Results 61 to 70 of about 2,094 (150)
Regulation &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
欧洲大范围跨国电力互联在极端天气下电力安全保供中的作用分析 [PDF]
全球能源互联网随着全球气候变化不断加剧，极端天气对电力系统的影响日益增强，电网在电力安全保供中发挥的作用愈发受到关注。欧洲电网作为世界上规模最大的跨国互联电网，其在极端天气下的电力安全保供中发挥的作用值得研究借鉴。首先，对欧洲电网跨国互联进程、跨国电力配置、跨国互联目的进行梳理，并从电力交易与调度的关系、跨国电网耦合机制、跨国输电通道容量分配机制等角度分析欧洲跨国电网的交易与调度特征。其次，以2022年夏季极端高温干旱天气下的欧洲电力供应紧张事件为例，从电量余缺互济、平衡资源共享、统一电力市场支撑 ...
赵腾, 高艺, 邬炜
doaj +1 more source
Control strategy research for PV DC microgrid with hybrid storage system [PDF]
, 2016 以光伏、风电等可再生能源为主的分布式发电技术因为其随机性、不稳定性，对配电网潮流改变带来的安全性等问题，其发展得到一定的制约。微电网被广泛认为是解决分布式发电技术应用瓶颈的有效解决方案，而直流微电网以直流形式传输电能，控制结构简单，不需考虑频率和相位，系统损耗小，效率高，也更加适合越来越多的直流电器的接入，因此具有很强的推广实用价值。本文在研究了直流微电网的国内外研究发展现状、架构，以及包括控制技术、储能技术、保护技术等关键技术基础上，对包含有蓄电池和超级电容器在内的光伏直流微电网系统进行了研究 ...
杨贇
core
International Journal of Applied Linguistics, Volume 35, Issue 3, Page 1134-1148, August 2025.ABSTRACT E‐books, powered by multimedia and interactive features, are widely used to support young children's language and literacy development. This study examines the relations of e‐book narration and bilingual parent–child talk to children's learning during shared reading. Data from 121 English learners in China and their parents were analyzed using
Dandan Yang +3 more
wiley +1 more source
全球能源互联网, 2018 微分代数方程的解算方法是电力系统仿真技术的基础，不同的解算方法得到仿真模型的解算结果之间存在差异，这对模型的计算分析及评估有重要影响。基于当前较为常用的商用软件平台中使用的三种分析方法—EMTP类软件的节点分析法、用于Matlab/Simulink的状态空间法以及用于RT-LAB平台的状态空间节点法，结合各算法的特性，基于典型RLC电路模型进行仿真，通过仿真结果说明各算法之间的差异，并理论分析了结果差异产生的原因。
刘栋 +6 more
doaj +1 more source
Research on current tracking methods of single-phase inverter based on observer [PDF]
, 2016 近年来，逆变技术作为电力电子技术的一个重要分支，在交流驱动、有源滤波器、静止无功补偿器、电网互联等方面得到了广泛的应用。逆变器作为电网中的重要接口设备，其性能的优劣决定了电能的质量。因此，吸引了大量学者致力于逆变控制技术的研究。 逆变器控制的核心问题是电流跟踪控制。模型预测控制算法具有控制效果好、鲁棒性强等优点，可有效地克服过程的不确定性、非线性和耦合性，因此，在电力电子领域得到了广泛的应用。然而，模型预测控制是一类基于模型的控制方法。在实际应用中，系统模型与真实被控系统之间总存在着偏差 ...
吴扬波
core
Sexuality, Gender &Policy, Volume 8, Issue 2, May 2025.ABSTRACT This study examines the association between women's empowerment indicators and sexual autonomy across 22 sub‐Saharan African countries, utilizing data from 188,017 women of reproductive age. Drawing from Demographic and Health Surveys, descriptive and multilevel logistic regression analyses were employed.
Turnwait Otu Michael +2 more
wiley +1 more source
The platform policy matrix: Promotion and regulation
Policy &Internet, Volume 17, Issue 1, March 2025.Abstract This study provides a comprehensive analysis of policy measures adopted by countries in response to the rapid growth of digital platforms, which significantly impact various sectors and national economies. It examines the delicate balance between regulation and innovation, offering nuanced policy recommendations.
Junic Kim, Shanghe Ahn
wiley +1 more source
全球能源互联网, 2018 利用阿拉伯半岛地理和资源优势，将富裕清洁电力向周边国家和地区输送，对全球清洁能源的高效利用和海湾地区能源可持续发展具有重要意义。调研了海湾六国能资源储量和电力供需现状，结合海湾六国可再生能源开发潜力，提出了近、中、远期海湾六国向北非、欧洲和南亚方向的输送清洁电力的方案设想，提出了联网的路径、输电距离、输电容量和拟采用的输电技术。通过初步的技术经济比较，对不同输电方案进行了比选分析。最后梳理了各阶段联网方案的关键技术。综合考虑政治、经济和技术因素，海湾地区清洁电力向欧洲方向送电采用特高压直流方案经济性更优，
吴俊玲 +6 more
doaj +1 more source
International Journal of Older People Nursing, Volume 19, Issue 1, January 2024.Abstract Introduction In this digital age, the Internet has become a major source of health information, and electronic health (eHealth) literacy becomes increasingly important for older individuals to properly use the extensive eHealth resources for self‐care.
Luyao Xie +3 more
wiley +1 more source