杆菌的

32 U/mL enzyme activity can be detected in medium after fermentation. By optimizing the zymotic medium and fermentation conditions, recombination B. subtilis can express as high as 110.02 U/mL of Alkalineβ-mannanase. Cycle of fermentation needs 5 days(4 days is needed in induced expression ), then enzyme activity maintained at the highest level, less than 5 % enzyme activity was lost in next 2 days.

为了继续对碱性β-甘露聚糖酶进行高表达研究，试验采用了芽孢杆菌发酵培养基来进行产酶研究，初步诱导酶活达到29.32 U/mL，通过对发酵条件的优化，该重组枯草芽孢杆菌的产酶水平有了大幅度的提高，最高可达110.02 U/mL。

Extracts from 6 species of IPomoea batatas Lam leaves have been determined for their bacteriostatic effects on five types of pathogenetic bacteria (Escherichia coli,Bacillus subtilis, staphylococcus aureus, staphylococcus albus, and Proteus vulgaris) by using the methods of the filter paper disk test s and the dual-flat tests.

用滤纸圆片法和双层平板法测试六种不同品种红薯叶（SPGS—1，SPGS—2，SPGS－3，SPGC，SPRC，SPRS）的提取物对五种致病菌：大肠杆菌、枯草杆菌、金黄色葡萄球菌、白色葡萄球菌、普通变形杆菌的抑制作用、结果发现SPGS—1、SPGS—2、SPGS—3和SPRS四种红薯叶提取物有明显的抑菌作用，其最低抑制浓度范围为0.4g／ml～1·0g／ml

DianSha is the third generation of carbostyril with a far stronger antibacterial activity than any other drug of the type. Its effective spectrum covers Gram-negative bacilli and staphylococcus aureus, especially effective on enterococcus.

典沙作为第三代喹诺酮类药物，其抗菌活性强于同代其它品种，对临床分离的大多数致病菌包括革兰氏阴性杆菌及阳性球菌均有较好的抗菌作用尤其对肠杆菌的作用最强。

The mixture of 50% non-fat milk power and 50% starch is the more effective and cheaper carrier. The concentration of Lactobacillus fermentum and Lactobacillus plantrum is 1. 21 X 1010 cfu/g , 9. 84 X 109 cfu/g in powder starter with glycerol added and the cell survival is still 65.2% and 69. 1%.respectively, after 90 days storage.

对用于制备干粉发酵剂的载体和保护剂进行了筛选，结果显示用含脱脂奶粉和淀粉各半的混合物作载体、用甘油作保护剂制备乳酸菌干粉发酵剂效果较好，发酵乳杆菌和植物乳杆菌的活细胞数分别可以达到1.21×10~(10)cfu·g~(-1)、9.84×10~9cfu·g~(-1)，保藏90天后，细胞存活率为65.2％、69.1％。

It depicts the species of microbesThibacillus ferrooxidans,SRB,filaceous sulfur bacteria,synthetic sulfur bacteria,colorless(sulfur bacteria and thiobacillus denitrificans,their metabolism pathway,treatment capability and key affecting factors of processes,and their disadvantages and advantages.

叙述了烟气吸收和吸收尾液的处理工艺所利用的脱硫微生物种类，并阐述了氧化亚铁硫杆菌、硫酸盐还原菌、丝状硫细菌、光合硫细菌、无色硫细菌和脱氮硫杆菌的代谢途径、作用效果和关键影响因素，并且指出其优缺点。

It depicts the species of desulfurizing microbes (Thibacillus ferrooxidans, SRB, filaceous sulfur bacteria, synthetic sulfur bacteria, colorless sulfur bacteria and thiobacillus denitrificans), their metabolism pathway, treatment capability and key affecting factors of different processes, and their disadvantages and advantages.

叙述了烟气吸收和吸收尾液的处理工艺所利用的脱硫微生物种类，并阐述了氧化亚铁硫杆菌、硫酸盐还原茵、丝状硫细菌、光合硫细菌、无色硫细菌和脱氮硫杆菌的代谢途径、作用效果和关键影响因素，并且指出其优缺点。

METHODS Hp in gastric biopsy specimens from 259 patients with gastroenteric diseases was studied by bacterial culture method. In vitro , antimicrobial susceptibility of 50 strains Hp of random selection was tested by E test and agar dilution method.

方法采用细菌培养的方法对259例胃肠疾病患者胃粘膜活检标本进行了幽门螺杆菌的分离鉴定，并用琼脂稀释和浓度梯度法对随机抽取的50株幽门螺杆菌进行了抗生素敏感性试验。

The results showed that the 16S rDNA copies of Bacteroides spp. decreased in rotavirus-infected children by 2 orders of magnitudes. 665 clones in Group H and 284 clones in Group R were sequenced and 34 OTUs were obtained according to 98% sequence homology. Partial least squares discriminant analysis of the clone library profiling data revealed significant structural shifts of gut microbiota.

利用偏最小二乘判别法(Partial least squares discriminant analysis，PLS-DA)对这34个OTU进行分析，结果表明轮状病毒感染导致肠道内拟杆菌组成结构发生了变化，通过拟杆菌的组成可以将健康个体与轮状病毒感染个体分开，而对于区分两组个体起关键作用的OTU分别与Bacteroides vulgatus ，Bacteroides stercoris和Bacteroides fragilis有很高的同源性。

We have obtained illuminate illuminate image of a single Photobacterium phosphoreum which shows that its size is about 2.4×0.62 and the illuminate intensity is in the order of 100 photons persecond.

应用此系统拍摄到了单个明亮发光杆菌的发光图像，图像显示明亮发光杆菌的大小为2.4×0.602，单个细菌的发光强度在100光子／秒量级。

According to the nutritional needs of B.bifidum,based culture and stimulated factors were optimized by quadratic design.The optimum based culture was as following: yeast extract was 0.9%,tryptone was 0.3%,soya peptone was 0.3%,glucose was 2.0%,bifidus was 0.8%,growth factor was 10%.

针对两歧双歧杆菌的营养需要，采用正交试验设计优化增殖培养基，结果表明，酵母膏是影响短双歧杆菌的显著因素，最佳的优化培养基配比是：酵母膏0.9%，胰蛋白胨0.3%，大豆蛋白胨0.3%，葡萄糖2.0%，双歧因子0.8%，生长因子10%。

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。