Results 141 to 150 of about 622,498 (214)

High‐Entropy Alloys for Photocatalysis: From Cocatalyst Engineering to Multifunctional Active Platforms

open access: yesRare Metals, Volume 45, Issue 9, September 2026.
ABSTRACT Photocatalysis has emerged as a promising approach for solar energy conversion and environmental remediation. However, its practical implementation is still hindered by limited charge‐separation efficiency, slow surface reaction kinetics, and insufficient catalyst stability.
Mengting Zhang   +5 more
wiley   +1 more source

列管式相变蓄热器性能强化的模拟

open access: yes, 2015
基于列管式换热器具有传热面积大、结构紧凑、操作弹性大等优点,使其在相变储能领域具有广阔的应用前景。本文建立一种新型列管式相变蓄热器模型,在不考虑自然对流的情况下,利用Fluent软件对相变蓄热器进行二维储热过程的数值模拟。本文主要研究斯蒂芬数、雷诺数、列管排列方式、肋片数以及相变材料的导热系数对熔化过程的影响,并对熔化过程中固液分界面的移动规律进行了分析。模拟结果表明,内肋片强化换热效果明显,特别是对应用低导热系数相变材料[导热系数小于1 W/(m·K)]的列管式蓄热器 ...
韩广顺   +5 more
core  

Enhanced Oxygen Reduction Reaction Performance of Fe‐N4 Single‐Atom Catalysts Through Fe3C Coupling

open access: yesRare Metals, Volume 45, Issue 9, September 2026.
ABSTRACT Understanding the electronic factors contributing to the high oxygen reduction reaction (ORR) activity of Fe‐N4 sites remains a significant challenge due to the localized Fe 3d orbitals and their sensitivity to the coordination environment.
Shichang Cai   +19 more
wiley   +1 more source

[Clinical characteristics and influencing factors of routine pulmonary ventilation function in children with allergic rhinitis induced by house dust mites]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
Zhuang SJ   +12 more
europepmc   +1 more source

Accessing Ultra‐Nano Phase‐Separated Metallic Glasses via Cryogenic Cycling

open access: yesRare Metals, Volume 45, Issue 9, September 2026.
ABSTRACT Phase separation offers a promising avenue to mitigate the inherent brittleness of metallic glasses. However, traditional approaches relying on mixing enthalpy face significant challenges, primarily due to the detrimental impact on glass‐forming ability.
Huaping Ding   +15 more
wiley   +1 more source

[Research on blood viscoelasticity detection based on electrowetting technology]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Wang C, Huo W, Yang L, Huang X, Yang W.
europepmc   +1 more source

Modulating Hierarchical Microstructure to Enhance Strength–Ductility Synergy in an Additively Manufactured Zinc‐Magnesium Alloy via Static Magnetic Field

open access: yesRare Metals, Volume 45, Issue 9, September 2026.
ABSTRACT Additive manufacturing of zinc‐magnesium (Zn‐Mg) alloys via laser powder bed fusion (LPBF) has gained significant recognition as a promising candidate for bone repair. However, the presence of coarse yet brittle eutectic phases in the fabricated Zn‐Mg alloys tends to induce premature stress concentration and resultant fracture during ...
Zhi Dong   +10 more
wiley   +1 more source

[Clinical analysis of nusinersen for spinal muscular atrophy types 2 and 3 in children]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
Duan HL   +6 more
europepmc   +1 more source

一种高温储能相变材料及其制备和应用

open access: yes, 2011
本发明涉及一种高温储能相变材料及其制备和应用,采用A1-Mg-Sn三元合金体系通过高能球磨及粉末冶金的方法制备。Al-Mg-Sn三元合金中,Mg的质量百分含量为25%-35%,Sn的质量百分含量为5%-10%。本发明特点在于相变潜热高,相变稳定性及可逆循环性好。本发明可为解决工业余热回收、热电厂特别是太阳能发电厂热能储存与运输萧峰填谷、能源的高效利用提供可能 ...
徐芬   +4 more
core  

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