致弱活毒 的英文怎麼說

中文拼音 [zhìruòhuódú]
致弱活毒 英文
modified live virus
  • 致 : Ⅰ動詞1 （給與;向對方表示禮節、情意等） deliver; send; extend 2 （集中於某個方面） devote （one s ...
  • 弱 : Ⅰ形容詞1 （氣力小; 勢力差） weak; feeble 2 （年幼） young 3 （差; 不如） inferior 4 （接在分數或...
  • 活 : Ⅰ動詞1 （生存; 有生命） live 2 [書面語]（救活） save （the life of a person）:活人無算 （of a goo...
  • 毒 : Ⅰ名詞1 （對生物體有害的性質或物質; 毒物） poison; toxin 2 （毒品） drug; narcotics 3 （姓氏） a s...
  1. The comparative analysis of sequences indicated that the sequences of meq in different pathotypes are relatively conserved and the homology of the amino acid sequences is very high. the significant differences include two mutations in both mdv - 1 vaccine strains cvi988 / rispens and 814 strain : the deletion of a proline ( no. l93aa ), and this mutation is just exactly located in a 15 - amino - acid ( eelcaqlcstppppi ) repeat sequence within the c - terminal transactivation domain of meq protein ; and a point mutation with a shift from alanine ( a ) of all virulent strains to serine ( s ) was occurred on the no. 71 aa

    結果發現， mdv不同致病型的meq基因序列相對比較保守，它們相互間核苷酸和氨基酸序列的同源性均很高；但是，與所有七個致瘤性的mdv毒株相比，二個型弱毒疫苗cv1988 rispens株和814株均出現了兩個特徵性的突變：即第194位的p缺失性突變和第71位氨基酸由a變成了s的位點突變；缺失性突變恰恰位於meq基因中轉錄激活域內的一個多脯氨酸的重復序列（ pppp ）之中。
  2. This thesis mainly studies the drawbacks of the internet cafe in macau and the reason of which, lists out the adverse effects brought about to the youths by the unregulated internet cafes, including damage on health, environmental safety, crime commission, and also leads to psychological health damage. this is because in the virtual internet world, youths live in virtual environment which easily leads to youths closing up themselves at human relationship, thus resulting in isolation on family and social relationship and generating lonely character ; in addition, youths have weak sense of self control and self protection, they lack the ability to prevent danger. once they indulge themselves in the internet cafe overnight for long, this will cause great damage to their academic performance, health and thinking, the internet cafe becomes youths " " nursery bed of crime ", and " electronic cocaine " that harms them

    本論文主要探討澳門現行網吧之弊端以及其產生之原因，羅列無規管的網吧給青少年帶來身體健康的傷害、環境安全的侵害、違法犯罪的危害外，還會導致心理健康的損害；因為，在虛擬的網路世界中，青少年活在虛構的環境下，容易造成人際關系的封閉，引致親子關系及人際關系的疏離，使青少年養成孤僻性格，加上自我控制能力和自我保護能力意識薄弱、危險防預能力缺乏，一旦通宵達旦沉湎於網吧，對其學業、健康和思想造成很大的危害，更成為青少年「罪惡的溫床」 ，荼毒青少年的「電子海洛因」 。
  3. The result further proposed that different genotypes of ndv had not directed the antigenic changes of f protein, the most important protein of ndv in the protective immune response of the fowls. protective efficacy difference among various genotype ndv vaccines of different origin was studied. except the vaccine strain lasota ( genotype ii ), the challenge strain f48e8 in china, the ndv strains tested were isolated from nd outbreaks in chickens, gooses, and pigeons

    通過不同來源不同基因型（亞型） ndv滅活苗與常規疫苗（包括lasota弱毒活疫苗和滅活疫苗）的免疫保護效力的比較，證實了所有疫苗均能激發機體產生抗不同基因型ndv的抵抗力， hl抗體變化都具有一個抗體滴度迅速上升的過程，動態特徵除lasota弱毒活疫苗組有些不同外相當一致。
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