疫病
- 与 疫病 相关的网络例句 [注:此内容来源于网络,仅供参考]
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FMDV usually causes persistent infection or inapparent infection that can also occur in vaccinated animals following contact with the virus,which will influence the diagnostic techniques and the preventive measures that need to be taken.
口蹄疫病毒是小RNA病毒科口蹄疫病毒属的成员,该病毒感染动物尤其是反刍动物以后,会形成无症状的持续性感染或隐性感染,注射疫苗的动物当再次接触新病毒时,也会成为隐性带毒者,从而给口蹄疫的诊断和防制带来严重的影响。
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Several studies have put all this together to estimate the overall impact of a pandemic on economic growth. In 2006 Warwick McKibbin and Alexandra Sidorenko found in a study for the Lowy Institute for International Policy in Sydney that even a mild pandemic could shave 0.8% off world GDP.
一些研究把所有这些加在一起来估算一场世界性大规模疫病流行对经济增长的总体影响。2006年Warwick McKibbin和Alexandra Sidorenko在一项为悉尼Lowy国际政策中心所作的研究中发现即便是一场温和的世界性大规模疫病流行也可造成全球国内生产总值萎缩0.8%。
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Ten years wide investigation and research on the characteristics and pathogenicity of cryphonectria parasitica showed that, Cryphonectria parasitica existed widely in the distributing areas of Castanea mollissima, and that it belonged to weak parasite, only lived on the weak and dying branchs, sprouts, and soon. Cryphonectria parasitica was not main and direct death cause of Castanea mollissima, and the dead parts had no great influence on the growth of whole tree.
经过10余年对栗疫病发生特点和致病性的大量调查研究,结果表明栗疫菌在板栗分布区普遍存在,是弱寄生菌,在本地只寄生那些生长十分衰弱,即将死亡的板栗树干、苗木等,但栗疫菌的寄生不是这些部位死亡的主要和直接原因,而且它所寄生的部位局部死亡后对整株栗树的影响不大,因此,栗疫病在一般倩况下并非毁灭性病害。
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Therefore, the crude toxin of Phytophthora capsici can be used as selective agent in the following study.
由此表明,可用辣椒疫病病原菌粗毒素来进行辣椒抗疫病体细胞突变体筛选的研究。
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The disease index of tomato early blight was reduce gradually as the number of bacteria and antinomies increase.
4土壤微生物数量与番茄早疫病的发生有一定的关系,随着细菌和放线菌数量的增加,番茄早疫病的病情指数也相应减少。
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Not only damnifying of animal disease infect on the human life-demand, but also some disease of altogether trouble man and animal intimidated human health.
畜禽疫病造成的损失影响了人类的生活需要,而且某些人畜共患的疫病还给人类健康带来了严重的威胁。
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In the intensive pig farms, though sometimes the infection sources do not result in the plague, yet if they can not be disinfected and the environment can be not decontaminated in time, the causes in the environment will lead to assemble more and more, to the certain degree, they will cause the plague fad.
在规模化养猪中,尽管有时没有发生疫病,但如果不及时消毒、净化环境,达到一定程度时,就会引发疫病流行。因此,消毒是规模化养猪场兽医防疫工作中的一项重要工作,是预防和扑灭猪传染病的重要措施之一。
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Totally two strains of O serotype FMDV invasion occurred in Taiwan since 1997. The first invasion of FMDV occurred in March, 1997. It belongs to porcinophilic FMDV (O/Taiwan/97), the virus won't infect cloven-hoofed animals except pigs.
台湾从1997年以来有两株O血清型口蹄疫病毒株入侵,第一次在1997年3月,由亲猪型的口蹄疫病毒株(O/Taiwan/97)所引起,这株病毒不会感染猪以外的偶蹄类动物。
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These results suggested that bran lectin had direct and preventive effect against NDV infection.
提示,米糠凝集素具有直接抗新城疫病毒和预防新城疫病毒感染的作用。
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After PCR primer for FMDV and multiple PCR primers for type Asia I virus and differention of Cathay and PanAsia topotypes of FMD type O viruses were designed,the optimal conditions of RT-PCR and multiple RT-PCR were determined by comparing the products of PCR.
在大量比较国内外口蹄疫病毒流行毒株序列的基础上自行设计了检测FMDV通用型引物及FMDVAsiaI型、O型口蹄疫病毒不同基因型即:中国型与泛亚株的多重PCR引物。
- 推荐网络例句
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She gently rebuff ed him, but agreed that they could be friends
她婉言拒绝了,但同意作为朋友相处。
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If in the penal farm, you were sure to be criticized.
要是在劳改农场,你等着挨绳子吧!
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Several theories about reigniting and extinguishing of the arc have been refered.
本文综合考虑了几种电弧重燃和熄灭理论。