根据2001 ~ 2005年湘潭市城区降水环境质量监测数据,对湘潭城区酸性降水的变化特征、离子化学组成、变化趋势和酸雨成因进行了分析。
The changing characteristics and chemical components and origin of acid rain in Xiangtan urban area are analyzed according monitoring data of precipitation quality from 2001 to 2005.
二氧化硫是酸雨的主要成因之一,它是一种特别严重的污染物,因为它会降低呼吸系统处理其他污染物的能力。
Sulfur dioxide, a major contributor to acid rain, is an especially serious pollutant because it diminishes the respiratory system's ability to deal with all other pollutants.
这些混合物是酸雨的主要成因。
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