英语翻译近年来,石油污染日益严重,如何修复被污染的土壤及其方法的研究日益成为大家瞩目的焦点,而高效烃降解菌的筛选是其中的

英语翻译
近年来,石油污染日益严重,如何修复被污染的土壤及其方法的研究日益成为大家瞩目的焦点,而高效烃降解菌的筛选是其中的大热门之一.本文通过对实验室保藏的3种石油烃降解菌（Z1、Z41、Z49）的初步测定,选出石油降解效果比较好的菌种,然后为了进一步提高该菌株的石油降解效率,对其进行紫外诱变育种,诱变时间分为5s,15s,30s,40s,60s,再通过血平板初筛和摇床复筛,挑选出降解效率高的菌株,最终获得的菌株V23降解率为42.07%,与之前对照提高了20.07%,对几个候选菌株的产表活性能进行评价,发现各菌株的表面活性剂产量也大幅提高,其中V23的2μL稀释10倍的发酵液上清排油圈达到37.14mm,鼠李糖脂含量达到19.6g/L,较出发菌株提高了31%以上.

In recent years, oil pollution is serious, how to fix the contaminated soil and the study of the method of increasingly become everyone's attention, and high efficiency degradation bacterium hydrocarbon screening is one of the big popular one. This article through to the laboratory of 3 kinds of petroleum hydrocarbon preservation degradation bacterium (Z1, Z41, Z49) preliminary determination, to select the degradation effect is good oil strains, and then in order to further improve the efficiency of the fungus oil degradation, and carry on the uv mutation breeding, induced time is divided into 5 s, 15 s, 30 s, 40 s, 60 s, again through the blood flat screen and wave at the beginning of the bed after screen, selected high efficiency degradation of the strain, the strain of eventually get V23 degradation rate was 42.07%, up 20.07% before and contrast of the several candidates in activity can watch strains of evaluation, found that the strains of surface active agent production was greatly enhanced, and one of the 2 μ L V23 diluted 10 times the fermented liquid so clear 37.14 mm circle, rat lee sugar fat 19.6 g/L, a strain on up by more than 31%.
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