论城市设计项目对周边环境的影响.pdf

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1、 On the Impact of Urban Design Projectsunder Catalyst Effects on the Sur-rounding Environment development or evolution is madepossible by the function of various catalysts.Cata-lysts of urban immaterial elements have a long-term,inherent and gigantic impact on the city.Catalysis isoften shown as new

2、 elements changing the ele-ments around them;catalysts can improve the valueof existing elements or make useful conversion;catalyst reaction does not cause any damage to itsenvironmental connotation;positive catalyst reac-tion requires the understanding of its backgroundconnotation;not all catalyst reactions are the same;catalyst design is politic;its products are better thanthe total of the elements;catalysts themselves arestill recognizable.Key words Catalyst effect,Urban catalyst,Urbandesign project,Impact factor