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,高药作和无公害品质的特点,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.

指出了开发新的无公害分离方法的重要性和必然趋势。

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

采黑曲为发剂对活性污泥进行全无公害处理并对各种病原菌的生长变化进行监测。结果表明病原菌总量在发中呈"马鞍型"变化。