Results 21 to 30 of about 4,411 (116)
Rare Metals, Volume 45, Issue 2, February 2026.ABSTRACT Fluxgate sensors with Co‐rich amorphous microwires, widely used for their low noise in magnetic field measurements, encounter significant challenges in high‐temperature environments such as well drilling and geological exploration. Prolonged thermal aging degrades the performance of Co‐rich amorphous microwires, resulting in increased noise ...
Lining Pan +10 more
wiley +1 more source
Rare Metals, Volume 45, Issue 2, February 2026.ABSTRACT Converting CO2 to CH4 under mild conditions is a promising strategy for solving environmental and energy problems, but also a challenge. In this work, the low‐temperature CO2 hydrogenation process over Ni/CeO2 catalysts was significantly accelerated by optimizing the H2 dissociation ability of Ni through the size effect, thus A‐Ni/CeO2 with an
Yu Xie +8 more
wiley +1 more source
Dianci bileiqi, 2018 高压支柱瓷绝缘子的断裂会对电力系统的安全稳定运行带来严重威胁,而支柱瓷绝缘子的断裂事故在冬季低温环境中尤为多见。为分析低温环境下支柱瓷绝缘子的力学特性,建立了支柱瓷绝缘子的热-结构耦合有限元模型及胶装区域孔隙结冰膨胀的数值计算模型,计算分析了不同环境温度下、不同位置和不同程度结冰膨胀时的应力分布规律及相应的最小临界裂纹尺寸变化规律,研究表明:环境温度的降低、膨胀程度的增大可导致支柱瓷绝缘子所受的最大拉应力随之增大,最小临界裂纹尺寸则相应地逐渐减小 ...
陈茂盛
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Optimizing CuO on 3D Ordered Macroporous CeO2 for CO Oxidation in Rich Hydrogen
Rare Metals, Volume 45, Issue 2, February 2026.ABSTRACT CO preferential oxidation (CO‐PROX) in rich H2 is considered a feasible strategy to solve CO poisoning for fuel cells, but obtaining good activity at low temperatures is still a challenge. Herein, three‐dimensional ordered macroporous (3DOM) CuO/CeO2 catalysts were fabricated by a templating approach, with the metal–support interaction (MSI ...
Xiaohua Chen +7 more
wiley +1 more source
Rare Metals, Volume 45, Issue 1, January 2026.ABSTRACT Ceramic capacitors are critical components in advanced electronic devices, primarily due to their multi‐functionalities in energy/information storage and conversion. However, poor temperature stability remains a long‐standing challenge for practical applications, especially at extremely high‐ or low‐temperature conditions (e.g., > 200°C or ...
Zhi‐Peng Li +7 more
wiley +1 more source
Religious uses shape the selection and distribution of Chinese Buddhist tree species
People 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
Gaoya dianqi, 2015 在例行试验时发现550 k V断路器合闸电阻阻值超标,通过解体、试验,发现由于该型号合闸电阻具有负温度特性,其阻值会随环境温度的降低而变大。为确保在现场准确测量合闸电阻阻值,提出了该型号产品在生产时应充分考虑环境温度的影响,在测量时记录环境温度并进行阻值换算的改进措施。
杨景刚, 贾勇勇, 赵科, 高山
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Rare Metals, Volume 44, Issue 9, Page 6417-6425, September 2025.Graphic abstract Abstract Real‐time detection of acetic acid vapor is of concern for ensuring environmental and personal safety. However, acetic acid gas sensors, particularly those based on Bi2O3, often fail to meet practical performance requirements owing to their slow response characteristics and high operating temperature.
Fan Yang +6 more
wiley +1 more source
Gaoya dianqi, 2022 SF6/CF4混合气体主要应用于低温环境下的气体绝缘电气设备中，气固交界面是设备的绝缘薄弱环节，有必要研究低温环境下SF6/CF4混合气体中的绝缘子沿面闪络特性。文中首先分析了SF6/CF4混合气体的基本绝缘和液化特性，据此选择0.7 MPa 50%SF6/50%CF4混合气体进行-50～20℃温度范围内的圆柱形绝缘子沿面闪络试验，同时开展了0.5 MPa SF6气体在-35～20℃温度范围内的对照试验。其次采用威布尔分布分析了沿面闪络电压的概率分布特性。发现SF6 ...
陈远东 +6 more
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