By the survey and the monitoring of the present indoor air pollution. The paper reviewed the sources and harm of the indoor air pollution. Solved measures are suggested.
Through a spot investigation and water quality monitoring, an assessment for both the water quality and the pollutionsources of Wulungu Lake is given in this paper.
本文通过现场考察及水质监测，评价了乌伦古湖的水质及污染源状况，还对水质的发展趋势进行了初步预测。
3
Based on the historical and present monitoring data, the underwater topography, deposits, pollutionsources and water environment quality of Kuncheng Lake of Changshu City were studied.