Results 1 to 10 of about 751,804 (124)
Zhejiang Daxue xuebao. Lixue ban, 2023 不同生计类型视角下的土地多功能利用水平与差异研究是深入推进旅游与土地融合发展，协调城郊旅游发展用地矛盾的重要途径。以长沙城郊乡村旅游地为研究区域，基于参与式农村评估、熵权法、区位熵等方法，探究城郊乡村旅游地不同生计类型农户土地多功能利用水平、优势度及其差异性特征。结果表明：（1）不同生计类型农户土地多功能利用水平存在差异。非旅型土地经济功能、生态功能水平最高，旅专型社会功能水平最高。（2）不同生计类型农户土地多功能利用内部功能权衡协同分异显著。非旅型经济功能与社会功能的权衡冲突最明显。兼旅型 ...
罗文斌(LUO Wenbin) +4 more
doaj +1 more source
Conservation Biology, Volume 37, Issue 3, June 2023., 2023 Abstract Over 1 million species around the world are at risk of extinction, and conservation organizations have to decide where to invest their limited resources. Cost‐effectiveness can be increased by leveraging funding opportunities and increasing collaborative partnerships to achieve shared conservation goals. We devised a structured decision‐making
Natasha A. Lloyd +6 more
wiley +1 more source
Policy Studies Journal, Volume 50, Issue 2, Page 366-386, May 2022., 2022 Abstract Managing environmental problems requires cross‐sectoral and cross‐level collaboration among actors. Scholars of institutional arrangements investigate how rules shape such collaboration. Scholars of the Advocacy Coalition Framework (ACF) look for explanations for collaboration in actors' values and beliefs.
Laura Herzog +2 more
wiley +1 more source
Gaoya dianqi, 2022 针对电网电压出现不平衡会导致储能变流器（power conversion system,PCS）输出的有功功率波动、无功功率波动和三相电流峰值越限问题，文中提出了一种考虑电流峰值限制的储能变流器协调控制策略。首先分析了传统控制策略在电网电压不平衡下的局限性；其次利用瞬时功率理论与加权思想，在αβ两相静止坐标系上实现抑制有功功率波动与抑制无功功率波动的协调控制；然后在上述基础上，加入一种电流峰值限制方法，能在PCS进行协调控制的同时保障输出的三相电流峰值不越限 ...
谭丽平 +8 more
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基于InVEST模型的渭河流域干支流生态系统服务时空演变特征分析
Shuitu Baochi Xuebao, 2021 渭河作为黄河的最大支流，是生态保护建成区重点之一，对其生态系统服务研究有利于实现流域内高质量发展和生态保护之间的平衡关系，保持流域生态系统服务功能，促进流域生态系统恢复。基于InVEST模型分析渭河流域2000—2018年5期土地利用和干支流生态系统服务时空动态变化，采用相关性分析水源涵养、土壤保持和生物多样性之间的权衡和协同。结果表明：19年间，研究区土地利用情况主要以耕地、草地和林地为主，占总面积的95%以上。流域内水源涵养呈现"先上升后下降"趋势，平均栅格单元产水量542.9 mm ...
李子, 张艳芳
doaj
Rare Metals, Volume 45, Issue 5, May 2026.ABSTRACT Giga‐casting, a near‐net‐shape manufacturing process widely used in sectors such as new energy vehicles and aerospace, demands aluminum alloys with high integration, efficiency, and comprehensive performance. However, traditional die‐cast alloys still face two core bottlenecks: the strength–ductility trade‐off and high‐temperature ...
Zhanwei Su +3 more
wiley +1 more source
Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT Soft‐magnetic materials (SMMs) are indispensable for electrification and sustainable energy systems, yet their inherent mechanical fragility fundamentally limits applications under severe mechanical stresses. Enhancing the yield strength of SMMs is essential to prevent the degradation in magnetic performance and failure from plastic ...
Nairan Wang +6 more
wiley +1 more source
Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT Proton exchange membrane fuel cells (PEMFCs) require advanced bipolar plate coatings to enhance efficiency, durability, and commercialization potential. This review presents a systematic framework for evaluating and designing bipolar plate coatings, integrating material selection, performance metrics, deposition techniques, and future ...
Shijie Li +12 more
wiley +1 more source
Rare Metals, Volume 45, Issue 1, January 2026.ABSTRACT Transition metal carbides demonstrate exceptional mechanical properties but confront a critical hardness–toughness trade‐off. Spinodal decomposition‐mediated phase separation is an effective approach to enhance mechanical properties in carbide ceramics through high‐temperature treatment.
Zhi‐Xuan Zhang +6 more
wiley +1 more source
World Medical &Health Policy, Volume 17, Issue 3, Page 580-588, September 2025.ABSTRACT Women's reproductive rights in China are shaped by geopolitical and cultural factors, resulting in restricted access to planned oocyte cryopreservation (planned OC). While the global discourse surrounding planned OC continues to evolve, China currently sanctions egg freezing for medical purposes exclusively in married women, while prohibiting ...
Olivia M. Y. Ngan +2 more
wiley +1 more source