Results 21 to 30 of about 18,570 (167)
ABSTRACT Rechargeable aluminium‐ion batteries (RAIBs) are promising candidates for sustainable energy storage owing to their low cost, safety, and resource abundance. However, the lack of durable cathode materials restricts their development. Here, we propose a topology‐guided design strategy by synthesizing three thioether‐bridged naphthoquinone ...
Jia Qiao +8 more
wiley +1 more source
设计钢管混凝土梁柱长圆孔变型性高强螺栓节点,上下节点板通过高强螺栓拼接连接钢管混凝土柱与钢筋混凝土梁,并引入长圆形螺栓孔以提高节点的延性变形性能。本文通过两个长圆孔变型性高强螺栓节点试件及两个传统焊接节点试件的低周反复加载试验,对不同连接方式节点在地震作用下的承载力、延性变形能力、耗能能力、滞回性能进行研究与对比。试验结果表明,螺栓节点满足节点承载能力,同时其延性性能好于传统焊接节点,节点的延性变形能力通过螺栓在长圆孔中的滑移有明显提高。与焊接节点相比较,最终两个长圆孔变型性螺栓节点发生延性破坏 ...
马人乐 +4 more
doaj
Objective To understand the extended care needs of patients with hypertensive intracerebral hemorrhage, investigate the construction methods of extended nursing service and provide reference for clinical nursing practice of hypertensive intracerebral ...
QIU Yajiao (邱亚娇) +2 more
doaj +1 more source
ABSTRACT Laser powder bed fusion (LPBF) can fabricate high‐entropy alloys (HEAs) with refined microstructure and enhanced mechanical properties. However, the deformation and fatigue mechanisms of Al‐containing HEAs produced by LPBF remain unclear. In this work, we systematically investigate the tensile properties, deformation mechanisms, and high‐cycle
Dan Zheng +4 more
wiley +1 more source
Deformation characteristics of sheared coal seam and their influence on methane migration, Pingdingshan Coalfield, Northern China [PDF]
筑波大学University of Tsukuba博士(理学)Doctor of Philosophy in Science2001【要旨 ...
43809, 李, 火銀
core
Notch strength of high silicon ductile cast iron and wide applicability to structural design [PDF]
In this study, the notch strength σBnotch was investigated for high silicon solid solution strengthened ferritic ductile cast iron in comparison with the tensile strength σBsmooth.
佐野 義一 +6 more
core +2 more sources
Abstract Native speakerism in English language teaching (ELT) has become associated with Whiteness. However, how this association is sustained in everyday practices within China's unique socio‐cultural‐political context remains underexplored. This study examines the raciolinguistic construct of Mubai, a central recruitment criterion in China's ELT ...
Shuling Wang, Raviv Litman
wiley +1 more source
针对两对被时间延迟分开的脉冲会根据相位和时延的变化影响脉冲间的传输特性,且在脉冲重叠区域会受到交叉相位调制的影响发生干涉现象的问题,文章提出了在色散渐减光纤环镜中观察脉冲对的传输特性,研究结果表明,可根据脉冲对之间的相位和时延变化,观察脉冲对的时域特性和啁啾特性,分析脉冲对在不同情况下的传输特性。
史圣达, 张巧芬
doaj
根据锚点位置固定有否,移动IP协议分为锚点固定的移动性管理协议和分布式移动性管理协议两类,后者允许移动节点在会话开始时动态地选择较近的接入路由器作为锚点,从而可以缩短切换时延并实现近似最优的路由.然而,对于给定的会话,锚点的位置是固定的,在会话持续时间内进行移动节点切换时,切换操作与锚点固定的移动性管理协议相同,存在切换时延长和路由欠优问题.为解决该问题,提出了应用双层指针的分布式移动性管理方案.使用“低层指针”在具有移动性管理功能的接入路由器间建立指向关系以缩短切换时延;使用“高层指针 ...
ZHUDeqing(朱德庆) +1 more
doaj +1 more source
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

