Dandelion has high nutritive value,medical care value,and nuisanceless quality characteristics,so its market development potency is huge.

蒲公英具有高营养,高药用保健作用和无公害品点,市场开发潜力大。

The importance and the inexorable trend of the study on the new nuisanceless separation methods were point out.

指出了开发新无公害分离方法重要性和必然趋势。

This paper made a study of the variety regulation of pathogens in the activated sludge through biological fermentation using Aspergillus niger as zymophyte.

采用黑曲为发酵剂对活性污泥进行全程无公害处理并对各种病原菌生长变化进行监测。结病原菌总量在发酵过程中呈"马鞍型"变化。