Results 1 to 10 of about 571,238 (180)
Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT To address the demand for high‐temperature stability, broadband strong absorption, and multifunctional integration of electromagnetic wave absorbing materials in complex service environments, lightweight molybdenum disulfide (MoS2) decorated silicon carbide (SiC) nanofiber composite aerogels with a directional layered interconnected structure ...
Zhi Song +4 more
wiley +1 more source
Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT The development of lightweight, high‐attenuation, and broadband carbon‐based electromagnetic wave absorbers is hindered by the intrinsic trade‐off between impedance matching and dielectric dissipation. Herein, we report a facile and scalable synthesis of N‐doped lignin‐derived interconnected porous carbon (Nx‐LIPC) via hydrogen‐bond self ...
Bin‐Peng Zhang +7 more
wiley +1 more source
Zhongguo shiyan zhenduanxue, 2014 目的探讨二维超声和三维超声检查在产前胎儿畸形筛查中的应用价值,评价其在产前诊断中的应用效果。方法选择56例接受二维和三维超声产前检查并经引产或随访证实有胎儿畸形的孕妇作为研究对象,观察记录56例孕妇共58个畸形胎儿的畸形情况,比较观察二维超声和三维超声检查结果。结果 56例孕妇共检出58个胎儿,最终随访结果发现75处胎儿畸形,其中腹部畸形最多,共27处,占36.0%。三维超声在评价颅面部、脊柱四肢以及体表处的畸形效果优于二维超声,但差异无统计学意义（P>0.05）;三维超声总的畸形检出率为92.0 ...
韩锁凤
doaj
Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT Aqueous zinc‐ion batteries (AZIBs) have attracted increasing attention in energy storage owing to their high energy density, low redox potential, and cost‐effectiveness. Nevertheless, uncontrolled dendrite accumulation, gas generation, and severe side‐reaction problems hinder the cycling lifespan, which prevents their commercial applications ...
Xiangzhong Kong +8 more
wiley +1 more source
四川大学学报. 自然科学版, 2013 基于二维图像的砂岩三维重建中,二维图像的空间结构分析是一个至关重要的环节.要成为三维随机模拟的训练图像,二维图像的空间结构统计特征必须满足平稳性和遍历性要求.本文通过多尺度纹理特征分析方法进行训练图像的平稳性分析,利用表征区域分析训练图像的遍历性.实验结果证明,满足平稳性和遍历性的训练图像能得到较好的三维重建结果,并提高了三维重建的效率.
杨丹, 滕奇志, 徐智
doaj
Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT The development of structurally stable anodes with high capacities and long cycle lives is essential for the development of potassium–ion batteries. Conversion‐type anodes have attracted considerable attention in potassium–ion batteries (PIBs) due to their high theoretical capacities.
Jeong Ho Na +7 more
wiley +1 more source
Guangtongxin yanjiu, 2006 三维集成光分束器在保持二维集成光学器件的可靠性和结构稳定性的基础上,有效扩大了单个芯片上的通信信道数,增加了集成密度,缓和了二维平面结构输入输出困难等问题。文章对三维集成光分束器的研究进展进行了概述,详细介绍了已有的三维集成光分束器的结构及制作方法,并对其性能进行了比较。最后,展望了三维集成光分束器的应用前景。
孙一翎 +3 more
doaj
Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT Low‐temperature lithium‐metal batteries (LT‐LMBs) are increasingly pursued for higher energy density and extended cycle life, yet suffer from severely depressed interfacial Li+ desolvation/diffusion kinetics due to the enlarged solvation structures as well as organic electrolyte solidification, ultimately inducing much higher barriers to ...
Shikai Yin +14 more
wiley +1 more source
The Essence of Crisis Decision‐Making: Saving Ravenna During the 2023 Floods
Risk, Hazards &Crisis in Public Policy, Volume 17, Issue 2, June 2026.ABSTRACT This article explores decision‐making processes in crisis situations by proposing an interpretive framework grounded in multiple criteria of rationality. Crises, characterized by uncertainty, urgency, and ethical dilemmas, require critical choices that go beyond standard procedures.
Alexandra D'Angelo, Federico Toth
wiley +1 more source
Conservation Biology, Volume 40, Issue 3, June 2026.Abstract Human development is a driver of global change and a major threat to biodiversity. Protected areas maintain and support biodiversity, but outside stressors, such as climate change and land use change, can negatively influence natural resources within protected areas.
Leah J. Rudge +2 more
wiley +1 more source