virulent 中文意思是什麼

音標 ['virulənt]
virulent 解釋
adj. 形容詞 1. 有劇毒的,致死的,有毒害的。
2. 病毒的,致病性強的;惡性的。
3. 有惡意的,惡毒的。
adv. 動詞 副詞 -ly
  1. The virulent strains had a polysaccharide capsule and formed smooth colonies on agar medium.

    有毒菌株具有多糖莢膜它在瓊脂培養基上形成光滑的菌落。
  2. Finally, avirulent and virulent plant, bacteria of pseudomonas solanaceanim was investigated by chromatography. the result showed that there are two peaks when both bacteria was eluted, but their peak area ratio was quite different. when virulent bacteria was subject to chromatography after vibration by ultrasonic wave, both chromatographial behaviors of both avirulent and virulent pseudomonas solanaceanim were same basically, which showed a equilibrial peak and a eluting one

    最後,表徵了植物病原菌? ?青枯菌的強、弱致病菌株,結果顯示強、弱菌都有兩個洗脫峰,但峰面積比例有明顯的差異,強弱致病菌株經振蕩后,其色譜行為基本相似,表現為一個穿透峰和一個洗脫峰。
  3. Electron microscopy showed that virulent pseudomonas solanaceanim grown in gathering form and avirulent pseudomonas solanaceanim did in free form. so that two different monomers were estimated to comprise pseudomonas solanaceanim the research above will expand application of traditional hplc and deepen its potential in bacteria studying

    結合電鏡觀察,證明強致病菌株主要是以聚集形式生長,而弱致病菌株則以游離分散的形式生長,並可以推測青枯菌可能存在兩種不同的單體。
  4. In recent years, the outbreak of nd appear some new characters, it is reported that the amount of immunity defeat on nd increased, even chicks with high hi titer can be infected by ndv virulent strain. the gene - engineering vaccine is badly needed to control nd outbreak. so newcastle disease virus strain b95, a naturally avirulent and heat stable strain, was introduced from australia

    新城疫是國際獸疫局公布的16種烈性傳染病之一。近年來,新城疫的爆發出現了許多新特點,免疫失敗報道增多,甚至抗體水平較高的雞群也發病。為控制新城疫的爆發,急需研製基因工程苗。
  5. From dead chickens, one virrus was isolated by using eggs and chicken embryo fibroblast. lt was able to agglutinate chicken ' s erythrocytes and this heamagglutination could be inhibited by newcastle disease antiserum. this strain ' s biological property was tested by barren spot, cross - enutralization and cross - heamagglution inhibited and it was found that it was homological with the standard newcastle disease virus ( ndv ) virulent strain and avirulent strain but it had some diference with the standard strain

    本實驗採用spf雞胚及雞胚原代成纖維細胞,從河北省某雞場新城疫免疫抗體很高的病死雞的腦組織中分離得到一株病毒。此株病毒能凝集雞的紅細胞,並且這種凝集可以被特異性抗血清所抑制。
  6. A captive wildebeest calf was inoculated with virulent bovine blood.

    把活捉到的一頭犢角馬用有毒力的牛血液進行了接種。
  7. This commensal organism is part of the gastrointestinal tract flora and can become extremely virulent, often in the setting of immuno - suppression such as neutropenia, occult malignancy ( commonly caecal ) and poorly controlled diabetes

    這種(與人類)共生生物是胃腸道菌群的一部分,可以變得毒性巨大,通常發生於機體免疫受抑制,如中性粒細胞減少癥,隱蔽的腫瘤(一般如盲腸) ,或者控制不佳的糖尿病。
  8. Based on modeling of the resultant time - dose - mortality data, the estimates of lc50 for the culture against the aphid species were 3. 0, 1. 7, and 1. 2 cominia / mm2 on days 5 - 7 after exposure to conidial shower ; the estimates of lt50 dropped from 4. 6 days at the concentration of 4. 5 conidia / mm2 to 3. 2 days at 26. 3 conidia / mm2. all aphid cadavers exhibited typical pandora syndrome. thus, the millet culture of p. delphacis was highly virulent to m. persicae, suggesting an applicability of the easy and convenient millet culture method to entomophthoralean fungi

    用第1 、 5及9代黍米培養物對桃蚜2一3齡若蚜分別進行30min的單劑量抱子浴接種試驗,均表現很強的侵染力,各代培養物的實際接種劑量分別為25 . 2個抱子/ mmz 、 18 . 7個抱子/ mmz和21 . 0個抱子/ mmz ,對桃蚜的lt50分別為3
  9. Some virulent strains of pvx cause rugosity go the leaves even crinkling, called pvx crinkle.

    PVX的有些強毒株系引起葉子的粗縮甚至皺縮,叫做PVX皺縮。
  10. The highest antiviral litre of rpoifn - a was l l08iu / mi. the rpoifn - a protected pk - 15 cells against virulent hog cholera virus ( hcv ) infection in vitro

    Sds - page分析表明,構建的重組表達質粒pqe30 poifn在大腸桿菌jm109中表達的rpoifn占菌體蛋白總量的20 26 。
  11. Hc ( hog cholera ), the virulent infectious disease caused by hcv ( hog cholera virus ), had been controlled effectively by hclv strain vaccine in the country

    豬瘟是由豬瘟病毒引起的豬的一種病毒性傳染病。豬瘟兔化弱毒疫苗有效地控制了豬瘟在我國的急性發生和大流行。
  12. Newcastle disease is a highly contagious and economically most important disease of poultry. the disease also inflicts many other avian species. the disease varies in degree of severity ranging from mild, inapparent infecion to severe disease. based on the severity of the disease in chickens, the causative agent of the disease, newcastle disease virus ( ndv ), is divided into three pathotypes : ( 1 ) the lentogenic strains, which cause mild inapparent infection ; ( 2 ) the mesogenic strains, which cause mild respiratory symptoms with low mortality ; ( 3 ) the velogenic strain, which are highly virulent and cause high mortality

    新城疫( newcastledisease , nd )是由新城疫病毒( newcastlediseasevirus , ndv )引起的侵害禽類的急性高度接觸性傳染病,是家禽傳染性疾病中危害最嚴害的疫病之一,由於對世界養禽業危害極大,故被國際獸疫局確定為類傳染病。在傳染性疾病的預防中,疫苗是減少易感人群而被最廣泛採用和最有效的途徑。
  13. It is also more virulent because the inoculum required for septicum to cause an infection is ~ 300 times lower in mice compared with perfringens

    小鼠實驗證實梭狀芽孢桿菌比產氣莢膜桿菌的毒性更強,因為前者造成感染的接種量僅為後者的約1 / 300 。
  14. Most virulent opposition came from the irish americans.

    最惡意的反對來自愛爾蘭裔美國人。
  15. Computer viruses act like biologics in the way they can be set off : they can be virulent from the outset of the infection or they can be activated by a specific event ( logic bomb )

    計算機病毒的傳播行為與生物病毒極其相似:它們可能從開始感染時就是致命的,可以被某些特定的事件所引發(邏輯炸彈) 。
  16. Both these are virulent phages, meaning that whenever a phage particle attacks a bacterial cell that cell is inevitably killed.

    它們都是烈性噬菌體,也就是說這種病毒顆粒一旦侵襲細胞,細胞就必然死亡。
  17. His virulent opposition to zionism reassured the radicals.

    他以惡毒的語言反對猶太復國主義,這使激進分子放心。
  18. Some virulent strains of pvx cause rugosity go the leaves even crinkling, called pvx crinkle

    Pvx的有些強毒株系引起葉子的粗縮甚至皺縮,叫做pvx皺縮。
  19. Did i not read in a newspaper, signed by you, a passage of the virulent little organism of saliva ?

    由您署名的一篇關于唾液致病力強的微生體的文章,我不是已從報紙上拜讀了嗎?
  20. Pseudorabies virus ( prv ) is the causative agent of aujeszky ' s disease, which results in significant losses in pig husbandry. thymidine kinase ( tk ) gene is one of the main virulent genes of prv, and it is essential to the propagation of prv in the nerve tissues, but dispensable for virus replication and infection in other tissues

    偽狂犬病是由偽狂犬病病毒( pseudorabiesvirus , prv )引起的家畜和多種野生動物的一種以發熱、奇癢、呼吸和神經系統疾病為特徵的急性傳染病,妊娠母豬可發生死胎和流產,是危害養豬業的一個重要傳染病。
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