影响城市大气质量的主要因素分析

The major affection factors analysis to the urban air quality in Shenzhen city

本文利用灰色系统的关联分析方法对影响城市大气质量的主要因素进行分析，结果发现．燃料的消耗量是影响深圳大气环境质量的主要因素，机动车辆的增长是次主要因素，工业总产值的变化对城市大气质量影响极弱，而城市的发展对大气质量均有影响，对大气中ＮＯｘ和降尘的影响最明显。

Using the correlation analysis of grey system, this thesisstudies the major factors affecting the urban air quality in Shenzhencity. The results are: The fuel consumption is the first important factor ; the increase of vehicle is the second important factor ; while thevariation of the gross value of industrial output (GVIO) Plays a veryminor role ; but the developmenf of the city affects the air quality, obviously to the NOx and dustfall in the air.