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Factors that shape large‐scale gradients in clonality

open access: yesJournal of Biogeography, Volume 50, Issue 5, Page 827-837, May 2023., 2023
Abstract Aim Many plant species reproduce clonally. However, ecologists still have much to learn about the factors that shape large‐scale patterns in plant clonal growth and reproduction, especially in the southern hemisphere. We addressed this knowledge gap by quantifying relationships between reproductive mode and a suite of plant characteristics and
Hongxiang Zhang   +4 more
wiley   +1 more source

环保高压开关技术和设备研究现状及展望

open access: yesGaoya dianqi, 2022
较高的温室效应使得SF6在气体绝缘设备中的使用受到了极大的限制,国内外学者致力于寻找SF6替代环保气体及环保设备的研发,并取得了相关的研究成果。文中针对深度低碳电力行业的需求,对常见SF6替代气体基本性能、环保设备研发现状及关键技术进行了综述,对3种主流技术路线(常规替代气体介质技术、新型替代气体介质技术、真空断路器技术)进行了分析对比,总结了环保高压开关设备未来发展趋势及关注事项,以期为未来环保高压开关的开发和技术进步提供有益的参考。
赵启
doaj  

均匀电场中SF6及其替代气体雷电冲击特性实验研究

open access: yesGaoya dianqi, 2021
SF6气体因其温室效应所带来的问题被越来越多的人所重视,C5F10O(C5)、C4F7N(C4)及其与Air或CO2的混合气体被认为是目前最具潜力替代SF6的绝缘介质。文中基于搭建的可拆实验装置和平台,以板板、同轴两种典型电极结构,实验研究了均匀电场中SF6及其替代气体雷电冲击特性。结果表明:SF6、C5/Air和C4/CO2气体50%击穿电压均随充气压力的升高而增大,SF6气体的上升率最大,C4/CO2上升率最小;在同轴结构下,施加雷电冲击电压的极性对SF6和C4/CO2气体的击穿电压影响相对较大 ...
唐念   +4 more
doaj  

环保型绝缘气体技术经济性能综合评估研究

open access: yesGaoya dianqi, 2023
SF6是一种强温室气体,排入环境危害巨大,研究能替代SF6的环保型绝缘气体是绿色发展的必然。文中首先简略介绍了针对SF6替代气体的研究情况,重点结合工程实际应用需求,提出了环保型气体多维度评价体系,并依据提出的评价标准对多种潜在的SF6替代气体进行了综合分析。综合理化性能、安全性能和绝缘性能多个维度评估,结果表明,C5F10O、C6F12O、C3F7CN综合性能优异,其中C5F10O、C6F12O混合气体具备应用于中低压设备,C3F7CN混合气体具备应用于中高压气体绝缘设备的潜力 ...
李学妨, 史俊, 刘晓波, 张英
doaj  

新型环保绝缘气体研发回顾与展望

open access: yesGaoya dianqi, 2022
文中针对目前电力行业SF6替代的迫切问题,重点回顾了环保型SF6替代气体的重要探索历程,以及气体分子设计方法的发展趋势,指出传统方法难以创造出新颖的分子结构以兼顾环保绝缘气体的各项性能要求。针对目前的问题与挑战,文中创新性地提出将材料基因工程这一兼具颠覆性和可行性的前沿技术引入到新型气体的探索研究中,研发出性能更优的单一分子和共沸协同复配体系,形成面向电网应用的新型气体“g4”。
张博雅   +14 more
doaj  

真空开断型环保GIS发展现状及趋势

open access: yesGaoya dianqi, 2022
文中对于真空开断型环保GIS的现状、趋势及关键技术进行了综述。针对深度低碳电力系统的需求,总结对比了 SF6混合气体、SF6替代气体和真空开断+环保绝缘气体 3 种主流 SF6替代技术路线,分别介绍了SF6/N2混合气体、SF6/CO2混合气体、CF3I、c-C4F8、C5F10O、C4F7N、HFO气体及真空开断+环保绝缘气体的技术特点与现有产品,经过对比分析认为真空开断+环保绝缘气体是一种非常有前景的 SF6替代手段。在此基础上 ...
贾申利, 贾荣照, 朱璐
doaj  

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

Integrating Plant Tissue Culture and DNA Barcoding: Cutting‐Edge Technologies for Plant Conservation in Sri Lanka 整合植物组织培养与dna条形码技术:斯里兰卡植物保护的前沿技术

open access: yesIntegrative Conservation, Volume 4, Issue 4, Page 555-568, December 2025.
Brief summary: Sri Lanka's biodiversity is threatened by habitat loss, climate change, and ineffective traditional conservation methods. Integrating plant tissue culture and DNA barcoding offers scalable, precise tools for conserving rare and endemic species.
Mylange Dona Kasundi Mekhala Gunasena   +2 more
wiley   +1 more source

Religious uses shape the selection and distribution of Chinese Buddhist tree species

open access: yesPeople and Nature, Volume 7, Issue 9, Page 2094-2105, September 2025.
Abstract As a widely disseminated world religion, Buddhism's selection of religious species may profoundly impact candidate species distribution. This study sampled 246 Chinese temples covering diverse regions to investigate the selection modes of Buddhist tree species (BTS) and the alien religion's influence on Chinese indigenous biodiversity and ...
Cheng Jin   +8 more
wiley   +1 more source

Servicesheds connect people to the landscapes upon which they depend

open access: yesPeople and Nature, Volume 7, Issue 1, Page 112-126, January 2025.
Abstract Ecosystem services (ES) are benefits people receive from nature. To sustain these benefits, we need to spatially connect communities benefitting from specific ES with landscape features that generate the ES. A variety of process‐based models support ES assessments by estimating the biophysical supply of ES that comes from landscapes.
Yiyi Zhang   +7 more
wiley   +1 more source

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