Results 51 to 60 of about 29,267 (171)

关于水权及水权交易的若干法理思考

open access: yesShuitu Baochi Xuebao, 2002
水资源是人类生存之本,有效的水权理论以及水权交易体制是保障水资源高效利用的重要条件。目前,我国法律对水权概念界定模糊,水权交易体制存在较大弊病,因此,有必要明确水权的内涵及其法律特征,对现行水权交易体制进行改革。
李铮
doaj  

Research on Topic Detection Techniques for Micro-blogging Public Opinion Mining [PDF]

open access: yes, 2015
近年来,随着互联网的发展,信息化技术的普及,自媒体时代的到来,越来越多的人使用互联网进行即时通讯、新闻获取、消息发布和观点表达。其中微博作为一个影响力极强的社交平台,已经成为互联网舆论形成与传播的一个主要平台。通过对微博平台上信息的收集、分析和挖掘,研究并获取微博舆论中的话题热点和趋势,将有助于政府及时了解社会舆情和快速做出引导决策,有助于企业及时了解社会热点和快速做出商业决策,也有助于互联网用户把握社会热点和快速获取社会信息等。 本文首先介绍了互联网舆情挖掘的研究现状和发展方向 ...
郭凯杰
core  

Authority Versus Competition: Intergovernmental Interactions and Subnational Policy Adoption in Climate Policy

open access: yesReview of Policy Research, EarlyView.
ABSTRACT In the face of increasingly complex environmental challenges, subnational governments play a critical role in implementing climate policies. This study investigates how intergovernmental interactions—specifically formal authority interactions and informal competitive interactions—shape the adoption of climate policies by Chinese provincial ...
Shiming Zheng, Alex Jingwei He, Yujie He
wiley   +1 more source

基于组合赋权和理想区间法的真空断路器状态评估

open access: yesGaoya dianqi, 2019
客观合理地评估断路器运行状态是提高设备运行可靠性、保证电力系统安全稳定运行的重要手段。通过将真空断路器评价标准处理为理想区间数概念,提出了基于组合赋权思想的理想区间法来评估断路器状态。首先针对单一赋权方法的局限性,采取基于灰关联度思想的改进方法确定指标主观权重,基于数据变异度的熵权法得到客观权值,同时引入矩估计理论建立二者偏差最小的规划方程组以求出指标最优组合权重;再运用多目标决策的理想区间法计算待评样本与标准理想区间的距离值,倒代换归一化处理后根据择近原则得出断路器评估等级。算例表明,该方法有效可行 ...
王泉   +5 more
doaj  

The Dejudicialization of the German Federal Bureaucracy: An Organizational Perspective on Policy‐Related Knowledge

open access: yesReview of Policy Research, EarlyView.
ABSTRACT Using data from a long‐term survey of senior civil servants (1970–2021), this study investigates the declining share of jurists in federal ministerial departments in Germany. The mechanisms driving this trend and its subsequent effects are discussed from an organizational perspective, highlighting the influence of environmental pressure and ...
Marian Döhler
wiley   +1 more source

基于梯形模糊数的电力变压器故障模式重要度评定方法研究

open access: yesGaoya dianqi, 2012
电力变压器各部件故障模式之间具有高度的复杂性和关联性,且设备价值昂贵,实施可靠性试验困难,所以难以利用传统重要度定义的方法进行重要度分析。鉴于上述问题,笔者提出了基于梯形模糊数的重要度评定方法。通过分析影响故障模式重要度的因素,建立了重要度评价指标体系,并借助德尔菲法制定了指标的评价等级及相应评分准则,引入了协调程度的概念对专家评分进行修正,并利用梯形模糊数确定指标权重,最终通过线性加权将指标与指标权重结合,得到了各故障模式的重要度。计算实例表明,该方法简便、有效,可用于电力变压器的可靠性评估及维修决策。
刘军, 周婧婧, 谢世恒, 宋伟
doaj  

Assessment Research of Coastal Ecosystem Carrying Capacity: a Case Study in Guangxi Coastal Area [PDF]

open access: yes, 2015
海岸带自然资源充足,环境条件优越,支撑着沿海地区社会经济发展。然而,海岸带由于受到来自陆域和海洋的强烈相互作用,成为了最易受到环境影响而变化的生态敏感区和脆弱性较强的生态系统。相比自然的影响,人类活动是海岸带生态系统受到的最主要干扰源。随着近年来海岸带地区人类开发活动强度的持续增加,海岸带出现了资源日渐匮乏、环境质量下降、生态风险升高等一系列问题,海岸带生态系统呈现出一定的退化趋势。开展海岸带生态系统承载力评价研究,有利于协调自然、经济、社会之间的发展关系,为制定合理的海洋发展战略提供科学依据和技术支撑。
韩宇
core  

Non‐Members in a Tight Spot: How Norway Navigated Autonomy in EU Pandemic Management

open access: yesReview of Policy Research, EarlyView.
ABSTRACT This study offers new insights into how closely integrated non‐member states navigate tensions between autonomy and dependence when urgent policy responses are required within complex supranational frameworks. It does so by exploring how these non‐members exercise their “wriggle room”—a tailored sub‐category of the broader concept of autonomy ...
Sjoerd Alexander de Winter
wiley   +1 more source

The Construction and Application of China’s Financial Condition Index [PDF]

open access: yes, 2016
资产价格与货币政策的关系一直以来都备受争议。传统的货币政策并不关注资产价格,而是以通货膨胀为政策目标。但是近年来,资产价格对实体经济的影响日益显著,2008年美国次贷危机背后的原因就是资产价格泡沫破灭。在这种情况下,政策制定者继续漠视资产价格是不合情理的。对我国来说,随着股票市场和房地产市场的发展,股价、房价等资产价格的变动通过资产价格渠道影响了货币政策的作用效果,进而对实体经济产生冲击。基于此,很多学者和货币当局都希望能够将资产价格纳入货币政策,并尝试构建一种更广义的价格指数来全面衡量金融环境 ...
姜昕
core  

From Douyin Shop to TikTok Shop: The Platformized Supply Chain, Spatialized Business Model, and Regional Partnership in Cross‐Border e‐Commerce

open access: yesPolicy &Internet, Volume 18, Issue 1, March 2026.
ABSTRACT This article investigates how TikTok Shop reproduces the e‐commerce model of Douyin Shop against a backdrop of divergent regulatory challenges and geopolitical distrust. One of the strategic changes we observe in TikTok Shop is the shift of consumer goods suppliers from local merchants to China‐based sellers.
Shuaishuai Wang, Jing Meng, Yitong Li
wiley   +1 more source

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