对制动门... 该文选取某襟翼丝杠作动器进行研究,通过对襟翼丝杠作动器产品测试、调试制动门限过程的跟踪,排查、验证和统计分析影响制动门限值的相关因素。通过以上研究,该文能够获取产品制动的判断办法、制动门限值的测试方法及读取规则,对制动门限值量值小的产品有针对性地进行深入研究,以解决产品测试制动门限值波动大的难题。 展开更多
关键词 杠作动器 制动门限值 输入扭矩 门限值波动
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Internal Mechanisms of Corporate Governance and Firm Performance: A Review of Theory and Empirical Evidence
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作者 Husam-Aldin Nizar A1-Malkawi Rekha Pillai 《Journal of Modern Accounting and Auditing》 2012年第4期549-568,共20页
Literature has revealed the existence of several external and internal disciplining mechanisms that are hypothesized as factors influencing corporate governance. This paper reviews the theoretical and empirical litera... Literature has revealed the existence of several external and internal disciplining mechanisms that are hypothesized as factors influencing corporate governance. This paper reviews the theoretical and empirical literature on five internal mechanisms of corporate governance, namely, dividend payouts, financial leverage, institutional shareholding, board duality, and board size. These mechanisms have received the greatest deal of attention in the literature. The paper makes an original contribution to the literature as it is the first of its type, to the best of our knowledge, to provide a comprehensive idea on these five internal mechanisms of corporate governance. This study will help in investigating the relationship between internal corporate governance mechanisms and firm performance with the main aim of extending the existing literature on firm performance by empirically investigating the contribution of these mechanisms in the smooth conduct of business operations. The empirical evidence amassed favors a smaller board size, non-existence of duality and favorable dividend mechanisms as effective internal governance mechanisms affecting firm performance. At the same time, there is no conclusive evidence on the relationship between leverage and institutional ownership as internal governance mechanisms influencing agency cost and firm performance. 展开更多
关键词 corporate governance agency cost internal mechanisms
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Reflections on the Connotations of Ecotourism
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作者 Zhang Meng Yuan Jun Wu Zhengzheng 《Chinese Journal of Population,Resources and Environment》 2009年第2期67-70,共4页
As the most desirable option for sustainable development of tourism industry, ecotourism still suffers from lack of a clear-cut and widely accepted definition, posing many risks and threats in its practices. Based on ... As the most desirable option for sustainable development of tourism industry, ecotourism still suffers from lack of a clear-cut and widely accepted definition, posing many risks and threats in its practices. Based on collection and collation of various concepts and explanations of ecotourism both at home and abroad, this paper reflects on the current connotations of ecotourism in terms of four aspects, namely, objects of ecotourism, ecotourists, nature of ecotourism as well as the relationship between ecotourism and communities. In-depth analysis was performed in an effort to revise the misinterpretation of ecotourism and provide implications for ecotourism initiatives. The main conclusions and fruits of this article include: 1) The objects of eeotourism should go beyond natural, pristine, or even only primitive natural areas to including cultural resources together with their natural context which also deserve preservation. 2) Tourism operators, compared to tourists, have more leverage and hence should shoulder more responsibilities for conservation. 3) Ecotourism should serve as a principle to guide tourism initiatives towards sustainability, rather than merely a special tour package. 4) The theoretic foundation was laid for community participation in ecotourism. 展开更多
关键词 ECOTOURISM connotations EXTERNALITY
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