查询词典 sp.

An ammonia-oxidizing bacterial strain A5 was isolated from the activated sludge of A/O process,and identified as Nitrosomonas sp.

从厌氧好氧工艺的废水处理系统活性污泥中分离出亚硝化细菌A5 ，鉴定为亚硝化单胞菌 Nitrosomonassp。

Results also showed Nitrosomonas sp. was dominant phylotype in the library constructed with 16S rDNA PCR amplification from enrichment culture DNA extracted by direct extraction method.

用SDS-直接法提取的总DNA建立的富集液16S rDNA克隆文库中，氨氧化细菌群落结构较为单一，以亚硝化单胞菌为主。

One Nitroso-bacteria named N1(GenBank registered number: EU647556) was isolated from the SBBR one-step completely nitrogen removal process, and was identified as Nitrosomonas sp. The characteristics of N1 were studied. Results showed that the optimal temperature and pH of N1 were 8.0 and 30℃respectively and sufficient dissolved oxygen was demanded.

N1(NCBI数据库中注册号为EU647556)，该菌株对氧气需求量存在较严格要求，pH及温度对其氨氧化活性具有明显的影响，最适条件分别为pH8.0和30℃，在氨氮浓度80～800mg/L较宽的底物浓度范围内具有活性，当氨氮浓度高达800mg/L时，其氨氧化活性没有受到明显的抑制。

For Nitzschia sp., the aggregation phenomenon was not obvious after treating with KMnO4 and ozone.

在矽藻方面，经过高锰酸钾和臭氧氧化后，矽藻凝聚现象的变化皆不甚明显。

By the research on Nitzschia sp. MD1, it got the ability of multi-adoption to extremely condition. MD1could growth both in seawater and fresh water and tolerate high alkalinity. It could hold the characteristic of high content of total lipid and EPA.

通过对MD1的研究，发现它有多重极端适应特性，如MD1可适应海水和淡水的生长环境，对高碱性环境的良好耐受能力，高的总脂含量和高EPA含量，并有大规模提升的空间发现。

The weight loss method, electrochemical impedance spectroscopy and surface analysis methods were employed to investigate the corrosion behavior of steel A3 under the combined effect of Streptomyces and Nocardia sp.

采用腐蚀失重法、电化学交流阻抗法和表面分析技术研究了A3钢在链霉菌和诺卡氏菌共同作用下的腐蚀行为。

Results showed that the combined effect of Streptomyces and Nocardia sp markedly increased the corrosion tendency of steel A3, decreased the impedance value and increased the corrosion current density of the electrode after 21 days of exposure.

结果表明，与单种菌相比，混合菌作用下试样表面的腐蚀倾向增大，阻抗值降低，腐蚀电流密度增加。

CD44~+CD24~ cells in MCF-7 increased after cultured in serum-free medium. The cancer stem-like cells in MCF-7 grew as clonal nonadherent spherical clusters. The percentage of CD44~+CD24~ cells reached up to 29.23% after cultured 3 weeks in serum-free medium.

结论SP检测与CD44~+CD24~细胞检测是目前乳腺癌干细胞检测的两种常用方法，但两者用于同一种乳腺癌细胞系中的检测结果并不一致，均有一定的局限性。

Bacillus subtilis str. B5423, Pseudomonas fluorescens str. Pf7-14, nonfluorescent pseudomonads str. P13 are antagonistic to rice sheath blight. Resistance to antibiotic is the character that was chosen to use to mark the strains in order to monitor the population dynamics of the strain on the surface of rice plant and to elucidate the mechanism of suppressing the diseases.

中文题名拮抗细菌的生态学及其对水稻纹枯病的抑制作用副题名外文题名 Ecology of biological control agents and their suppressive effect on rice sheath blight 论文作者李湘民导师许志刚教授苗东华博士学科专业植物病理学研究领域\研究方向植物病害生物防治学位级别博士学位授予单位南京农业大学学位授予日期2002 论文页码总数116页关键词纹枯病拮抗细菌水稻馆藏号BSLW /2003 /S435 /19 Bacillus subtilis B5423，Pseudomonas fluorescens Pf7-14，和非荧光假单胞肝菌Pseudomonas sp.P13是对水稻纹枯病菌有拮抗作用的三支细菌菌株。

The extraction condition and stability of brown pigment from oligotrophic bacteria Alteromonas stellipolaris sp. nov. collected from deep sea of the Antarctica are studied.

中文摘要：以分离自南极海洋的寡营养细菌所产的褐色素为试验材料，进行了该色素的提取和稳定性分析。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。