At present, about 2/3 of domestic waste, 2/5 of industrial solid waste and 2/5 of livestock and fowl manure have not been treated properly in Chongming Island and it has caused serious contamination.
目前上海市崇明岛约有2/3的生活垃圾、2/5的工业固体废物、2/5的禽畜粪便尚未得到妥善处理，固体废物污染颇为严重。
We study how to control the solid grain, microorganism and water quality of tap water, and put the research about the solid grain contamination into emphasis.
本文对自来水固体颗粒污染物、微生物和硬度等三种主要污染物的控制方法进行了研究，其中着重研究了固体颗粒污染物的控制理论和方法。
The comparison of formation of ash contamination layers between on helically finned tube bank and on bare bank under gas solid two phase fluid is discribed.
从分析螺旋翅片管束受气固两相流冲刷时其表面上灰污层形成的机理着手，分析各种因数对灰污系数数值的影响。
The comparison of formation of ash contamination layers between on helically finned tube bank and on bare bank under gas solid two phase fluid is discribed.
从分析螺旋翅片管束受气固两相流冲刷时其表面上灰污层形成的机理着手，分析各种因数对灰污系数数值的影响。
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