Results 21 to 30 of about 8,329 (169)

Laser‐Driven Halide Exchange and High‐Resolution Multicolor Patterning of Perovskite Films

open access: yesRare Metals, Volume 45, Issue 3, March 2026.
ABSTRACT Translating the excellent properties of metal halide perovskites (MHPs) into practical flexible optoelectronic devices requires high‐resolution multicolor patterning techniques that are compatible with post‐fabrication processing. However, such a capability has remained elusive.
Shu Yang   +6 more
wiley   +1 more source

Effect of Benzalkonium Chloride on Corneal Epithelial Barrier Function and Possible Mechanisms of Benzalkonium Chloride Inhibiting Corneal Endothelial Gap Junction Intercellular Communication [PDF]

open access: yes, 2015
第一部分:局部应用前列腺素类药物对兔角膜上皮细胞屏障功能的影响 目的:苯扎氯铵(BAK)是滴眼液中最常用的防腐剂之一,大量的临床研究发现,局部长期使用含BAK的眼部制剂会出现很多眼部不适症状。含BAK的前列腺素类药物是治疗开角性青光眼的一线药物,临床上患者往往需要长期使用,易导致眼睛干涩,结膜充血等等,然而其作用机制还不是非常清楚。紧密连接与粘着连接等构成了角膜上皮抵御外界病原微生物入侵的第一道生理屏障,对角膜正常生理功能的维持具有非常重要的作用 ...
张振豪
core  

Systematic Study of Fermi‐Level Pinning at Crystalline Metal/GaN Interfaces: First‐Principles Calculations and Diode Characterization

open access: yesRare Metals, Volume 45, Issue 3, March 2026.
ABSTRACT The Schottky barrier height (SBH), which serves as a pivotal determinant of charge carrier injection efficiency in electronic devices, critically governs electrical behavior at metal/semiconductor interfaces. However, pronounced metal‐induced gap states at metal contact interfaces induce Fermi‐level pinning, which constrains the ...
Xiaofei Liu   +10 more
wiley   +1 more source

Effect of Different Methods of Analgesia on Analgesic after Total Knee Arthroplasty [PDF]

open access: yes, 2016
目的比较不同镇痛方法(局部镇痛、硬膜外镇痛、静脉镇痛、髂筋膜间隙阻滞复合静脉镇痛)对全膝关节置换术(TKA)术后镇痛的效果影响。 方法择期单侧TKA患者80例,随机分为四组:局部镇痛组(L组)、静脉镇痛组(I组)、硬膜外镇痛组(E组)、髂筋膜间隙阻滞复合静脉镇痛组(F+I组),术中均采用腰硬联合麻醉。记录术前、术毕1、8、24、48h静息VAS评分和术前、术毕8、24、48h运动VAS评分;记录患者术后其它镇痛药物(凯酚、丁丙诺菲皮贴)的额外使用次数;记录术前、术后8、24h的IL-6和皮质醇水平 ...
郑星星
core  

3D‐Printed Porous High‐Entropy Alloy Boosts Peroxymonosulfate Activation for Long‐Term Organic Pollutant Degradation

open access: yesRare Metals, Volume 45, Issue 3, March 2026.
ABSTRACT High‐entropy alloys (HEAs) have attracted considerable interest from researchers owing to their tunable chemical compositions, exceptional structural stability, and promising catalytic properties. However, their large‐scale application is often hindered by complex manufacturing techniques and poor durability.
Sheng Guo   +9 more
wiley   +1 more source

A Preliminary Study of Probe preparation for Localized Surface Plasmon Resonance Scanning Microscope [PDF]

open access: yes, 2015
田中群院士提出了一种纳米间隙耦合增强局域表面等离激元共振(LSPR)扫描显微技术,其核心是利用修饰在探针上的贵金属纳米粒子与贵金属纳米膜耦合体系LSPR性质的距离敏感性,发展一种精确定位的方法;同时利用耦合体系LSPR性质的环境敏感性,为纳米尺度范围的表界面,如电化学体系中的双电层界面的研究提供一种全新的研究平台。 本文主要对纳米间隙耦合增强LSPR显微镜探针的制备做了初步的探索:合成高介电敏感性的纳米粒子;选择合适的光纤将其拉锥,并进行遮光处理;在光纤末端修饰高介电敏感性的纳米粒子制备成光纤探针 ...
何茜
core  

The Dependence of Properties on Structural Features in Macro/Micro Levels for PBF‐LB Fabricated Porous NiTi Alloy

open access: yesRare Metals, Volume 45, Issue 2, February 2026.
ABSTRACT Porous NiTi alloys are widely used in biomedical and engineering fields. Using the PBF‐LB technique, the TPMS and Voronoi porous parts with a porosity of ∼67% and a minimum feature size of 0.15 ± 0.02 mm were fabricated. Although the bulk sample fabricated with the same parameters is defect‐free, μ‐CT reconstruction on the porous sample ...
Wen‐Hao Zeng   +7 more
wiley   +1 more source

Comparasion study on the effects of mangrove wetland sediments on the sequestration of typical sulfonamides from the estuarine water [PDF]

open access: yes, 2015
作为陆地污染物进入海洋的屏障,红树林已然成为众多典型污染物汇聚的场所之一。近年来,海产养殖业的大肆兴起更是加重了抗生素在红树林区的直接污染。锁定态是控制土壤抗生素归宿的主要因素,具有环境存在时间长,危害大等特点,可通过再释放重回到环境中,对环境造成长期危害。对典型磺胺类在红树林群落沉积物中锁定能力的研究对于探索抗生素在红树林区的环境行为和红树林湿地抗生素污染控制及修复功能评估具有现实意义。本文选取了12种水产、禽畜及人用较为频繁的典型磺胺类药物,分别为磺胺甲噻二唑(sulfamethizole,SMT)、
张宇
core  

Multifunctionality of Magnetic La(Fe, Si/Al)13‐Based Materials: Negative Thermal Expansion and Magnetocaloric Effect

open access: yesRare Metals, Volume 45, Issue 2, February 2026.
ABSTRACT In recent years, the field of magnetic materials has witnessed a paradigm shift from single‐function applications to multifunctional integration, driven by the growing demand for smart materials in advanced technologies. Among various magnetic systems, La(Fe, Si/Al)13‐series materials have emerged as particularly promising candidates due to ...
Irfan Liaquat   +2 more
wiley   +1 more source

配电网保护间隙保护距离的研究

open access: yesDianci bileiqi, 2012
配电网保护间隙在提高线路跳闸重合率和防止架空绝缘导线雷击断线上,取得了较为显著的效果。但在实验中发现相对于避雷器动作时间,保护间隙动作时间和绝缘子动作时间相差不多。从保护间隙和避雷器动作时间不同出发,在分析保护间隙保护距离时考虑了保护间隙闪络时间对保护间隙保护距离的影响。先通过实验确定绝缘子和保护间隙的伏秒特性曲线,然后利用相交法计算出不同等级雷电过电压下保护间隙和绝缘子动作时间,最后根据保护间隙和绝缘子的动作时间差和雷电波在线路上传播的速度计算出不同等级雷电过电压下保护间隙的保护距离 ...
张东   +4 more
doaj  

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