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CONCEPT, RESEARCH CONTENT AND METHOD OF URBAN DUST
Author(s): 
Pages: 73-79
Year: Issue:  1
Journal: GEOLOGY OF SHAANXI

Keyword:  城市灰尘环境污染概念内容与方法环境效应;
Abstract: 城市灰尘(urban dust)是指粒径小于20目(<0.920 mm),分散于城市不同区域(位置、功能区)的表面固体颗粒物.城市灰尘环境污染是指城市灰尘对城市环境所造成的污染.研究城市灰尘的目的是研究其物质来源、物质成分、分布规律、迁移演化、污染效应、防治治理等.文中论述了城市灰尘及其环境污染的科学定义、研究内容、研究方法.
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