Results 61 to 70 of about 24,432 (139)
Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT The evolution of the γ′−Ni3(Al, Ti) phase in superalloys is governed by a coupled coalescence‐ripening mechanism driven by elemental diffusion. In this study, thermal exposure experiments were performed at 750°C and 800°C for durations ranging from 100 to 20,000 h.
Zhaotian Wang +5 more
wiley +1 more source
Gaoya dianqi, 2008 笔者应用气相色谱分析技术中的成分超标法I、EC三比值法以及平衡判据法成功地判断出一台主变压器B相内部所存在的突发性电弧放电故障。变压器停运后吊罩检查结果与气相色谱分析诊断结论相吻合,验证了气相色谱分析技术诸方法的正确性及有效性,为大型变压器的运行和异常判断提供了经验。
兰淑丽, 宋昆, 刘芳
doaj
Haiyang yu huzhaoβ多样性是连接α多样性和γ多样性的重要枢纽，其格局及构建机制一直是生态学研究的热点，尤其是在海洋生态系统中对其的研究相对较少。从物种组成β多样性的角度出发，应用Mantel检验分析了瓯江口β多样性及其组分与地理距离的关系。通过基于矩阵的多元回归分析(multiple regression on distance matrices, MRM)、物种组成与环境因子之间的Mantel检验以及Shannon多样性指数与环境因子间的Spearman分析，综合探讨了构建瓯江口β多样性的主要环境因子。研究结果显示 ...
杨 玉澍 +5 more
doaj +1 more source
Interface Issues of Inorganic Solid‐State Electrolytes in Secondary Magnesium Batteries
Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT Solid‐state magnesium batteries (SSMBs) have gained significant attention as promising candidates for next‐generation safe energy storage systems because of the abundance of magnesium (Mg) in the earth's crust, superior energy density, and inherent nonflammability.
Jiren Wang +9 more
wiley +1 more source
Shuitu Baochi Xuebao, 2000 根据我国北方地区历年油松飞播调查资料和对典型播区的调查，阐明了油松飞播的地理分布和效果；同时运用统计分析和模糊数学分析等方法，对影响油松飞播成效的主要因子作了系统的宏观分析，得出年均降水量和年均气温是影响飞播效果的主要因子。在此基础上，对北方地区油松飞播造林进行了适宜性分区，分区结果将油松飞播划分为３个区，即造林适宜区，造林次适宜区和造在适宜区，对指导今后油松飞播生产具有重要意义。
吴钦孝 韩洛川
doaj +2 more sources
Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT Efficient and durable bifunctional electrocatalysts are vital for scalable water electrolysis. Here, we realize cobalt‐vacancy (Covac) engineering in CoFeP supported on N,P‐codoped carbon nanocages (Co1‐vacFeP/NPC) through a simple route comprising a CoFe Prussian blue analog precursor, phosphidation–pyrolysis, tannic‐acid etching, and a ...
Yuan‐Liang Yuan +6 more
wiley +1 more source
Zhejiang Daxue xuebao. Lixue ban, 2016 塔里木巴楚县瓦吉里塔格地区出露有与塔里木早二叠世大火成岩省的形成密切相关的大型钒钛磁铁矿床.基于多元统计分析对该矿区露头和大量钻孔岩心样品中Fe-Ti-V元素和部分主量元素数据开展了元素地球化学相关性研究.采用SPSS软件对大量数据进行相关分析和回归分析，计算各元素间的相关系数，Fe、Ti、V 3种元素的相关性分析结果表明：矿床中Fe、Ti和V之间均呈正相关，成矿元素与造岩元素之间存在负相关关系；建立伴生钒元素与铁和钛元素之间关系的回归方程V=-4. 984 + 0. 360 Fe+0.
ZHAOYali(赵亚莉) +8 more
doaj +1 more source
The Microstructure Evolution and Mechanical Properties of (FeCoCrNi)100‐x(AlCu)x High‐Entropy Alloys
Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT This study systematically investigates the effects of AlCu addition on the microstructural evolution and mechanical properties of (FeCoCrNi)100‐x(AlCu)x (x = 0, 5, 10, 15, 20; at%) high‐entropy alloys (HEAs). The results reveal that the microstructure evolves from coarse equiaxed to refined equiaxed, dendritic, and ultimately dual‐phase ...
Shunfu Xie +7 more
wiley +1 more source