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组合赋权 - Open Access .click
Results 1 to 10 of about 35 (34)

考虑动态赋权的江水源热泵供能系统模糊综合评价方法研究 [PDF]

open access: yes全球能源互联网, 2021
针对当前江水源热泵供能系统评价指标体系单一、赋权忽略动态变化及定性指标无法量化等问题,通过分析江水源热泵供能系统的工作原理及运行特点,从技术、经济及环保三个方面构建了江水源热泵技术经济综合评价指标体系。文中采用模糊评价方法量化定性指标,并通过层次分析法-熵值赋权法获得评价指标体系组合权重。考虑到江水源热泵供能系统在不同场景运行下的权值动态变化,提出基于动态赋权的权值动态修正方法,实现评价指标的动态赋权。针对长江沿岸地区某江水源热泵供能系统进行评价方法的应用,验证了该评价方法与实际情况相符。
郭松   +5 more
doaj   +1 more source

城市充电服务网多维评估指标体系与方法 [PDF]

open access: yes全球能源互联网, 2022
城市充电服务网的规划布局与运营模式决定了电动汽车的发展前景,在未来电动汽车渗透率急剧上升的情况下保证充电服务网可持续发展裕度,合理评估充电服务网以挖掘其运行不良区域与薄弱环节,可为后续充电服务网的持续优质运行提供改进依据。为此,提出考虑电动汽车用户、交通网、配电网等多方主体的充电服务网动态综合评价指标体系与评估方法。首先,分析城市充电服务网的多重属性,结合用户、交通网、配电网建立多维评价指标体系;接下来,采用基于组合赋权的灰色关联度分析法量化分析充电服务网对各主体指标的影响;最后 ...
王敏   +4 more
doaj   +1 more source

On resistance: As evinced in Iranian political affairs

open access: yesDigest of Middle East Studies, Volume 32, Issue 2, Page 151-158, Spring 2023., 2023
Abstract Along with fundamental rights such as liberty and property, the Declaration of the Rights of Man and of the Citizen in 1789 also envisions a right to resist oppression. Irrespective of one's place on the political spectrum, resistance has been employed as an alternative both to submission and to revolt. After briefly sketching a historical and
Omid P. Shabani
wiley   +1 more source

Identifying and developing effective post‐2020 conservation bridging leaders

open access: yesConservation Biology, Volume 36, Issue 6, December 2022., 2022
Abstract Effective bridging leaders interact within and outside their group to facilitate collaboration required in multistakeholder contexts. This is particularly crucial to community‐based conservation interventions that strive to achieve both ecological and social objectives by actively engaging or devolving decision‐making and management authority ...
Wayne Stanley Rice
wiley   +1 more source

天然气压力能发电-制冰利用及运行效益评估研究 [PDF]

open access: yes全球能源互联网, 2023
天然气压力能是一种新兴清洁能源,对其进行高效利用是节约能源、降低碳排放的有效手段。目前,天然气压力能回收利用中存在用能模式单一、评估指标片面以及评估方法缺乏等问题,导致天然气压力能利用率低,运行效益和系统不足无法被准确评估,行业发展受阻。首先,提出了天然气压力能综合利用方案,使用透平膨胀机回收压力能发电,降压过程中产生的冷能用于制冰,并加入太阳能热水系统提高出站气温度,提高能源利用效率。其次,基于分析模型并考虑经济性和环保性构建了压力能利用系统运行效益评估指标体系,对系统的运行状态进行全面、综合的评估 ...
李茜   +5 more
doaj   +1 more source

Deciding about the use of a Personal Safety Alerting Device—The need for a legitimation process: A qualitative study 使用个人安全警报装置的决定——合法化程序的必要性:定性研究

open access: yesJournal of Advanced Nursing, Volume 77, Issue 1, Page 331-342, January 2021., 2021
Abstract Aims To explore reasons, thoughts, motives, and influencing factors regarding the use or non‐use of Personal Safety Alerting Devices (PSADs) in the daily lives of community‐dwelling older persons. Design A qualitative descriptive study design was used.
Friederike J. S. Thilo   +4 more
wiley   +1 more source

基于组合赋权与加权秩和比的电力变压器状态评估

open access: yesGaoya dianqi, 2022
输变电设备运行状态评估是电网企业技术管理的重要内容,针对目前电力变压器健康状态评估模型中存在的对状态量单一赋权不合理、实现步骤较为繁琐、算法性能不稳定等问题,文中采用加权秩和比WRSR(weighted rank sum ratio)模型对电力变压器健康状态进行评估,该模型原理简单,易于实现。通过选取电力变压器运行中典型状态量,采用组合赋权的理论对各状态量赋予权值大小,进而计算评估对象的加权秩和比。利用加权秩和比确定待评估对象的概率单位,并将概率单位作为自变量代入回归方程中得到状态评估结果 ...
咸日常   +5 more
doaj  

Patient–provider perspectives on self‐management support and patient empowerment in chronic care: A mixed‐methods study in a rural sub‐Saharan setting 病患自我管理互助角度和慢性病人护理授权:撒哈拉以南农村地区进行的混合方法研究

open access: yesJournal of Advanced Nursing, Volume 75, Issue 11, Page 2980-2994, November 2019., 2019
Abstract Aim To explore how provision of self‐management support to chronically‐ill patients in resource‐limited settings contributes to patient empowerment in chronic care. Design Concurrent descriptive mixed methods research. Methods A survey of 140 patients with chronic conditions administered at four time‐points in 12 months.
Vibian Angwenyi   +4 more
wiley   +1 more source

基于改进VIKOR 算法的梯次利用电池电网储能场景适用性评价方法 [PDF]

open access: yes全球能源互联网
快速发展的电动汽车带来了巨量的退役动力电池,但其梯次利用场景缺乏科学的甄选方法。研究了梯次利用电池电网储能场景适用性评价方法。首先,从技术性能、经济性能和安全性能3个维度,构建了综合考虑电池运行状态、储能配置经济效益和梯次利用安全风险的梯次利用电池电网储能场景适用性评价指标体系。其次,采用多属性群决策方法优化设定评价维度权重,采用CRITIC法和熵权法形成组合赋权法对评价指标进行权重设置,设计了基于改进VIKOR算法的应用场景适用性评价算法。最后,针对峰谷套利 ...
谢桦, 刘哲, 孔德鹏, 雷博
doaj   +1 more source

海外清洁能源与电网联网项目效益评价体系与实证分析 [PDF]

open access: yes全球能源互联网
为应对气候变化和顺应第三次工业革命的大趋势,全球能源架构转型的新趋势将清洁能源发展提升至新高。从项目财务效益、宏观经济效益、社会效益、环境效益及政治效益共5个方面构建海外清洁能源和电网联网项目效益的针对性评价模型;然后采用组合赋权法与物权可拓法两种方法测算不同类型的清洁能源项目或电网联网项目的效益,包括商业类项目与示范类项目;最后以146个国家(地区)作为研究对象,对海外清洁能源与电网联网项目进行效益量化评测。结果表明,加纳、肯尼亚、苏里南、多哥、卡塔尔、斯洛伐克、厄瓜多尔、伊拉克等国家评测结果居于前列。
李华香*, 郑心语
doaj   +1 more source

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