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It is reported in this study that (1) two high enzyme-yeilding strains TK54 and T12 have been screened from four choleterol-secrecting experimental strains, he supernatant of which have been tested for insecticidal activity with the results showing that cholosterol oxidase can strongly inhibit the vigor of cotton boll worm.

本研究从4个分泌胆固醇氧化酶的实验菌株中，筛选出两个高产酶菌株TK54和T12，用其上清进行杀虫实验发现，胆固醇氧化酶具有较强的抑制棉铃虫生长的活性。

All of the P. multocida strains generated positive signal, and no cross-reaction was observed with non-P, multocida strains in the PCR detection.

结果表明：所有的多杀巴斯德氏菌标准菌株和分离菌株都能被检出，而全部39株非多杀巴斯德氏菌都没有扩增出特异性条带。

Result The three strains all produced the AHL signal molecules; the strains FML05-land FML05-2 produced two types of AHLs at least and the N-3-oxo-octanoyl-homoserine lactone was the predominant signal molecules. The production of siderophore and proteinase in FML05-2 were reduced by co-incubation with AHL degrader strain.

结果］3株菌均产生AHLs信号分子；菌株FML05-1、FML05-2至少产生两种AHLs分子，二者所产生的主要信号分子是N-3-氧代－辛酰基－高丝氨酸内酯(N-3-oxo-C8-HSL)；FML05-2与降解AHLs的菌株共同培养，发现嗜铁素的产量与蛋白酶活性明显下降。

First, For the coronary artery stent, two kinds of loads, including the pressure named 〓 derivatively from the balloon and the counterforce named 〓 on the wall edge of the stent, have been taken into account in the analysis of the stent.〓 and 〓 were changing as the stent expanding. So, the expansion process of the stent could be considered as the process composing of many extremely short equilibrium processes, where 〓 and 〓 could be regarded as constants and the stresses, the strains and the displacements were obtained using NFEA in every processes. Then, the stresses, the strains and the displacements obtained in every processes or steps were added up to get the final structure of the coronary stent.

首先，解决了支架有限元分析的载荷非线性问题，认为医用心血管支架受到两种载荷的作用：球囊直接传递的压力〓和球囊对不锈钢支架丝壁边缘的反作用力〓，这两种载荷在支架分析中必须都考虑进去；〓为非线性载荷，随着支架扩张不断变化，处理时将支架扩张的整个过程看成由37个很短的平衡过程组成，在每个过程中取〓为常量，采用有限元法获得应力、应变、位移，最后将各过程的应力、应变、位移迭加起来就获得了不锈钢支架总的应力、应变和位移；本研究用变分法和有限元法模拟杆件拉伸证明了上述方法是合理的。

Sequences analysis revealsthat these 54 strains have as high as a 99% similarity in 16S rRNA gene level. Allthese 54 strains could be classified into six subgroups according to six differentregions on full-length 16S rRNA gene. Even if the regional differences are not evidentto distinguish B. thuringiensis from B. cereus, however the data of the 16S rRNA genesequences will serve to broaden the database for Bacillus, and provide someinformation for the classification of genus of Bacillus. Additionally, seven B.

本研究利用通用引物，对54株苏云金芽胞杆菌和蜡状芽胞杆菌的16S rRNA基因进行测序，并对所得到的序列进行简单的分析，发现苏云金芽胞杆菌和蜡状芽胞杆菌的16S rRNA基因的相似性很大，大约为99％，在其全长含有6个区域的不同，根据这6个区域将Bt和Bc分成6个亚群，而Bt和Bc在不同亚群之间交替存在，说明16S rRNA基因上的差异不足以区分Bt和Bc。

The pathogenicity of 19 strains of Alternaria alternata isolated from Eupatorium adenophorum was studied. 5.8S rDNA, ITS1 and ITS2 sequences of 22 strains from crofton weed and other plants were analyzed.

对分离自紫茎泽兰的19个链格孢菌菌株的致病性进行了比较研究，并对这19个菌株和其它来源的3个菌株的5.8S rDNA及其两侧的ITS1区和ITS2区进行了序列分析。

The specific activity of catalase in resistant and susceptible strains of red flour beetle, Tribolium castaneum, was mensurated, wherein distinct difference in the resistance to phosphine existed among the four strains.

比较研究了3个对磷化氢抗性有明显差异的赤拟谷盗Tribolium castaneum品系与敏感品系虫体内过氧氢酶的比活力。

Twenty two strains(14 bacteria and 8 actinomyces strains) of antagonistic microorganisms against Fulvia fulva were isolated from vegetable field soil.

从蔬菜地田间土壤中筛选出对番茄叶霉病具拮抗作用的22株菌株，其中14株细菌，8株放线菌。孢子萌发抑制试验表明，细菌X14菌株和放线菌F15菌株的发酵液及其离心后上清液对番茄叶霉病菌孢子萌发抑制率均达100%。

With rabbit antiserum against ECP of reference strain JEL4,ECPs of 25 Et strains were detected by Dot-ELISA; additionally,alI strains had been detected both on their virulent factor Excellular Products, including the hemolysin and extracellular protease, and on their pathogenicity to mice and Xiphophorus helleri.

以Et强致病株JEL4的胞外产物ECP为抗原制备兔抗血清，用于Dot-ELISA检测25株Et的ECP，同时对Et的溶血素和胞外蛋白酶进行检测，结合小鼠和剑尾鱼的致病性试验。

An efficient and rapidly method for strains screening was evaluated in this paper. New degenerate PCR primers were designed based on the homology of type n KS gene. PCR was used to screen the strains which include type Ⅱ ketoacyl synthase.

根据酮基合酶编码基因(ketoacyl synthase， KS)的同源性设计简并引物，并利用PCR技术快速筛选携带聚酮类化合物编码基因的放线菌菌株。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。