Results 71 to 80 of about 19,562 (208)
Rare 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
水电科技随着科技和社会的飞速发展，现代水利水电工程的规模和复杂性日益增加，对工程管理提出了更高的要求。水利水电工程作为基础设施建设的重要组成部分，直接关系到国家经济发展和社会生活水平的提升。基于此，如何适应新时代的工程管理需求，提高工程的经济效益和可持续性，成为当前亟待解决的重要问题。
肖 张
semanticscholar +1 more source
Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT The development of highly efficient and stable nonprecious metal electrocatalysts for the acidic oxygen evolution reaction (OER) is crucial to advance proton exchange membrane (PEM) water electrolysis. In this work, a dual synergistic strategy was proposed by constructing a Ce‐modified MnO2/MnO heterostructure.
Chuanbin Li +7 more
wiley +1 more source
In Vitro Antioxidant Activity of Salidroside and Its Effect on the Oxidative Properties of Minced Pork [PDF]
To investigate the effects of salidroside on the quality and various oxidation indices of minced pork during storage, the in vitro antioxidant activity of salidroside was evaluated by using ABTS+ radical scavenging rate, and ferric iron ion reducing ...
Chunbao LI +3 more
core +1 more source
Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT The past decade has witnessed a burgeoning demand of metals for global industrial development and infrastructure. Meanwhile, the depletion of mineral resources and the environmental damage caused by wastewater discharges pose significant threats to both economic and ecological sustainability. Fortunately, metal‐containing wastewaters also hold
Fei Zhang +6 more
wiley +1 more source
Shuitu Baochi Xuebao, 2004 进入新世纪,我国土壤侵蚀与水土保持科学研究迎来了新的发展机遇和挑战。在分析我国土壤侵蚀与水土保持学科研究的社会需求、科学需求及其特殊性的基础上,指出了我国土壤侵蚀与水土保持科学研究中存在的主要问题,提出了该领域亟待解决的前沿科学问题,如土壤侵蚀过程与机理,土壤侵蚀预报模型,水土保持措施防蚀机理及其适用性,流域生态过程和水土保持措施配置,大尺度土壤侵蚀与水土保持的格局及其变化规律,土壤侵蚀与水土保持环境效应评价,土壤侵蚀研究新技术与方法等。
冷疏影 冯仁国 李锐 刘宝元 郑粉莉 刘国彬 王占礼 杨勤科 傅伯杰 宋长青
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Shuitu Baochi Xuebao, 2020 以洪涝诱发灾害干扰受损区的次生阔叶林、杉木林和毛竹林为研究对象，研究了3种林型自然恢复过程中土壤容重、孔隙度和田间持水量等11项土壤物理性质指标的变化规律及主要影响因素。结果表明：（1）次生阔叶林和杉木林在未受损—刚受损—受损恢复过程中土壤容重先增大后减小，毛竹林逐渐减小；次生阔叶林和杉木林总孔隙度、含水率、饱和持水量、毛管持水量和田间持水量先减小后增大，毛竹林逐渐减小；3种林型土壤质地先变粗后变细。（2）通过相关性分析和主成分分析，发现含水率 ...
李松阳 +7 more
doaj
Effect of Laminaria japonica Powder on Physicochemical Properties, Rheological Properties and Protein Structure of Silver Carp Surimi Gel [PDF]
In order to improve the gel properties of surimi, the surimi gel was prepared by adding Laminaria japonica powder (LJP) with a mass fraction of 2%~10% in silver carp surimi. The effect of amount of LJP on the gel strength, texture, water holding capacity,
Fengchao ZHOU +11 more
core +1 more source
Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT In conventional piezoceramics, the coordinated change between the dielectric constant (εr) and the piezoelectric charge constant (d33) usually limits the piezoelectric voltage constant g33 (g33 = d33/εr), a critical figure of merit for piezoelectric sensors.
Xiaoying Feng +7 more
wiley +1 more source
Theoretical Studies of Structures and Properties of Coals [PDF]
, 2013 煤炭是我国的主体能源，但煤炭资源总量的40%为低品质煤，针对这部分资源开展计算模拟研究，对煤化学的发展和煤资源提质与优化利用具有积极意义。煤是由多个结构相似的基本结构单元通过桥键连接而成的大分子网状结构的混合物，其分子结构和相关的物理化学性质还不是很清楚。量子化学计算作为原子分子水平上研究复杂体系的理论工具，在煤结构与性质的研究中逐渐获得应用。本文通过密度泛函计算，对几类代表性煤分子的结构、光谱性质、裂解性质和持水性质进行了计算研究，获得的主要结果如下: (1)通过理论计算 ...
郭娟娟
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