microbial

Variation of culturable microbial population structure and essential soil enzyme activities were investigated with continuous cucumber cropping.

摘要利用平板培养法对黄瓜连作根系种群连续性变化进行了跟踪研究。

And the ribosomal intergenic sequence analysis(RISA) was used to show the changes of microbial community during the period.

并采用核糖体基因间隔序列分析技术(RISA)解析了高效投加前后污泥系统的群落变化。

This paper studied the production of vanillin and vanillic acid from isoeugenol or ferulic acid by enzymatic and microbial methods.

本文主要对酶转化法和转化的方法转化异丁香酚或者阿魏酸产香草酸和香兰素进行了研究。

ABSTRACT Objective： To establish a method for determining the content of josamycin by HPLC and compare it with the microbial assay.

摘 要 目的：建立HPLC法测定交沙霉素含量的方法并与检定法结果相比较。

Behavior of microbial dissimilatory reduction in the process of bioleaching metal oxide was researched to increase the leaching efficiency of marine manganese nodules.

为考查异化还原在浸出金属氧化中的行为,提高浸出深海多金属结核的效率。

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降解的研究进展。

The application of surfactant in microbial degradation of petroleum pollution in recent years is introduced in this paper and the factors of choosing the eptitude surfactant are also disc.

石油污染日益严重,利用降解石油是一种经济有效的石油污染治理方法。