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人为泥石流灾害严重等级的定量模糊综合评判   总被引:3,自引:0,他引:3  
根据神府-东胜矿区人为泥石流的调查分析,选择15个因素(含5个主控因素)作为其严重程度的评价因子,确定了四值逻辑(严、中、轻、否)评判的定量标准。应用模糊综合评判和分层定量模糊综合评判两种方法对该煤田65条泥石流沟的严重等级进行综合判别,准确性达93.1%,它为保护该地煤田建设和工农业生产提供了重要的科学依据。  相似文献   
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ABSTRACT

Media frames have been applied to news information for decades to influence the manner in which news is both delivered and interpreted. However, media frames have tended to focus on traditional news media channels, but the emergence of new media platforms now necessitates a recalibration of how media framing is understood in relation to media and communication studies. With a focus on the issue of climate change, this study explores how framing is employed by the phenomenon of Internet memes in the new media landscape. Specifically, memes presented demonstrate the representation of five common media frames from the perspectives of both the “convinced” and “skeptical” logics. It is argued that through the use of common meme templates combined with the typical humorous or ironic message they convey, Internet memes represent a potentially powerful form of socio-political participation in the online community.  相似文献   
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This article describes Dig Deep Farms & Produce, a food justice organisation and urban farm working to stimulate local economic development, create jobs, and improve the quality and accessibility of food in Ashland and Cherryland in California's Bay Area. Their practices are based on self-determined values although they take a flexible, anti-essentialist approach to foodie logics, which are prominent and problematic in the Bay Area. The case study then examines specific practices and strategies, as well as intersections with foodie logics, in three arenas – values determination, strategic partnerships, and foodways – that help to cultivate food justice and highlights key characteristics of food justice work: emphasising self-determination and working to fundamentally change the economic and social conditions of food apartheid.  相似文献   
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This paper claims that participatory approaches to water resource management in New Zealand are highly influenced by how institutional and community actors understand and practise democracy, including indigenous Māori rights under the Treaty of Waitangi. Drawing on case study analysis from a six-year research programme in which the aim was to evaluate existing and new methods for participatory decision-making, we highlight how different but co-existing democratic beliefs and practices, referred to as democratic logics can shape relationships between governance/decision-making bodies and affected communities. One particular case is examined in detail to illustrate how the various “logics” were strengthened, extended and challenged through participatory research methodologies. Our key message is that revealing and articulating existing democratic logics for participation can help promote and facilitate new participatory approaches, as well as increase robustness and community buy-in to local government decision-making.  相似文献   
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