产细菌的

The cell growth and the releasing rate of urease from bacteria and actinomycete in the presence of different nBPT concentrations were examined.

研究了脲酶抑制剂nBPT对土壤中脲酶活性和细菌、放线菌生长及发酵产酶的影响。

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。

Malate,lactate,pyruvate and glucose were all good substrates for Rhodobacter sphaeroides to produce hydrogen.

苹果酸钠、乳酸钠、丙酮酸钠和葡萄糖都是球形红细菌产氢的良好碳源，这表明球形红细菌具有利用食品工业等高浓度废水为底物产氢的可能性。

Acetobacter xylinum has strong bacteria cellulose-producing capability.

产细菌纤维素能力较强的微生物是木醋杆菌。

Results Both groups of ESBLs-producing Enterobacteriaceae could be identified by ChromID ESBL.

基因型别。结果 ChromID ESBL能有效地检测产ESBLs的肠杆菌科细菌。

Methods: turkish gall 1,turkish gall 2 were selected to experiment medicine and there medicines to streptococcus mutans atcc25175, actinomyces naeslundiiwvu627, actinomyces viscosus atcc19246 and lactobacillus rhamnosus ac413 were checked, to observed the change of glycose metabolism and acid metabolism.

选择4种与龋病密切相关的口腔细菌作为实验菌株，以没食子鞣质及其提取物2为实验药物，研究对口腔细菌产酸的影响；同时选择主要产糖菌变形链球菌和粘性放线菌为实验菌株，研究实验药物对其合成水不溶性胞外多糖能力的影响。

A Bacteriocin-producing Lactic Acid Bacteria R260 strain was screened from plant-material. The morphological, physiological and biochemical features of R260 strain were as follows, the bacterial cell was gram-positive, straight rot-shaped, single or pairs and the spor wasn't found. VP reaction, nitrate reaction, gelatin liquefy and catalase reaction were negative. Glucose, fructose, sucrose and maltose were fermented to organic acids.

本实验从植物性材料中筛选到一株产细菌素的菌株 R260，菌株的形态观察和生理生化性质测定结果显示，菌体细胞呈杆状，单个或成对出现，革兰氏阳性，无芽孢；接触酶反应、硝酸盐还原实验、明胶液化实验、产氨实验、水解淀粉实验、硫化氢产生实验和 VP 实验均为阴性；发酵葡萄糖、蔗糖、麦芽糖、果糖和核糖。

The power-time curves of E.coli reacting with Co-SG at different temperature has been determined by microcalorimtric method The multiplication rate constant k, generation time G,bacterial growth inhibition ratio I,total thermogenetic quantity Q, the heat quantity of a single bacterium Q_(0) and the heat quantity of a single bacterium per minute have also been calculated according to the power-time curves.

用微量热法测定了大肠杆菌及其在Co -SG配合物作用下的热谱曲线，计算了速率常数k ，传代时间G、抑制I、总产热量Q、单个细菌的产热量Q0 和每分钟单个细菌的产热量 Q0 ，建立了部分代谢参数之间的关系，探讨了大肠杆菌在不同温度和Co -SG作用下的代谢抑制，发现可用t、tr、tg和 Q0 定量表征在不同温度下大肠杆菌的生长代谢和药物的抗菌活性。

Objective To understand the zymogenic rates and drug resistance of enterobacteriaceae bacteria in urinary system infection in order to provide assistance to clinical diagnosis and therapy.

目的 探讨泌尿系统感染产酶肠杆菌科细菌的分离率及耐药性，为临床诊治提供帮助。

We further investigated the mechanism of VFAs production. Results revealed that this novel process could reduce the inhibitory effect of VFAs on the acid-forming microorganisms, and the total VFAs yield and the removal ratio of organic solids respectively depended on the first stage and the third stage of this novel process.

进一步分析多级逆流工艺产酸的机制，发现产酸效率的提高在于降低了发酵产物对厌氧产酸细菌的抑制效应，并且工艺的VFAs产率以及有机质去除率分别取决于第一级和第三级厌氧发酵过程。

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。