Results 1 to 10 of about 1,330,993 (165)
电热综合能源系统中热力管网动态建模及协调运行研究综述 [PDF]
电热综合能源系统中的热力管网由于较强的热惯性而具备被动储热能力,可以提高电力系统的调节能力,为大规模可再生能源并网消纳提供空间。利用热力管网储能的方法可在不增加额外设备与投资的前提下,仅通过电力、热力系统的协调优化,达到平抑可再生能源波动性与间歇性、提高可再生能源使用率的目标。该方法已成为目前较具潜力的灵活性提升手段之一,逐渐受到国内外广泛关注。热力系统本身具有多变量、非线性、时延性等特点,且热力管网运行调节独立于电力系统调度之外,导致在刻画评估热力管网所具备的调节能力时,面临电热系统动态建模难以兼容 ...
徐飞 +6 more
doaj +1 more source
New research on basic geology has been done for Upper Carboniferous carbonate lithologic gas pools in the Huanglong Formation in the eastern Sichuan Basin.
Wei Li, Zhijie Zhang, Lurui Dang
doaj +1 more source
将用户侧电、热、气等多种形式能源集成构建微能源系统,能够综合考虑多能流的转换、存储与传输过程中的互补特性,有利于提升系统的整体能源利用效率。然而,系统中不同形式能量的物理属性和传输特性差异较大,现有模型在研究多能流的传输和转换过程时,难以完整考虑热量传输约束及其对能量转换的影响。针对微能源系统中的综合能量管理问题,构建了热力系统中换热器的非线性传热模型,并考虑了热量传输对能量转换效率的影响。同时,结合光伏电池、储能电池、热泵、燃气锅炉、太阳能集热器及相变储热装置建立了微能源系统中能量传输与转换的整体模型,
苟星 +5 more
doaj +1 more source
Modeling seed germination data to meet biodiversity conservation needs in the Mediterranean
Workflow to assess the availability and quality of germination data and assign species' thermal risk in the Mediterranean. (a) Assessment of data availability, including the phylogenetic distribution of the number of records (i.e. available germination data); (b) data quality assessment; and (c) assignment of climate risk categories for species that ...
Diana María Cruz‐Tejada +2 more
wiley +1 more source
A Systematic Scoping Review of Self‐Regulated Learning With AI in Language Education
ABSTRACT The rapid development of artificial intelligence (AI) technology has brought new opportunities for second/foreign language (L2) education while also raising concerns about the use of AI tools. This systematic scoping review provides a snapshot of the current state of research situated at the intersection of self‐regulated learning (SRL) and AI
Zheng Zhang, Sihan Zhou, Barry Bai
wiley +1 more source
ABSTRACT Although the use of AI technologies (e.g., chatbots and automated writing evaluations (AWE)) has gained considerable attention in language learning fields in recent years, how AI technologies have been designed and implemented in language learning education, as well as their effectiveness, is understudied.
Shen Qiao +2 more
wiley +1 more source
车轮虫属一大类寄生性纤毛虫原生动物,可不同程度地给宿主造成危害,故对其研究既具有理论意义,又具有经济价值。文中简单回顾了车轮虫的分类研究和系统发育研究的历史。在分类学研究领域方面,全面介绍了目前车轮虫科已发现属的寄生部位和地理分布等;而系统发育研究领域方面,则介绍了车轮虫研究在萌芽期、探索期和发展期这三个时期的进展,包括形态学和分子生物学两方面的研究内容 ...
龚迎春, 余育和
core
ABSTRACT This computational linguistic study analyzes 8743 Rednote posts to examine how sentiment, emotion, and content domain collectively shape social comparison dynamics on social media. We identify four key findings: (1) an emotional gradient, where upward comparison content exhibits the highest sentiment scores and downward comparison the lowest; (
Michelle Mingyue Gu +7 more
wiley +1 more source
ABSTRACT Multilingual students in Anglophone universities often operate in survival mode. While translanguaging supports learning, critical gaps remain in understanding how translanguaging pedagogies transform and sustain motivation in English‐dominant contexts.
Melissa Jufenna Slamet, Julie Choi
wiley +1 more source
种间生态位分化是物种共存的重要原因,了解种间生态位分化特征对于推测物种多样性维持机制具有重要意义.植物的种间功能性状分化在一定程度上能够反映其生态位分化,进而导致植物在群落内的适合度差异.据此,本研究针对千岛湖地区75种常见木本被子植物,分析了8个与水分输导、资源获取和利用策略相关的功能性状分化,及其与物种多度的关系.主成分分析表明,种间功能性状的分化主要发生在比叶面积、叶绿素含量以及叶气孔密度上.8个性状中有5个,即叶绿素含量、叶片厚度、叶面积、比叶面积和最大树高具有一定程度的系统发育保守性 ...
YUJingjing(余晶晶) +7 more
doaj +1 more source

