细菌的

The activity of enzyme production of bacteria from the soil samples that from oil refinery was higher, and the best carbon source for bacteria fermenting and producing lipase was sucrose, and the best nitrogen source was beef extract.

结论］炼油厂土样中细菌的产酶活性较高，细菌发酵产脂肪酶的最佳碳源为蔗糖，最佳氮源为牛肉膏。

Scientists have now sequenced the genome of one possible cavity causer, a bacterium known as Bifidobacterium dentium.

目前科学家们已排出了一种可能造成蛀牙的细菌的基因图谱，这种细菌叫做Bifidobacterium dentium。

In this report, chloramphenicol and oxytectacycline were chosen.

因为抗生素的存在，对细菌族群造成选择压力，导致抗药性细菌的产生。

These findings suggest that the bacterium communicates with the archaeon by using its flagellum.

这些发现表明，细菌与古细菌的沟通是通过鞭毛实现的。

Because of its anticorrosion, moldability, compatibility, sense of cleanliness, excellent machining property, strong tenacity in wide temperature range and other benefits, stainless steel has been widely applied in many fields.

但是它没有抗菌和抑制细菌的能力，容易感染和滋生细菌，特别是在食品、公共场所和医疗卫生行业中，如果不锈钢制品感染和滋生了病菌，对人的健康构成威胁。

Distribution and isolation of cellulolytic myxobacteriaWe assayed distribution of and isolated cellulolytic myxobacteria of several environmental types of samples, i.e.

为了更深入地研究和开发溶纤维素粘细菌资源，本文在溶纤维素群粘细菌的分离纯化、生态分布、系统分子分类、降解纤维素机制进行了初步探索。

Objective: To study the species, constitution and origination of bacteria in periapical biofilm.

目的：对根尖生物膜细菌进行分离、培养和鉴定，了解根尖生物膜细菌的种类、组成和来源。

The corresponding rate between the two groups were 100% in one Species Bacteria,73% in two Specie Bacteria,and 33.3% in three Specie Bacteria.

两种取样方式分离一种细菌的相符率为100%，两种细菌为73%，三种以上为33.3%。

However, natamycin could not inhibit the growth of bacteria because no has no sterols exist in the bacterial cell wall and cell membrane.

但由于细菌的细胞壁及细胞膜不存在类甾醇化合物，所以纳他霉素对细菌没有作用。

And increasing numbers of bacteria in the infections are resistent to antibiotic medicines.

而且随着皮肤上细菌的繁殖，这些细菌对抗感染药物也会产生免疫。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。