Results 1 to 10 of about 3,849 (112)

Magnetostriction quasi-static measurements with laser Doppler effect [PDF]

open access: yes, 2016
A quasi-static method for measuring the magnetostrictive coefficient of Fe-Ga alloys by using laser Doppler effect was put forward, and its working principle was also analyzed. The quasi-static magnetostrictive coefficient of Galfenol was measured.
LI Ying-ming   +4 more
core   +1 more source

国内外避雷器用氧化锌电阻片的技术现状与发展趋势

open access: yesDianci bileiqi, 2021
文章综述了中国和其他国家避雷器用氧化锌电阻片技术的现状与发展趋势。氧化锌电阻片是金属氧化物避雷器的核心部件,它的电性能决定了避雷器的电性能。电阻片的发展是随着避雷器的要求而发展的,随着避雷器向特高压、罐式小型化及特高压直流发展,电阻片向低成本、低残压、高能量、高梯度及交直流通用的方向发展。讨论了配方和工艺对电阻片电性能的影响,总结了提高电阻片电压梯度和通流容量、降低电阻片的残压和直流电阻片的研究方法。指出了提高电阻片生产的自动化程度和绿色制造的重要性,分析了避雷器标准的修订对电阻片电性能的影响 ...
王兰义, 任鑫, 黄海, 姚政
doaj  

可控自恢复消能装置避雷器多次冲击能量耐受特性研究 附视频

open access: yesDianci bileiqi, 2022
可控自恢复消能装置避雷器采用防闪络结构,可以有效防止单个电阻片侧面闪络引起整只避雷器故障,并通过监测系统及时查找故障点,以便得到及时处理,不会造成线路异常停电。避雷器具有并联柱数多、吸收能量大、动作次数多、通流时间长的特点。研究电阻片多次冲击能量耐受以及耐受后电阻片的性能变化情况,对确保避雷器长期可靠运行具有重要意义。试验以平高东芝(廊坊)避雷器有限公司用于白鹤滩-江苏工程虞城站可控自恢复消能装置避雷器的电阻片为对象,研究了电阻片依次进行210次冲击能量耐受试验、加速老化试验 ...
1.平高东芝(廊坊)避雷器有限公司
doaj  

Electrolyte With Functionalized Boron Nitride Nanosheets for Dendrite‐Free Lithium Metal Anodes

open access: yesRare Metals, Volume 45, Issue 3, March 2026.
ABSTRACT Lithium metal batteries (LMBs) are regarded as promising candidates for the next‐generation high‐energy‐density storage systems due to their unparalleled theoretical energy density and low redox potential. However, the commercialization of LMBs is tremendously plagued by the barbaric growth of lithium dendrite and the intricate decomposition ...
Ji Zhou   +5 more
wiley   +1 more source

MEMS PRESSURE SENSOR BASED ON AUTOMOTIVE ELECTRONICS [PDF]

open access: yes, 2010
传感器技术是现代科学技术发展水平的重要标志,它与通信技术、计算机技术构成现代信息产业的三大支柱。硅压力传感器主要包括压阻式、电容式、谐振式以及压电式等形式。目前,硅压阻式压力传感器是应用最广泛的传感器之一,它具有接口电路简单、加工工艺成熟、成本低等优点。 由于我国的工业特别是汽车工业的飞速发展,基于汽车电子的压力传感器市场使得对具有自主知识产权的高可靠性的压力传感器的需求与日俱增。由于应用环境的恶劣,基于汽车电子的压力传感器(比如,发动机油压传感器、喷油压力传感器、以及汽车胎压传感器等 ...
陈文山
core  

In Situ Construction of S‐Scheme VIn‐Zn2In2S5/O‐Zn2In2S5 p–n Homojunctions for Enhanced Photocatalytic Hydrogen Evolution

open access: yesRare Metals, Volume 45, Issue 3, March 2026.
ABSTRACT The construction of p–n homojunctions represents a promising strategy for effective solar‐driven photocatalytic hydrogen evolution, owing to their inherent advantages of superior lattice matching and minimized charge transfer resistance. However, this approach remains largely unexplored.
Yueqiang Lin   +6 more
wiley   +1 more source

Surface Sulfate Modification Promoted Excitons Extraction of BiOBr Nanosheets for Efficient 1O2 Photosynthesis and Chlorophenols Dechlorination

open access: yesRare Metals, Volume 45, Issue 2, February 2026.
ABSTRACT Photocatalytic molecular oxygen (O2) activation provides a sustainable approach to produce singlet oxygen (1O2) for organic contaminants detoxification. However, the charge carriers‐involved pathway usually suffers from unsatisfactory 1O2 production efficiency owing to energy loss caused by photogenerated hole‐mediated superoxide species (•O2−
Yan‐Biao Shi   +8 more
wiley   +1 more source

Surface‐Embedded Ag@Multilayer Graphene for Photothermal‐Enhanced Superhydrophobic Anti‐Icing Coatings

open access: yesRare Metals, Volume 45, Issue 2, February 2026.
ABSTRACT Harnessing solar energy for self‐heating presents an effective strategy to suppress surface ice formation. In this paper, we fabricated nano‐silver‐modified multilayer graphene sheets (Ag@MGs) that integrate photothermal and superhydrophobic properties for anti‐icing applications.
Yihan Zhang   +7 more
wiley   +1 more source

Scalable Synthesis of Ultrathin Silica Nanosheets for Applications in Thermal‐Management Aerogels and Flexible Composite Films

open access: yesRare Metals, Volume 45, Issue 1, January 2026.
ABSTRACT Silica nanosheets (SiO2 NSs) hold great promise for advanced thermal protection applications because of their exceptional thermal and chemical stability. However, their development has been hindered by challenges in scalable synthesis and structural integration for specialized applications.
Qun‐Yao Yuan   +3 more
wiley   +1 more source

降低ZnO电阻片在能量冲击下侧面失效率的研究

open access: yesDianci bileiqi, 2019
为了减少ZnO电阻片在能量冲击下侧面失效率,将不同配方的高阻釉施涂在电阻片的侧面,研究不同的高阻釉对于电阻片电性能的影响。结果表明:在电阻片的侧面施涂绝缘能力和膨胀系数匹配性均达到要求的高阻层,能够使电阻片的缺陷减少,均匀性提高,从而使电阻片的电性能提高,降低了ZnO电阻片在能量冲击下侧面失效率。
厍海波   +5 more
doaj  

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