查询词典 avirulent

The acute toxicity test indicated that OHSP of LD was big than 15000 mg/kg, it was showed that OHSP was safety and avirulent substance.

急性毒性试验中的LD50大于15000mg/kg，说明动物长期服用口腔保健精是安全无毒的。

Suppression subtractive hybridization was used between virulent strain HA9801 and avirulent strain 12. Five fragments of putative virulent genes were found by this method.

并采用抑制性差减杂交的方法对2型毒力菌株所携带的差异基因序列进行了研究，发现了5个新的可能的毒力基因。

From the cross with P131, 24monoascospore progenies were obtained, 10 of them were avirulent and 14 virulent to Tsuyuake.

因此，将杂交组合产生的杂交后代接种在这4个品种上，以确定稻瘟菌控制对这些品种无毒性的遗传位点数。

As environmental protection idea increasingly thorough popular feeling, whether is the family is decorated avirulent hurtless safety is decorated, environmental protection is decorated, green is decorated more and more get the attention of people.

随着环保观念日益深入人心，家庭装修是否是无毒无害的安全装修、环保装修、绿色装修越来越受到人们的关注。

Objective To study the role of mLT63, an avirulent mutant of heat-liable E. coli enterotoxin, as an adjuvant in intranasal immunization and compare with that of CpG-ODN.

目的 研究大肠杆菌不耐热肠毒素无毒突变体mLT63和CpG-ODN鼻内免疫对抗原的佐剂效应。

Because do not have chemical composition completely remain, avirulent, and the limitation that does not have rudimental period, so, apply to green food production, organic agriculture and collect close period still need to continue the crop of gush medicine.

因无化学成分残留、完全无毒，且没有残留期的限制，所以，适用于绿色食品生产、有机农业和采收期仍需继续喷药的作物。

The full F gene was sequenced and compared with the published sequences of virulent and avirulent strains of NDV in GenBank database.

根据分离株序列与GenBank中NDV相关毒株序列比较分析，结果表明，所分离的6个分离株归属为3个NDV基因型，其中有基因Ⅶd亚型（3株）、基因Ⅵ型（2株）和基因Ⅲ型（1株）。

Significance and Impact of the Study: Vibrio alginolyticus is implicated in severe vibriosis of marine aquaculture systems although many strains are avirulent and could be used as probiotic strains.

本研究的意义以及影响：尽管许多溶藻弧菌是无毒菌株，甚至有的可以用作益生菌，它还是在水产养殖里引起了严重的弧菌病。

For example: Use " effect a radical cure, eradicative, do not rebound, medicine is divided to disease, the national level, most advanced science, whole world the first, take disease of a few period of treatment devoid, invalid refund, avirulent side-effect, free try out, insurance company is safe " wait for diction.

使用&根治、根除、不反弹、药到病除、国家级、最先进科学、全球第一个、服用几个疗程病症全无、无效退款、无毒副作用、免费试用、保险公司保险&等用语。

Systematic infection of mice is used as a model to test the virulence of several mutants. According with their ability to form hyphae, nonfilamentous mutant is avirulent, and hyphae defective mutants have decreased virulence.

用系统感染小鼠模型分析这些突变株的致病能力，同它们形成菌丝的能力相一致，野生菌的致病能力最强，形成菌丝弱的突变株致病能力也减弱，不能形成菌丝的cph1 efg1突变株和crk1则无毒性。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。