Results 71 to 80 of about 65,934 (177)

Democratic Values in Citizen Participation: What Citizens Prioritize in Participation

open access: yesPolicy Studies Journal, EarlyView.
ABSTRACT Citizen participation is often initiated to strengthen democracy. While participatory innovations are typically assessed through normative frameworks emphasizing democratic values, little is known about which of these values are prioritized by citizens.
Take Sipma, Frank Hendriks
wiley   +1 more source

Optimal control of multi-zone vav air-conditioning system [PDF]

open access: yes, 2017
2006-2007 > Academic research: refereed > Publication in refereed journalVersion of ...
Wang, SW, Xu, XH
core  

Tolerability and Feasibility of Minimally Invasive Canine Skin Sampling: Excellent Tolerability Meets Transcriptomic Challenges

open access: yesVeterinary Dermatology, EarlyView.
ABSTRACT Background Advances in transcriptomics have driven the demand for minimally invasive, reproducible and high‐yield skin sampling methods, particularly for studying inflammatory skin diseases in companion animals. Hypothesis/Objectives We tested tolerability, feasibility and RNA quantity and quality of three minimally invasive skin sampling ...
Ina Herrmann   +2 more
wiley   +1 more source

直驱螺杆泵在煤层气排采中的参数优化研究

open access: yesShiyou jixie, 2014
为使煤层气排采生命周期更长、煤层气产出量最大化,对地面直驱螺杆泵在煤层气排采中的生产参数进行了优化研究。综合考虑煤层气排采制度及井、泵之间的供排协调的实际约束条件,建立以生命周期内煤层气产气量最大为优化目标的数学模型。引入煤层气井生产数值模拟结果,将其作为优化过程中的参数,将煤层气井生产排采制度这一较难表征的约束条件恰当转化,以适当的时间段内压降值作为计算排水量的依据,编制优化流程图,按照优化流程及其他各约束条件对生产参数进行优化。通过具体实例验证了优化方法的有效性。
孙艳萍, 赵, 宁, 屈文涛, 刘, 庆
doaj  

Force-measuring System Optimization and Simulation Analysis Of Wire-driven Parallel Suspension System [PDF]

open access: yes, 2015
摘要 绳牵引并联机构作为一种新型的低速风洞模型支撑系统,因具有速度快、结构简单、承载能力大以及对流场干扰小等诸多优点而备受关注。同时由于该类系统通常具有冗余驱动的特点,因此绳拉力优化、绳拉力准确测量以及绳索系统建模仿真成为待解决的关键技术。本文主要从这三个方面展开研究,主要工作及成果如下所述。 首先,建立了WDPSS-8的运动学模型和空间平衡方程。对于WDPSS-8机构因冗余驱动而导致的绳拉力多解问题,本文在运动学模型分析的基础上提出一种基于遗传算法的绳拉力优化求解方案 ...
江子扬
core  

Multidimensional Poverty and Deprivation in Informal Settlements: A Gendered Perspective From the South African Multidimensional Poverty Index

open access: yesPoverty &Public Policy, Volume 18, Issue 2, June 2026.
ABSTRACT Rapid urbanisation and persistent socio‐economic inequality continue to entrench multidimensional poverty within South Africa's urban informal settlements, with women and female‐headed households experiencing disproportionate deprivation. This study analysed primary household survey data collected in 2023 from 322 households across three ...
Adrino Mazenda   +3 more
wiley   +1 more source

40.5 kV高海拔穿墙式固封极柱电场分析与结构优化

open access: yesGaoya dianqi, 2020
结构小型化和高绝缘水平的优化设计是固封极柱设计中的重要组成部分。以40.5 kV高海拔穿墙式固封极柱为例,通过对普通结构、外绝缘加高结构、伞裙优化与屏蔽优化相结合等不同结构形式的固封极柱的电场进行分析,实现了绝缘结构的最优化。解决了40.5 kV高海拔穿墙式固封极柱的绝缘问题和局部放电问题,为类似40.5 kV穿墙式固封极柱的绝缘结构优化提供了参考。
李红梅, 王志川, 刘玉春
doaj  

220 kV HGIS模块化设备选型及布置方案优化研究

open access: yesGaoya dianqi, 2022
文中针对国网公司通用设计方案中220 kV HGIS配电装置占地大、构架设置复杂及进出线型式单一等缺点展开模块化设备选型和布置方案优化研究。文中提出进出线双间隔母线侧“共用套管”和分段—母联公用间隔“共用套管”两种模块化设备,阐述其接线原理、布置方案和不停电检修扩建方案。借助三维设计手段开展配电装置场地优化,通过安全净距校验将双间隔宽度由25 m优化至24.5 m,母线构架宽度由26 m优化至24.5 m,结合吊装模拟验证模块化设备运输方案并优化道路布置。优化后220 ...
周亚龙, 熊静, 陈斌, 王椿丰
doaj  

probability neural network based on particle swarm optimization algorithm [PDF]

open access: yes, 2016
标签分布学习是近几年发展起来的解决多标签分类问题的方法。该方法基于这样的假设:属于不同标签的实例可能会存在部分的共同特征,因此在学习过程中,每个实例都可以对不同的标签做出贡献,这极大地降低了学习的难度。条件概率神经网络作为解决这个模型的算法,在进行分类时具有独特的优势,然而如何对其进行有效的训练,从而找到最优参数却是一个困难的问题。 本文对条件概率神经网络的优化进行了研究,在考虑标签分布的性质和条件概率神经网络的结构特点之后,从三个方面改进了条件概率神经网络,并将改进的条件概率神经网络应用于年龄估计问题,
徐骏捷
core  

f–f Transition in Er(OH)3 Promotes Photosynthesis of H2O2 Coupling With Oxidation of Benzylamine Over Sodium Poly(heptazine imides)

open access: yesRare Metals, Volume 45, Issue 5, May 2026.
ABSTRACT f–f electronic transitions of rare‐earth elements typically exhibit unique physicochemical properties that benefit the photocatalytic performance of the catalysts containing the elements. Although conventional rare‐earth metal oxides or single‐atom doping in semiconductors have been extensively studied, the construction of heterojunction ...
Yang‐Sen Xu   +6 more
wiley   +1 more source

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