harmfulness

The principle,influence fectors and harmfulness of the water body eutrophia in oxidation pond were introdneed in this paper.

针对氧化塘水体营养化,了氧化塘水体营养化的发生机理、影响因素及其危害,探讨了防治措施,并展望了未来的研究趋势。

This paper briefs the industrial usages i and harmfulness of cyclopentanone and cyclohexanone, and reviews the research progresses in microbial degradation of cyclopentanone and cyclohexanone.

摘要简了环戊酮和环己酮的应用及危害，综述了目前国内外在环戊酮和环己酮微生物降解的研究进展。