Results 11 to 20 of about 21,035 (138)
Integrative Conservation, EarlyView.This research reveals the functional stability of mixed species foraging flocks (MSF) and their foraging height change with different taxonomic differences along the elevational gradient at Knuckles Montane Reserve, Sri Lanka. This offers new insights into how MSFs sustain with the elevational gradients supporting the altitudinal shifting species ...
Vimukthi. R. Gunasekeara +3 more
wiley +1 more source
Rare Metals, EarlyView.ABSTRACT Internal oxidation has been identified as an effective method for enhancing the strength of AgMg alloys. However, the concurrent occurrence of embrittlement remains inadequately understood, thus limiting their broader application. This study investigates the oxidation behavior of AgMg alloys with Mg concentrations ranging from 1 at% to 7 at ...
Hai‐Cheng Zhu +12 more
wiley +1 more source
Rare Metals, EarlyView.ABSTRACT The polyanionic compound Na3V2(PO4)3 (NVP) has emerged as a competitive cathode material for sodium‐ion batteries (SIBs), owing to its high‐voltage redox activity (3.4 V vs. the Na+/Na reference couple) and NASICON‐type framework that enables superior ionic conductivity.
Xiaolei Wu +5 more
wiley +1 more source
Rare Metals, EarlyView.ABSTRACT Low conductivity, slow ion‐diffusion, and limited reactive sites are common problems in electrocatalysts and electrode materials. In this study, a complex NiTe–CoTe heterojunction with abundant Te vacancies embedded in N, P, and F co‐doped hollow carbon nanorods (NiTe1−x–CoTe1−x/NPFC) was fabricated via a simple ionic liquid‐assisted ...
Mingjie Yi +7 more
wiley +1 more source
Study on Seismic Performance of Buckling-Restrained Brace and its Application on Reinforcement of School Building [PDF]
, 2013 防屈曲支撑作为一种新型消能构件，克服了传统支撑受压屈曲、无法充分发挥材料受压阶段的塑性滞回耗能功用的缺点，具有工作原理简单、明确、消能效果好等特点，是一种十分具有应用前景的结构消能构件。本文在国内外相关研究理论和方法的基础上，综合大量文献资料和工程实践经验，对防屈曲支撑做了以下几个方面的研究： 首先，对既有的防屈曲支撑研究进展资料进行构件、组件、结构体系三个层面的归纳与整理，为防屈曲支撑技术的下一步研究奠定理论基础。 其次，对影响防屈曲支撑构件性能的参数进行理论分析与公式推导 ...
姚林利
core
Rare Metals, EarlyView.ABSTRACT Harnessing solar energy for self‐heating presents an effective strategy to suppress surface ice formation. In this paper, we fabricated nano‐silver‐modified multilayer graphene sheets (Ag@MGs) that integrate photothermal and superhydrophobic properties for anti‐icing applications.
Yihan Zhang +7 more
wiley +1 more source
Dizhen xuebao, 2022 地震动合成方法的应用前景与其所能表达的有效频带范围紧密相关。本文研究基于频率波数域格林函数的地震动合成方法（FK法），分析频带范围的关键影响要素及处理措施。在介绍计算原理的基础上，概括FK法合成地震动的主要影响要素，分析地壳速度模型对子源地震矩、破裂时间和传播时间的影响。随后，分析格林函数传播宽频带地震波的能力，提出格林函数计算中的频带影响参数的建议值。为分析FK法的震源模型辐射宽频带地震波的能力，重点考察控制子源错动过程的震源时间函数和上升时间。研究认为，FK法具有合成宽频带地震动的能力 ...
Zelin Cao +3 more
doaj +1 more source
Non- linear analysis on the performance of buckling restrained brace concrete school building [PDF]
, 2013 本文以一个中小学校舍抗震加固设计的实际工程为例,研究的目的是分析防屈曲支撑的滞回曲线,采用非线性时程分析的方法,简单介绍防屈曲约束支撑在MIdAS软件中非线性时程分析的应用过程,得到防屈曲支撑的滞回曲线与试验的滞回曲线相吻合。Taking an actual school building's seismic design as an example,The purpose of the study is the analysis of buckling- restrained brace ...
姚林利, 张树传, 李强
core
Rare Metals, EarlyView.ABSTRACT The development of efficient and stable bifunctional catalysts remains a key challenge for green hydrogen production via electrochemical water splitting. In this study, a bimetallic Mo/Fe‐doped CoP2 nanoleaf array anchored on carbon cloth (Mo, Fe‐CoP2@CC) was synthesized from zeolitic imidazolate framework‐L (ZIF‐L) via an ion‐exchange and low‐
Xiangqun Zeng +6 more
wiley +1 more source
Jianzhu Gangjiegou Jinzhan, 2002 本文首先介绍了现行国家规范、规程及法规对超高层建筑必须进行弹塑性时程分析的规定,并介绍了目前弹性时程分析及弹塑性时程分析在超高层钢结构建筑抗震设计中应用的现状和不足之处。随后介绍了一种在国外工程界应用较多的弹塑性静力分析方法(Push-over Analysis),详细阐述了该方法的基本原理、计算模型、杆件单元刚度取值、计算程序、计算结果及分析。进而结合实际工程(某超高层钢-混凝土混合结构建筑),采用平面非线性地震反应分析程序(DRAIN-2DX)进行实例分析、
李达明
doaj