Results 11 to 20 of about 10,333 (201)
Conservation Biology, EarlyView.Abstract Constructed value of information (CVoI) is an expert elicitation decision‐analytic tool used to prioritize sources of uncertainty based on their potential to improve decision outcomes if resolved. Despite increased application of CVoI, the robustness of CVoI prioritization of sources of uncertainty relative to differences in expert elicitation
Kristin P. Davis +7 more
wiley +1 more source
Rare Metals, Volume 45, Issue 5, May 2026.ABSTRACT Integrating light emission and electromagnetic wave (EMW) absorption into a single material opens up possibilities for multienvironmental applications. Herein, we propose a novel “molecular engineering‐pyrolysis conversion” strategy to construct a bifunctional system with tunable photoluminescence and efficient EMW absorption performance.
Renjie Wang +7 more
wiley +1 more source
Rare Metals, Volume 45, Issue 5, May 2026.ABSTRACT Sodium metal batteries hold significant promise for large‐scale energy storage due to the high theoretical capacity and abundant sodium sources, yet sodium‐metal anodes are hindered by dendrite propagation, unstable solid electrolyte interphase, and poor cycling efficiency arising from uneven Na deposition and volume changes.
Nan Xing +7 more
wiley +1 more source
Experimental Study on Multi-Jets Electrospinning via Screw Electrode [PDF]
, 2016 电纺纳米纤维在过滤材料、传感器、生物医疗、能量存储等领域都有着极其广阔的应用前景，而批量制备纳米纤维是其从实验室走向市场的关键。本文中提出一种基于螺杆电极的多射流静电纺丝装置，研究了多射流喷射调控规律，开发了带自清洁功能的储液滑块以实现纺丝溶液的持续、均匀供给，实现了纳米纤维的批量化稳定喷射。 通过ANSYS仿真分析了螺杆电极表面电场分布，完成带螺杆电极多射流静电纺丝平台机械结构与电气控制系统的设计开发；利用螺杆带动储液滑块往复运动，实现纺丝溶液的均匀涂布与持续供液 ...
陈新敏
core
Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT Eutectic high‐entropy alloys (EHEAs) have attracted significant attention due to their balanced mechanical properties and promising applications. Nonetheless, the correlation between the solidification mechanism of eutectic microstructures and their mechanical properties remains elusive.
Yi Qin +15 more
wiley +1 more source
Artificial local magnetic field inhomogeneity enhances T2 relaxivity [PDF]
, 2017 磁性探针作为分子影像技术中的磁共振成像（MRI）造影剂在医学诊断中发挥着重要作用。为满足实际诊断中的准确性和精确性要求，科研工作者们长期致力于发展高性能的MRI造影剂以降低高剂量的使用带来的潜在风险。该文章指出了探针聚集体中局域磁场不均匀性是影响T2弛豫效能的关键因素。该文章首次利用磁场不均匀性因素阐明了单个探针和它们聚集体的MRI造影剂之间的相互关系，将可能成为弥补探针聚集体的造影剂理论的空白，并为发展新型高效的MRI造影剂提供重要参考。 该论文共同第一作者为博士后周子健和博士生田蕊 ...
Zijian Zhou +16 more
core +5 more sources
Investigating the Origin of Topological‐Hall‐Like Resistivity in Zn‐Doped Mn2Sb Ferrimagnet
Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT Skyrmions and other chiral spin textures have been extensively studied as potential building blocks for novel spintronic devices. Hall‐resistivity anomalies that deviate from magnetization scaling, known as the topological Hall effect, have been widely employed as evidence for the presence of chiral spin textures in magnetic materials. However,
BoCheng Yu +9 more
wiley +1 more source
Gaoya dianqi, 2020 灌注式支柱绝缘子内部填充材料聚氨酯孔泡不均匀可能会引起局部放电现象,国内外尚未对此做过详细研究。文中针对此类问题进行深入探究,首先深入观察了聚氨酯材料的孔泡结构,从孔泡不均匀性的角度研究了聚氨酯的材料特性;其次根据孔泡分布规律,给出了评估灌注式支柱绝缘子内部聚氨酯材料孔泡不均匀性的方法;最后,结合局部放电试验研究了孔泡不均匀性及孔径大小对其电气特性的影响。研究提出了一种基于压汞法的孔泡不均匀性评估方法,分析得出灌注式支柱绝缘子内部聚氨酯孔泡分布与偏心距有关,过量的反应物会使这种孔泡分布趋势增大 ...
管兮远 +5 more
doaj
Fast chemical exchange saturation transfer MRI [PDF]
, 2015 化学交换饱和转移（CEST）为核磁共振（NMR）提供了一种新的对比度增强机制。核Overhauser增强（NOE）效应在高场下的化学交换饱和转移中会在Z谱的高场位置产生一个“负”背景信号，有望成为一种新的磁共振成像（MRI）对比度机制。常规多扫描序列的长时间采样限制了CEST在活体上的应用。快速成像方法如平面回波成像（EPI）可缓解多图像采集的时耗问题，但EPI存在对磁化率不均匀及化学位移效应较敏感等问题。时空编码（SPEN）方法对磁场不均匀性具有较好的免疫力，并保持了EPI的时间分辨率 ...
张苗
core
Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT By adding CuO, the worm‐like amorphous phase and atomic clusters were simultaneously introduced, enabling the (Ni40Ti40Cu20)99.9O0.1 alloy micron columns to exhibit a uniform flow strain of over 40% and a strength of over 2.5 GPa during compression.
Huwen Ma +13 more
wiley +1 more source