查询词典 virulent

Very virulent infectious bursal disease virus; full-length cDNA ; genomic B segment ; cloning and sequence analysis

鸡传染性法氏囊病病毒超强毒；病毒基因组cDNA ；全长基因组B片段；序列分析

Five mice of each group were challenged with 100 LD50 of Erysipelothrix rhusiopathiae virulent strain C43065 two weeks after the third immunization, and the specific antibody responses for SpaA was determined by indirect ELISA.

SDS-PAGE结果显示，采用GST Bind Resin纯化试剂盒和电洗脱法纯化得到了66 kDa的rSpaA-N和64 kDa的天然SpaA，蛋白含量分别为1.34 mg/mL 和1.26 mg/mL，而Western印迹结果表明rSpaA-N和纯化前后的SpaA具有良好的免疫反应性。

To investigate the effect of specific IgG antibody in re infected with homologous or heterogenic Plasmodium DBA/2 mice were infected by intraperitoneal injection with 1×10^6 virulent Py17XL parasitized erythrocytes.

目的 探讨特异性IgG抗体在同源和异种疟原虫再感染过程中的作用。

In order to keep consistent with GB 50235-97 "Construction and Acceptance Specification for Industrial Metal Piping Works" and SH 3059-2001 "General Regulation on Material Selection for Petrochemical Piping Design", this revision has only defined the extreme harmful medium as virulent medium, and, piping with the transmission hypertoxic levels of moderate harmful and gentle harmful medium is added in the application scope.

本次修订为保持与 GB 50235-97《工业金属管道工程施工及验收规范》和 SH3059-2001《石油化工管道设计器材选用通则》协调，仅将毒性程度为极度危害介质定义为剧毒介质，同时在适用范围中增加了输送毒性程度为中度危害和轻度危害介质的管道，并增补了有关施工及验收规定。

The high sensitivity and specificity of real time RT-PCR were shown by The test result, 10~7 of the diluted allantoic fluid infected by AIV can also be detected, and has no cross-reaction with common Avian virus and Avian vaccines, such as low virulent NDV and IB V vaccine.5 days after the broiler has been injected with AIV vaccine, no matter hypodermal or muscular injection, the real time RT-PCR has not found any AIV nucleotide, indicating the use of AIV vaccine has no effect on the test results.

在检测禽流感感染的尿囊液时，尿囊液稀释至10~(-7)仍可检出病毒核酸，荧光RT-PCR方法的特异性也很强，检测时与禽群常用的疫苗如新城疫弱毒疫苗、传染性支气管炎弱毒疫苗等均不出现交叉反应。

Day-old specific pathogen free chickens were inoculated intratracheally with lowly virulent E.coli and /or mildly pathogenic avian influenza virus.

SPF鸡经不同顺序、不同时间间隔人工感染MPAIV和E.coli173株(O4)后，对试验鸡的病死率和针对大肠杆菌不同抗原体液免疫应答水平等进行研究。

This project quests for a new route for synthesizing polyurethane not only with mild reaction conditions but also without environmental pollution basing on the fact that virulent phosgene used in the industrial process to produce isocyanic acid ester has badly been polluting the environment at present. And this project belongs to the research in basic application science.

本项目基于目前工业生产异氰酸酯过程中采用剧毒光气对环境造成严重污染这一事实，探索出了一种反应条件温和、无环境污染的新的聚氨酯合成路线，属于应用基础研究。

Moreover, monkeys inoculated with the nef free SIV developed marked resistance to the more virulent strain.

而且，猿猴接种过已去除&否因&的SIV后，会发展出明显的反抗力，可以反抗毒性强的SIV品种。

Moreover, monkeys inoculated? with the nef free SIV developed marked resistance to the more virulent strain.

而且，猿猴接种过已去除&否因&的SIV后，会发展出明显的抵抗力，可以抵抗毒性强的SIV品种。

Through DOT-blot hybridiztion the result indicated SA215 and SA215 were of the same distribution on animal ,simply planting the following trigeminal ganglion .21-day-old SPF pigs inoculated intramuscularly SA215 strain could be protected from being affected at day 28 after oronasal challenge-exposure with 106 PF.U high-dose virulent PRV Fa strain and at day 42 after i.m.

SAZ巧株lml接种21日龄健康仔猪(伪狂犬病和猪瘟检测阴性)，在接种后28天用10毕FU的PRV Fa强毒株进行滴鼻攻毒，42天用猪瘟强毒SM株血毒lml肌肉注射攻击，结果表明接种猪能抵御两次病毒攻击，而同条件下对照结果成立，表明SAZ 15株具有良好免疫原性。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷