Results 31 to 40 of about 645,131 (154)
Gaoya dianqi, 2023 双层电介质广泛应用于高压电气设备绝缘系统中，由此引入的空间电荷积聚和局部电场畸变问题已得到普遍关注。为揭示界面空间电荷特性及其影响影响因素，文中以热老化处理（130℃）的双层聚酯薄膜（PET）为研究对象，采用电声脉冲法（PEA）测量技术对不同热老化程度双层介质的空间电荷特性进行研究，基于测试结果从3个方面对双层介质表面态特性进行表征，建立改进的双极性电荷输运模型（BCT），模拟空间电荷的动态演变过程，揭示了表面态对电荷特性的影响规律。试验结果表明：随着老化时间增加，界面电荷密度先增加后减小 ...
姜雄伟, 金涌涛, 韩睿, 彭庆军
doaj
First, He Was Adam, and Then, She Was Eve
Sexuality, Gender &Policy, Volume 9, Issue 4, November 2026.ABSTRACT Trans* is an umbrella term that is used to describe people who identify with a gender that is different from their assigned sex at birth. There has been a marked increase in young people presenting to child and adolescent mental health services due to a lack of specialist gender clinics in the United Kingdom.
Corey Hartley +2 more
wiley +1 more source
Gongye shui chuli太阳能驱动界面蒸发（Solar-driven interfacial evaporation，SDIE）是以光热转换为原理，太阳能在光热材料表面转换为热能，使水由液态转化为气态，具有环境友好和高效蒸发的优点，在水处理中备受关注。但目前仍面临光热转换效率低，耐盐性差以及规模化应用成本偏高等问题。首先回顾了太阳能驱动界面蒸发技术的发展历程，系统介绍了碳基光热材料的光热转换机理与界面蒸发器的设计。综述了不同碳基光热材料在太阳能驱动界面蒸发中的研究进展，包括基础碳材料，如石墨烯、碳纳米管和炭黑，碳基复合材料 ...
任芝军, 张宗伟, 任铁真
doaj +4 more sources
Dianci bileiqi, 2016 采用基于内聚力裂缝模型（CCM）的有限元分析方法,模拟支柱式绝缘子的不同结构界面的力学特性,仿真再现了绝缘子受弯矩外载下界面脱粘失效的过程,并研究了粘结界面力学性能对绝缘子整体承载力的影响。分析表明,粘结层开裂过程可分为界面承载、界面开裂和裂纹扩展3个阶段;水泥粘结剂与金属基座的粘结层开裂时间早、脱粘速度快是绝缘子结构的薄弱环节;界面刚度、断裂能、极限强度的增加均能有效提高绝缘子的结构承载力,但随着承载力增加,破坏模型由界面脱粘变为水泥粘结剂受拉破坏。
马艳枝, 张艳红, 刘占民
doaj
World Food Policy, Volume 12, Issue 2, November 2026.ABSTRACT Prevailing levels of hunger, malnutrition, and food insecurity—driven by conflict, global economic crises, and ecological destruction—are threatening fulfillment of the right to adequate food. The integration of human rights in food systems policies can address these challenges; however, progress in the adoption of human rights–based ...
Ellen Johnson +4 more
wiley +1 more source
, 2000 综述国际上在水气界面处传质研究的新进展，在简评各种基本的传质模型基础上，着重介绍在剪切水气界面附近湍流相干结构及其与气体传输的关系方面的一些新发现、新观点。对于实际海气界面气体传输的若干机制进行了评述。为实际估算海气界面气体传输速度的目的，建议了一种综合考虑剪切与波破碎两种机制的气体传输复合计算方法 ...
贾复
core +2 more sources
, 1992 研究材料的界面和表面的力学行为与破坏机理,是当代材料科学、力学、物理学的前沿课题之一,而复合材料界面问题更有其自身的特殊性和复杂性。本文结合笔者的研究工作重点讨论了纤维复合材料界面力学的共性问题,阐述了复合材料界面的性质、复合材料界面的力学模型和理论、界面力学表征的实验研究、界面损伤破坏机理 ...
冼杏娟
core +2 more sources
四川大学学报. 自然科学版, 2015 用户界面作为人与机器之间信息交互的桥梁,良好的用户界面能够提高人机交互的效率.本文以软件界面布局和色彩特征作为研究对象,采用神经网络方法建立特征与软件美感之间的关系模型,遗传算法进行特征选择,找出对界面美感影响较大的特征,并且通过主成分分析,最终提炼出界面美感的设计要素.
袁培飒, 陈锐, 林涛, 李枭
doaj
World Water Policy, Volume 12, Issue 4, November 2026.ABSTRACT This article examines how renewable‐energy expansion is changing water–energy bargaining among Iran, Iraq, and Türkiye in the Tigris–Euphrates basin. Much of the existing literature on transboundary water politics focuses on territorial control, upstream–downstream power asymmetries, legal rules, and hydro‐hegemony but gives less attention to ...
Umud Shokri
wiley +1 more source
Policy Studies Journal, Volume 54, Issue 4, November 2026.ABSTRACT The intersection of immigration and welfare has taken a central stage in the politics of social policy and garnered increasing scholarly attention in welfare politics research. While prior research has examined how immigration affects welfare support and welfare generosity in the US, less is known about the determinants of immigrant‐related ...
Ping Xu, Ling Zhu, Sebastian Ege
wiley +1 more source