Results 51 to 60 of about 4,847 (163)

Research on the impact of underwater noise radiated from offshore wind farm on Chinese white dolphin(Sousa chinensis) [PDF]

open access: yes, 2014
近年来,随着“低碳经济”理念被人们逐步接受并倡导,加大清洁能源开发力度成为未来能源的发展方向。在清洁能源的开发和利用中,风能利用技术相对成熟,而海上风能利用是其重要组成部分。但在海上风电场的建设期和运营期,,尤其是在风机桩基固定过程中进行的冲击式打桩作业,会向水中辐射高强度、瞬发性、宽频带的脉冲信号。研究表明,冲击式水下打桩噪声会影响海洋哺乳动物的行为,掩蔽其声学信号,甚至造成其听觉损伤。 中华白海豚(Chinesewhitedolphin,Sousachinensis)是我国国家一级保护动物 ...
汪启铭
core  

Experimental study on the hydrodynamic characteristics of a combined structure of offshore wind turbine jacket and net cage [PDF]

open access: yes
ObjectiveThis paper proposes a novel structure that combines an offshore wind turbine jacket and aquaculture net cage, and its hydrodynamic characteristics are investigated.
Biao QIU   +5 more
core   +1 more source

Achieving Transboundary Water Security Through Water Innovations: A Framework and Cases

open access: yesWorld Water Policy, Volume 12, Issue 1, February 2026.
ABSTRACT Alternative sources of freshwater, provided by various innovations, have long been available to countries facing acute water stress. We hypothesize that avoiding and/or resolving conflict with neighbors—caused by the uncertainty of continued access to shared surface water and groundwater sources—is another driver of innovation adoption ...
David Lewis Feldman
wiley   +1 more source

张力腿漂浮式海上风电机组利用锚泊系统作为接地体的可行性研究

open access: yesDianci bileiqi, 2022
为了检验张力腿(tension leg platforms, TLP)漂浮式海上风电机组利用锚泊系统作为自然接地体的可行性,在CDEGS软件中建立了机组的接地体模型进行接地仿真试验,并模拟了海水电阻率、海水水位、海床土壤电阻率、海底锚固基础尺寸、张力腿数目等因素对接地电阻值的影响,仿真试验验证了当各个影响因素在最恶劣的情况下也能保证机组接地电阻值符合GB/T 50065-2011中的相关规定,证明了张力腿漂浮式海上风电机组利用锚泊系统作为接地体具有可行性。
李伟   +4 more
doaj  

CHINA’S LAND FINANCE AS ACTIVE MODE OF LAND DEVELOPMENT AND INFRASTRUCTURE DELIVERY: Reality, History and Prospects

open access: yesInternational Journal of Urban and Regional Research, Volume 50, Issue 1, Page 191-220, January 2026.
Abstract Henry George advocated for capturing land value increases for public ends. The active approach of public authorities organizing and financing land development can help capture higher land value increases, as Hartman and Spit indicate. However, this approach hardly happens in developing countries, where the coalition of private developers and ...
Nannan Xu
wiley   +1 more source

Participation Disenchants: How Online Political Participation Decreases Online Political Efficacy in China

open access: yesRegulation &Governance, Volume 20, Issue 1, Page 35-63, January 2026.
ABSTRACT Existing literature largely agrees that authoritarian regimes establish channels for political participation to gather valuable information on citizens' anti‐regime sentiments and policy preferences and to supervise lower‐level bureaucrats and firms.
Anton Bogs
wiley   +1 more source

Research on Key Technologies and Industrial Chain Cooperation Paths of Floating Offshore Wind Power Between China and Europe [PDF]

open access: yes
China’s equipment manufacturing system and Europe’s experience in project complement each other. Firstly, this paper focused on the industrial chain and key technologies of floating offshore such as wind turbines, floating foundations, mooring and ...
GANG Ao   +5 more
core   +1 more source

Hurricane Impacts on the Population Genetics of an Endangered Ecosystem Engineer 飓风对一种濒危生态系统工程师的种群遗传学影响

open access: yesIntegrative Conservation, Volume 4, Issue 4, Page 641-651, December 2025.
Key Largo woodrats are a small and endangered island species, whose individuals tend to occur in family groups. Isolation from mainland populations, predation, and habitat fragmentation have caused genetic drift, leading to low overall diversity. Here, we found that a major category 4 hurricane promoted genetic diversity in the Key Largo woodrat ...
Taylor Ackley   +5 more
wiley   +1 more source

海洋环境对海上风场接地系统雷击暂态特性影响研究

open access: yesDianci bileiqi, 2018
海上风力发电产业的蓬勃发展面临日益严重的雷电灾害威胁,为有效指导海上风电机组的雷电防护研究,需要研究海洋环境对海上风场接地系统雷击特性的影响。利用PSCAD软件搭建简化海上风场模型,讨论海洋土壤分层环境下上层海水深度和下层土壤电阻率对风机接地系统雷击暂态响应的影响,分析增加接地体长度对于降低暂态过电压的效果。仿真结果表明:风机遭受雷击后,浪涌会传播至其他相连风机,距离雷击点越远的风机,塔底暂态电位幅值越低。下层海床土壤电阻率越大,风机塔底暂态电位幅值越高。上层海水深度越大,风机塔底暂态电位幅值越小 ...
付国定
doaj  

Uncovering Xi Jinping's Policy Agenda: Text As Data Approach

open access: yesThe Developing Economies, Volume 63, Issue 1, Page 9-46, March 2025.
How many agendas has Xi Jinping put forth and promoted since taking office in 2012, and what are the types of agendas? How much of political attention has each agenda received, and how has the allocation of attention changed over time? We utilize a dataset of presidential statements, speeches, and reports from 2012 to 2022 and employed automated text ...
Jaehwan Lim, Asei Ito, Hongyong Zhang
wiley   +1 more source

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