Results 41 to 50 of about 1,095,363 (166)
Rare Metals, Volume 45, Issue 5, May 2026.ABSTRACT Composite materials hold significant potential for abrasive sealing, yet composite materials used for abrasive sealing fall short in service durability under extreme environments. Here, a controllable strategy for adjusting pore structure is proposed, aiming to design a YSZ(ESP)/BN@ZrO2‐polyester coating with hybrid micron/nanometer ...
Shuang Yu +8 more
wiley +1 more source
Rare Metals, Volume 45, Issue 5, May 2026.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
Rare Metals, Volume 45, Issue 5, May 2026.ABSTRACT Harnessing the potential of thermoelectric technology to convert waste heat into electricity, this study sought to enhance overall energy utilization efficiency and contribute to sustainable development through the advancement of environmentally friendly direct‐conversion materials.
Wenying Wang +8 more
wiley +1 more source
, 2013 本发明公开了一种评价热障涂层体系可靠性的方法和装置，该装置包括平板试样、试验槽、可控热源，平板试样一面上具有多条带筋冷却槽道，其相对面上设置有热障涂层，平板试样具有冷却槽道的一面密封、固定在试验槽上，其冷却槽道容置在试验槽中，沿冷却槽道方向的试验槽两端设置有进、出液管，可控热源对平板试样的热障涂层表面加热，并通过热电偶测温系统和高温应变片测试系统检测平板试样的温度和应变。本发明的评价热障涂层体系的装置和方法，把热障涂层和基体结构作为一个体系，通过考虑结构效应对热障涂层及界面变形 ...
肖京华 +4 more
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Rare Metals, Volume 45, Issue 5, May 2026.ABSTRACT Phase‐change memory (PCM), characterized by its reversible transition between crystalline and amorphous phases, has emerged as a promising candidate for neuromorphic memory computing applications. However, conventional PCM devices lack an insufficient RESET/SET voltage ratio, which often leads to incorrect recording of the RESET state and ...
Zihan Liu +8 more
wiley +1 more source
, 2010 光总线精确制导控制与测试系统具有技术难度大,系统性强,所处环境恶劣,电磁兼容性要求高的特点.要有效地保障系统预定任务的顺利执行和完成,提高战斗出勤率,因此,IEEE-1394b光总线系统必须是高可靠的,高稳定的.分析研究IEEE-1394b光总线拓扑的可靠性实验研究,是解决IEEE-1394b光总线系统可靠性问题的重要内容之一.提出了基于IEEE-1394b协议的光总线网络拓扑结构的可靠性研究方案,建立了环状拓扑可靠性分析模型,并给出了示例分析.实验结果表明 ...
木素真, 李芳, 段靖远
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, 2005 文章概述了光传送网络技术的发展趋势,分析了影响光传送网可靠性和安全性的主要因素,并从传输设备到整个网络系统,运用层层推理的方法,基于常见的网络模型详细描述了传送网络可用率的计算过程。文章还就如何增强光传送网可靠性和安全性,描述了运用保护和恢复这两种机制在提高传送网可靠性中的重要意义。最后总结了不同因素对传送网可用性影响的敏感性 ...
王孝明
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Ultrasound in Obstetrics &Gynecology, Volume 67, Issue 5, Page 613-622, May 2026.ABSTRACT Objectives To evaluate the effect of aspirin on gestational age at delivery due to preterm pre‐eclampsia (PE) in women with chronic hypertension (CH), to assess the predictive performance of the Fetal Medicine Foundation (FMF) first‐trimester competing‐risks model for preterm PE in this high‐risk group and to evaluate how parity, previous PE ...
D. L. Rolnik +23 more
wiley +1 more source
, 2012 归纳了一种通用的水下节点光通信模型,引入节点存活率作为海底观测网的可靠性指标,针对水下多分支节点较多导致的可靠性降低和铺设施工难度增加等缺点,将NEPTUNE优化为只包含两个多分支节点的交叉环拓扑。对上述两种网络的可靠性进行了仿真,结果表明,交叉环拓扑与NEPTUNE相比具有相近的可靠性,但多分支节点数量更少 ...
周学军, 樊诚, 禹华钢
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