Results 31 to 40 of about 9,870 (187)

N,W‐Cooperative Modulation of Ni3S2 for Efficient Electrocatalytic Oxidation of 5‐Hydroxymethylfurfural to 2,5‐Furandicarboxylic Acid

open access: yesRare Metals, EarlyView.
ABSTRACT Ni3S2 has emerged as a promising catalyst for the electrochemical oxidation of biomass‐derived 5‐hydroxymethylfurfural (HMF) to 2,5‐furandicarboxylic acid (FDCA), driven by its distinctive physicochemical properties. However, its practical catalytic efficiency is severely hindered by abundant electrochemically inactive surface sites and poor ...
Cheng‐Feng Yi   +5 more
wiley   +1 more source

A fast PSO algorithm based on Alpha-stable mutation and its application in aerodynamic optimization

open access: yesXibei Gongye Daxue Xuebao, 2022
提出了一种基于Alpha stable分布的新型变异方法。针对粒子群算法容易陷入局部最优的缺点, 通过对比分析确定了一种调整Alpha stable分布的稳态系数动态变异策略, 使粒子群算法能够在搜索初始阶段具有更强的种群多样性以及算法探索能力, 减少陷入局部最优的可能; 在算法末期增强粒子群优化算法的局部搜索能力, 提高解的精度。将基于Alpha stable变异的粒子群优化算法(Alpha stable particle swarm optimization, ASPSO ...
FAN Huayu   +3 more
doaj   +1 more source

Enhanced Low‐Frequency Microwave Absorption and Corrosion Resistance of FeSiAl Using Low‐Melting‐Point Glass Phase Coatings

open access: yesRare Metals, EarlyView.
ABSTRACT This study developed a FeSiAl@LMPGP composite material to address the demand for low‐frequency electromagnetic absorption. Through controllable heat treatment, FeSiAl particles and PbO nanoparticles self‐assembled into a high‐density Mott–Schottky heterointerface structure, which exhibited a significant built‐in electric field (BIEF) effect ...
Yuqi Wang   +5 more
wiley   +1 more source

基于表层电导率迭代优化的绝缘子沿面电场分布调控

open access: yesGaoya dianqi, 2023
气固界面电场畸变是诱发绝缘子沿面放电和降低其沿面耐电性能的重要原因,研究直流GIL绝缘子沿面电场分布调控对于提升绝缘子运行的可靠性具有重要意义。直流电压下,绝缘子沿面电场分布由其电导率分布所决定,合理地优化绝缘子表层电导率分布可以达到调控气固界面电场分布的目的。文中利用高电导涂层方法改变绝缘子表层电导率,类比现有的体介电常数优化算法,以沿面电场均匀度为优化目标,开发了表层电导率迭代优化算法,研究了迭代优化次数、涂层层数和厚度对优化后涂层电导率分布和涂层绝缘子沿面电场分布的影响。迭代优化后结果表明 ...
李宾宾   +5 more
doaj  

Optimization and Scheduling of Integrated Energy Systems With Carbon Capture and Storage-Power to Gas Based on Information Gap Decision Theory [PDF]

open access: yes
ObjectivesThe main issue in the current rational optimization of integrated energy systems is to adopt technological means to improve energy conversion efficiency, reduce system energy waste and regional environmental pollution, in order to ...
BAO Geriletu, LI Xinxin, ZHAO Zhenyu
core   +1 more source

Smart Biomaterials and Dressings for the Treatment of Chronic Inflammatory Skin Diseases

open access: yesRare Metals, EarlyView.
ABSTRACT Chronic inflammatory skin diseases, encompassing immune‐inflammatory conditions and infection‐associated dermatoses, pose significant clinical challenges due to high prevalence, recurrence, and therapeutic resistance, affect over 30% of the global population.
Zehao Lan   +5 more
wiley   +1 more source

Metaverse Application in Power Systems [PDF]

open access: yes, 2022
Metaverse is a new internet application and social form of virtual reality integration which is produced by integrating a variety of new technologies.
LI Guangdi, XI Chao, YANG Bo, ZHOU Bowen
core   +1 more source

Carrier and Phonon Engineering in Sb‐Doped Sn0.8Mn0.1Pb0.1Te: A Pathway to Superior Thermoelectric Performance

open access: yesRare Metals, EarlyView.
ABSTRACT SnTe is considered a potential alternative to PbTe for thermoelectric applications. However, excessive carrier concentration and thermal conductivity result in poor thermoelectric performance. Herein, p‐type SnTe‐based materials Sn0.8‐xMn0.1Pb0.1SbxTe were synthesized, and the combined effects of Sb, Mn, and Pb were systematically investigated.
Jun‐Xiang Zhang   +10 more
wiley   +1 more source

外腔可调谐激光器热调谐标准具的热分析优化

open access: yesGuangtongxin yanjiu, 2019
为了提高外腔可调谐激光器热调谐标准具表面温度的均匀性,文章采用仿真分析的方法得到热调谐标准具表面温度分布特点,提出了优化热调谐标准具加热电极的解决方案,以实现热调谐标准具表面温度分布均匀化的目的。文章阐述了热调谐标准具优化加热电极轨迹分布、增加石英片以增加导热路径热阻以及优化加热电极功耗分布的技术方案,通过对优化后的热调谐标准具进行热分析模拟,得到优化后热调谐标准具的表面温度分布。分析结果表明,优化后的热调谐标准具表面温度差降低了77%,具有更好的温度均匀性 ...
杨明冬   +5 more
doaj  

Explorations in Makespan and Energy- Consumption-Oriented Multi-Objective Workflow Scheduling Algorithms [PDF]

open access: yes, 2015
在传统的多处理器调度系统当中,应用程序所追求的主要目标是该应用程序 的完成时间尽可能的少。然而近些年来,应用程序在执行过程中所消耗的能量越 来越引起人们的广泛关注。因此,在现代多处理器调度系统当中,以应用程序的 完成时间和能量消耗为目标多目标工作流调度问题就成为调度领域的热点前沿 问题。动态电压缩放技术(DynamicVoltageScaling,DVS)作为人们研究调度算法 的有效技术之一,更是受到人们越来越多的关注。DVS技术支持动态调节处理器 的电压等级值 ...
周鹏吉
core  

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