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基于多指标决策方法在新能源发电绩效评价领域应用的广泛性,本文分别从评价指标、指标权重及评价方法三个方面对现有新能源发电绩效评价相关文献作了回顾与总结。在评价指标上,分别从技术、经济、环境和社会方面总结了常用的新能源发电绩效评价指标;在指标权重上,分别从主观权重、客观权重和混合权重三个方面对权重设置进行了分析;在评价方法上,分别对AHP、TOPSIS和PROMETHEE等方法在新能源发电绩效评价中的应用进行了分析。同时,本文还指出了现有新能源发电绩效评价研究的不足及可进一步拓展的研究方向。 相似文献
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随着"80后"这一代人走向社会成为企业人力资源的主力军,关于"80后"人员的组织行为研究成为热点。本文数据来自对企业组织中"80后"知识型员工的组织行为的问卷调查,采用因子分析、Bayes估计、Pearson、Spearman相关系数方法对组织承诺和工作绩效的关系进行分析,结果表明:(1)情感承诺与关系绩效和任务绩效存在强的正相关关系;(2)持续承诺对任务绩效有负影响与关系绩效存在弱的正相关关系;(3)规范承诺与关系绩效和任务绩效存在较强的正相关关系。 相似文献
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ABSTRACTGenerational cohorts can differ in their consumption patterns and preferred travel behavior. As the millennial generation represents an important economic force and influences new consumption trends, this study utilizes nationwide data and almost ideal demand system (AIDS) approach to examine expenditure patterns of Korean travelers during holidays. In this process, the joint effects of travel-related characteristics are also examined. The results of the AIDS estimation on data from 871 domestic travelers reveal significantly different travel expenditure patterns for cohorts. The findings contribute to furthering the understanding of how different generational cohorts allocate their travel budgets to respective travel expenditure categories. 相似文献
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Generation Z's (gen z) sharing of personal information on social media is a growing phenomenon with significant ramifications. Existing research, however, focuses on examining the role of social and/or psychological factors and fails to consider how and when social, psychological, and organizational factors affect gen z's willingness to share personal information on social media. To fill this gap, we propose a conceptual model based on the tenets of sociometer theory, to understand the dynamics of gen z's willingness to share personal information while considering its process and boundary conditions. Using a sequential multi-study design, we conducted an experiment followed by a survey to test our hypotheses using data collected from gen z in India. Our findings show that when gen z feels socially isolated/anxious, they are more likely to share personal information on social media. The effect of social isolation on sharing of personal information increases when gen z fear that they are missing out on the rewarding experiences others are having, are engaged in repetitive negative thoughts and perceive their firm's privacy policy as transparent and ethical. Our findings provide a better understanding of why, how, and when gen z's are willing to share personal information on social media. We extend existing limited research on the psychological aspects of digital natives' interaction with modern technologies. Our results equip social media marketing and brand managers with the knowledge they need to increase gen z's willingness to share personal information. 相似文献
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为了提高电力系统的经济性与安全性,评估接入分布式发电(DG)后电网企业的综合效益成为指导企业决策的主要依据,为日后电网整体规划挑选最优方案提供理论依据。在研究含分布式发电的配电网的综合效益的基础上,从DG接入对系统网损、扩容投资、售电损失、生态环境等综合社会效益方面产生影响出发,分析各个部分相应模型,完善整体综合效益量化模型。以电网企业的整体效益最大化为目标,考虑经济性约束条件,保证DG的合理运行。由算例分析可知,电网企业整体社会收益增加,可实现经济接入并带来利润。既验证了模型的合理性,又为电网企业应季规划电力分配的决策提供数据支持与依据。 相似文献
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通过分析智能电网低碳效益的内涵,确定了碳的减排对于智能电网的重要性。分别从清洁发电、降低损耗及负荷整形三个方面探讨了智能电网低碳效益的实现路径。 相似文献
39.
Mintak Han 《The Service Industries Journal》2019,39(5-6):361-384
Among many techniques for generating new service ideas, morphological analysis has been used due to the advantage of decomposing the system into dimensions and shapes and bringing creative results in the process of recombining them. However, with the rise of smart service systems, the determination of dimensions and shapes has become a critical problem, particularly as both their structure and components become complex. This research focuses on a data-driven approach by incorporating mobile app service documents to increase objectivity and diversity in the construction of a morphology matrix. To this end, firstly, the novelty-quality map is developed to identify innovative data based on quantitative indicators. Secondly, morphological analysis is employed along with experts’ judgment in order to generate new smart service concepts. Finally, the feasibility and effectiveness of the proposed approach are shown based on a comparative analysis with conventional approaches and real services through a case study of smart home. 相似文献
40.
本文通过对经济业务分类和审计方法的演变分析,尤其是针对现在国内外流行的业务循环经济业务分类方法与根据业务循环,开展内部控制测试与审计中存在的重复和遗漏之不足,提出了崭新的企业经济业务新的分类标准,主张将企业全部经济业务分成广义购进、广义销售、货币收付和资料生成四大类型,然后研究在新的分类下每类业务的控制与审计重点,以达到消除目前在控制与审计活动中存在大量重复作业,节约审计资源,降低审计成本,提高审计质量与效率之目的。 相似文献