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- high virulent strain 强毒株
- Screening and biological control of high virulent strains against Monochamus alternatus adults 松褐天牛成虫高毒力病原真菌筛选及林间感染试验
- Highly virulent strain 强毒株
- ISOLATION AND IDENTIFICATION OF A HIGH VIRULENCE STRAIN OF NEWCASTLE DISEASE VIRUS AND ITS PREVENTION 鸡新城疫超强病毒株的分离鉴定与免疫研究
- Health experts are worried that a new, more virulent strain may be to blame. 卫生专家考虑这归咎于一种毒力更强的新菌种。
- The mice in immunized group could be partly protected against challenge infection of highly virulent PRV Su strain at 2x105 PFU per mice. 然后以PRV-Su强毒株按2x105 PFU/只的剂量进行攻毒试验,结果免疫组小鼠能部分地获得保护。
- Screening of the Highly Virulent Strains from Symbiotic Bacteria and the Adversity Resistance 共生菌高毒力菌株的筛选及其抗逆性的研究
- But she would like to start a conversation about why the United States seems particularly vulnerable to such a virulent strain of anti-intellectualism. 但她想要展开一段对话,讨论美国为何似乎特别容易感染反智传统的有毒菌株。
- The results of biological characterizations demonstrated that 13 isolates of virus are high virulent Newcastle disease viruses. 13株病毒的生物学特性测定实验结果证明该13株病毒均为新城疫病毒强毒株。
- In recent years, the occurrence frequency of high virulent races of indica and japonica races increased, and that of low ones were decreased. 近年来致病性强的籼型小种及粳型小种强致病类群出现频率增加,弱致病类群频率下降。
- The nucleotide sequence homologies of the prevalent virulent strain with China strain, with Brescia strain and with Alfort strain were 81.9%, 83.4% and 83.5% respectively. 结果表明 ;该猪瘟流行毒株的E2核苷酸序列与C株、Brescia株和Alfort株的E2核苷酸序列同源性分别为 81.;9%25、83
- Its mortality rate, in its most virulent strains, is 90%. 最致命的病毒株引起的死亡率达到90%25。
- The aim was to screen the strain with high virulence against Dysmicoccus Brevipes and provide the scientific basis for the field control of D. 摘要[目的]筛选对菠萝粉蚧有高毒力的菌株,为菠萝粉蚧的田间防治提供科学依据。
- However, between two isolated strong virulent strains, there was a low homogeneity of 88.2% in nucleotide, and there was a high homogeneity of 93.9% in amino acid residue. 两分离株核苷酸序列同源性较低;为88.;2%25;但氨基酸序列同源性较高;为93
- Chickens were challenged with 30 LD50 NDV virulent strains at 35 day-old. 35d龄则用30LD50的NDV强毒进行攻毒保护试验。
- The ICPI in 1-day-old chickens was 1.51,MLD in chicken embryos was 10 -8 ,MDT was 46.2 h,EID 50 in chicken embryos was 10 -10.1 .According to the provided criterion,the results indicated that the avian NDV isolated strain be a virulent strain. 该新城疫病毒分离株对 1日龄雏鸡脑内接种致病指数 (ICPI)为 1.;5 1;鸡胚最小致死量 (MLD)为 10 -8;平均死亡时间 (MDT)为 46
- The cells were infected by Legionella virulent strain AA100 of different growth phase and its growth and replication status in monocyte-macrophage cells and neutrophils were compared. 用不同生长时期的军团菌毒力株AA100,感染诱导分化成功的单核巨噬细胞和中性粒细胞,并比较其在巨噬细胞和中性粒细胞中的生长复制状况。
- The virulent strains had a polysaccharide capsule and formed smooth colonies on agar medium. 有毒菌株具有多糖荚膜它在琼脂培养基上形成光滑的菌落。
- These are stronger, more invasive viruses which are not recommended unless you have this highly virulent form of IBD. 这些都是毒力强些的疫苗,不建议使用毒力再强些的疫苗除非有这种高致病力的IBD存在。
- Use of stronger live IBD vaccines are probably justified for this highly virulent form. 使用毒力强些的IBD活苗也许可以应对这种高致病型的IBD。
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