Results 11 to 20 of about 4,725 (108)
Mixed‐Scale Powder Enables 3D Printing of Tungsten Alloy
Rare Metals, Volume 45, Issue 11, November 2026.ABSTRACT Laser powder bed fusion (LPBF) offers a promising route for manufacturing tungsten alloy components with complex geometries, whereas W–Ni–Fe alloys remain the most widely used tungsten alloys because of their excellent overall performance.
Jingjia Sun +3 more
wiley +1 more source
Rare Metals, Volume 45, Issue 11, November 2026.ABSTRACT Developing low‐cost and reactive iron sources is important for the sustainable production of LiFePO4 (LFP) cathodes, yet the direct use of hematite concentrate (HC) is limited by impurity accumulation and insufficient reactivity. Herein, a source‐level impurity‐regulation strategy integrating liquid‐assisted mechanical activation, Na2CO3 ...
Yuanpeng Cao +12 more
wiley +1 more source
Gongye shui chuli, 2019 采用高铁酸钾降解饮用水中的二氯乙腈（DCAN），考察了反应时间、高铁酸钾投加量、温度和pH对DCAN降解速率的影响。结果表明，当高铁酸钾投加量恒定时，DCAN去除率随时间延长而增加，反应30 min后DCAN去除率基本保持不变。DCAN初始质量浓度不变时加入高铁酸钾，DCAN去除率随高铁酸钾用量的增加而增大。pH对高铁酸钾去除DCAN效果的影响较大，pH为6.5时效果最好。升高温度能一定程度上促进高铁酸钾与DCAN的氧化还原反应。高铁酸钾去除DCAN符合一级反应动力学规律。
丁春生, 周丽君, 肖毛虎, 姜明
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Rare Metals, Volume 45, Issue 11, November 2026.ABSTRACT Bismuth vanadate (BiVO4) has emerged as a promising photoanode for photoelectrochemical (PEC) water splitting, but its efficiency is severely limited by rapid charge recombination and sluggish water oxidation kinetics. Herein, we demonstrated that depositing an amorphous nickel‐iron phosphate (NiFePOx) layer on BiVO4 could promote the surface ...
Li Xu +10 more
wiley +1 more source
Rare Metals, Volume 45, Issue 10, October 2026.ABSTRACT Improving the efficiency and stability of oxygen evolution electrocatalysts remains essential for advancing water splitting technologies. Although in situ surface reconstruction into active phases is desirable, it often leads to uncontrolled structural degradation.
Beirong Ye +11 more
wiley +1 more source
Rare Metals, Volume 45, Issue 10, October 2026.ABSTRACT With the depletion of energy resources and the vigorous development of renewable energy technologies, the demand for efficient energy storage technologies has become increasingly urgent. Dielectric ceramics feature ultrafast charge–discharge speed, but low energy density and inferior efficiency hinder device miniaturization.
Junxuan Liu +14 more
wiley +1 more source
Gongye shui chuli, 2022 解决水污染问题时，绿色水处理剂高铁酸盐受到广泛关注。为全面、系统地归纳高铁酸盐在水处理领域的应用现状及最新研究进展，采用知识图谱分析工具VOSviewer对中国知网（CNKI）数据库和Web of Science（WOS）数据库的1 377篇文献进行了可视化分析。结果显示，国内外关于高铁酸盐的研究热点相似，现阶段的研究主要集中在有机物去除、消毒副产物及高铁酸盐的协同技术方面，高铁酸盐单独作为氧化剂、混凝剂和消毒剂对部分有机/无机污染物的去除效果不佳。近年来，基于高铁酸盐联用技术的研究受到重视 ...
郑林昊, 蒋晖, 阙思思, 胡运兵
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智能科学与技术学报, 2019 模糊系统作为一种万能逼近器具有很强的可解释性，已被广泛应用在各个领域。尽管目前模糊系统的理论研究不够成熟，仍然存在诸如规则太多、优化困难、维度诅咒等问题，难以处理高维大数据。尽管深度神经网络取得了突出进展，能很好处理图像和语音等大数据，但其可解释性不好，难以用于安全相关的重要场合。因此，非常有必要研究一种基于模糊系统的可解释性强的人工智能算法。结合深度神经网络和模糊系统两者的优点，研究深度模糊系统及其算法，将有可能解决高维大数据问题。主要对模糊系统的发展历程与研究进展分别进行详细阐述 ...
陈德旺, 蔡际杰, 黄允浒
doaj
Rare Metals, Volume 45, Issue 10, October 2026.ABSTRACT Sodium‐ion batteries (SIBs) offer a promising, cost‐effective alternative for large‐scale energy storage due to the abundance of sodium. However, their practical deployment is challenged by sluggish interfacial kinetics and unstable interphase formation, which severely limit performance across wide temperature ranges. Here, we demonstrate that
Mingxing Zhang +10 more
wiley +1 more source
Gongye shui chuli, 2007 为研究高铁酸钾与紫外-可见光/二氧化钛(UV-vis/TiO2)光催化的协同氧化效应，以氨氮为目标物，研究了高铁酸钾、UV-vis/TiO2光催化以及高铁酸钾与UV-vis/TiO2光催化联用对水中氨氮的去除效果。结果表明，在高铁酸钾与UV-vis/TiO2光催化联用的条件下，在pH=8.0，温度为室温，反应时间为30min，氨氮质量浓度50mg/L，高铁酸钾、TiO2投加质量浓度分别为20、200mg/L时，水中氨氮的去除率为97.5%，比单独的高铁酸钾或UV-vis/TiO2最大去除率分别提高了22.
郗丽娟 +6 more
doaj +2 more sources