Results 111 to 120 of about 25,441 (211)
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
Zhongguo shiyan zhenduanxue医学研究生培养是医学教育的关键环节，培养具有科研素养、创新能力和实践能力的专业医学人才是研究生教育的发展方向[1]。优秀的综合能力可以使医学研究生在未来的工作中具备更强的竞争力与执业能力，这也对研究生的培养模式提出了更高要求。皮肤性病学研究生阶段相较本科阶段而言，不但需要学生掌握扎实的理论基础，更需要培养学生的临床思维与决策能力。
徐阳春 +4 more
doaj
节点域箱形加强式工字形柱弱轴连接梁端加强与削弱并用节点滞回性能有限元分析
Jianzhu Gangjiegou Jinzhan, 2016 提出了一种新型的节点域箱形加强式工字形柱弱轴连接的梁端加强与削弱并用的节点形式,对应用该新型节点形式的工字形柱钢框架和箱形柱采用梁端加强与削弱并用节点的钢框架的整体力学性能、经济性进行对比分析,以及在循环荷载作用下两种节点的力学性能、转动能力、延性等进行对比分析。分析结果表明,对于8度抗震区的6层钢框架,采用节点域箱形加强式工字形柱弱轴连接的钢框架在整体力学性能和经济性方面完全优于箱形柱钢框架;在循环荷载作用下,节点域箱形加强式工字形柱弱轴连接的滞回性能、承载力等均与箱形柱连接相当,塑性转角均大于0 ...
徐莹璐, 卢林枫, 马蓬渤
doaj
The study of chemical vapor deposition graphene growth mechanism based on isotope labelling technique [PDF]
, 2016 石墨烯是一种只由单个碳原子层构成的理想二维材料，自2004年首次被Novoselov等人采用胶带法从高定向热解石墨表面剥离出来后，其高电子迁移率，高热导，高硬度，高透光率等一系列独特优异的物理化学性质就不断被揭示，近十几年来一直保持着其研究热点的领先地位，同时还带动了其他二维层状材料的研究热潮。 目前石墨烯主要的制备方法分为以下四类：机械剥离法、氧化还原法、碳化硅外延法和化学气相沉积法；其中化学气相沉积法在生长高质量大面积石墨烯方面表现出很大的优势，尤其是在铜衬底上已获得30英寸的大尺寸单层石墨烯 ...
黎琼钰
core
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
Huli yanjiu, 2015 [目的]探讨尿动力学联合排尿造影对神经源性膀胱病人膀胱功能再训练的应用价值。[方法]选择2013年1月—2013年6月在我科住院的脊髓损伤病人23例,行尿动力学联合排尿造影检查确定病人神经源性膀胱类别及膀胱出口梗阻情况,给予个体化膀胱功能再训练方法。[结果]23例病人恢复了不同程度的自主排尿功能,自我管理膀胱能力提高。[结论]尿动力学联合排尿造影对神经源性膀胱功能再训练有良好的辅助治疗价值,比单用一种检查方法更具有临床意义。
时丽萍, 吕英瑛, 钱进, 孟玲
doaj
Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT The development of sodium‐ion batteries (SIBs) is limited by slow charge transfer kinetics and large material volume changes caused by the large radius of Na+. Leveraging the excellent physicochemical properties and unique heterostructures of metal selenides, ultrafine hetero‐CuFeSe2‐CoSe2 nanoparticles are in situ wrapped by ...
Ying Zhu +5 more
wiley +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
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
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