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

针对氧塘水体富,介绍了氧塘水体富的发生机理、影响因素及其危害,探讨了防治施,并展望了未来的研究趋势。

The new consensus in 2002 shall be devoid of harmfulness, devoid of abusiveness devoid of warfare, and filled with peace.

在2002年，新一致实相将是无害、无暴力、无战争，并所充盈。

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.

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