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多样化战略和高层经理指令的特点:述评
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作者 李艳君 《管理观察》 1994年第3期6-7,共2页
关键词 高层经理 公司管理者 商业形式 商业类型 多样程度 多样性程度 销售部门 纵向集成 生产部门 商业部门
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城市交通低碳发展策略的系统动力学分析——基于土地利用视角 被引量:2
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作者 钟伟 丁永波 金凤花 《工业技术经济》 北大核心 2016年第6期134-139,共6页
随着城市环境的恶化,城市低碳交通建设迫在眉睫。本文从土地利用角度构建城市交通碳排放与土地利用的系统动力学模型,得出城市交通低碳发展的两种策略,并以长春市为例,对两种策略方案进行了仿真分析。结果表明,提高土地利用强度和增大... 随着城市环境的恶化,城市低碳交通建设迫在眉睫。本文从土地利用角度构建城市交通碳排放与土地利用的系统动力学模型,得出城市交通低碳发展的两种策略,并以长春市为例,对两种策略方案进行了仿真分析。结果表明,提高土地利用强度和增大土地混合利用程度均能使交通碳排放减少,而且增加土地多样性程度的实施效果要优于土地利用强度的提高。 展开更多
关键词 低碳交通 土地利用 土地利用强度 土地多样性程度 系统动力学
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Participatory Action Research for Catalyzing Adaptive Management: Analysis of a "Fits and Starts" Process
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作者 C.J.P. Colfer E. Andriamampandry +4 位作者 S. Asaha E. Lyimo E. Martini J.L. Pfund J. Watts 《Journal of Environmental Science and Engineering》 2011年第1期28-43,共16页
This paper argues that contextual constraints can significantly interfere with the conduct of research and development, and accordingly should be analyzed more honestly. It describes a five country research project, L... This paper argues that contextual constraints can significantly interfere with the conduct of research and development, and accordingly should be analyzed more honestly. It describes a five country research project, Landscape Mosaics, in which participatory action research (PAR) was intended as one of two central approaches in the original research design (the other approach being more conventional research). The five sites, in Cameroon, Indonesia, Laos, Madagascar, and Tanzania, are described, with an emphasis on their implementation of PAR. The fact that personnel and partners on three of the five sites failed to implement PAR is analyzed, to determine the constraints to such action. These findings are then compared with our experience with two other similar projects in which PAR was more widely implemented. We conclude by identifying the most important constraints to be overcome in implementing a PAR process, something we consider important in efforts to deal with change processes in developing countries. 展开更多
关键词 Participatory action research research approach LANDSCAPE BIODIVERSITY community
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