蚊幼蟲 的英文怎麼說

中文拼音 [wényòuchóng]
蚊幼蟲 英文
mosquito larvae
  • 蚊 : 名詞[動物學] （蚊子） mosquito
  • 蟲 : 名詞1. （蟲子） insect; worm 2. （姓氏） a surname
  1. Effects of foods on the development of culex pipiens pallens and its susceptibility to insecticides

    食物種類對淡色庫蚊幼蟲生長發育和藥劑敏感性的影響
  2. Objective the bioactivity of twelve novel pyridine ring derivatives of podophyllotoxin were tested against 3rd instar larvae of culex pipiens pallens

    摘要目的研究新型吡啶類鬼臼毒素衍生物對3齡淡色庫蚊幼蟲的的毒殺活性。
  3. With its neurotoxic mode of action different from other larvicides, it can be used in rotation with other larvicides to prevent the development of resistance

    雙硫磷的滅殺作用模式是令蚊子神經中毒，可和其他不同的滅蚊幼蟲劑輪流使用，防止蚊子產生抗藥
  4. To that end, when it is necessary to resort to chemical control, the use of larvicides should always be the backbone of the programme with adulticides as a supplement only

    因此，當必要使用除害劑控制蚊患時，應以滅蚊幼蟲劑作為控制蚊患整體計劃的骨幹
  5. Since larvicides are directed at the most concentrated developmental stage of mosquitoes, they can provide very effective control and reduce the need for adulticides later

    顧名思義，滅蚊幼蟲劑是用來殺滅水中蚊子的幼蟲（俗稱孑孓） ，而滅成蚊劑則用來殺滅成蚊。
  6. It may be necessary to resort to adulticides when larvicide application cannot provide adequate and satisfactory control and the mosquito population reaches an annoying level and there is a threat of mosquito - borne diseases

    若使用滅蚊幼蟲劑不足以控制蚊患，而蚊子數量又達到非常滋擾的程度及
  7. When it is not possible to eliminate stagnant water that may become breeding grounds of mosquitoes, and there are no alternative methods of control, larvicides may be applied to the water bodies

    當積水無法清除並且成為蚊子滋生的溫床時，又沒有其他有效控制蚊患的方法，可將滅蚊幼蟲劑施放於水體。
  8. This metabolite appeared identical to one obtained from mosquito larvage exposed to isobenzan.

    這種代謝物似乎同從暴露到碳氯靈的蚊幼蟲所得到的一種物質一樣。
  9. Israelensis recombinants, which contained recombinants plasmid pmt4 and pmt9 respectively, were obtained by electroporation. the bioassay results showed that the recombinants b - pmt9 and b - pmt4 had toxicities both to resistant and susceptible c. quinqnefasciatus larvae during vegetative growth stage, having the lc ? o values similar to that of. fi. sssii - 1. however, the toxic levels of the final sporulated cultures of recombinants b - pmt4 and b - pmt9 differed, with a lcso value of 2 49mg / ml for b - pmt9 and little toxicity for b - pmt4 by using the plasmid pmt9, m txl gene from b. sphaericus was ligated with p20 and cytjaa gene, giving recombinant plasmid pmpx2

    含有pmt9和pmt4的大腸桿菌轉化子能表達產生mtx1毒素，發酵液對敏感和抗性致倦庫蚊幼蟲具有中度毒殺作用；含有pmt9和pmt4的蘇雲金芽孢桿菌轉化子b - pmt9和b - pmt4在營養體生長階段對敏感蚊幼和抗性幼蟲也具有毒性，毒力與野生型b . sss - 1相當，而不同轉化子在芽孢形成期的毒力因插入的mtx1基因轉錄方向不同而表現出差異，其中b - pmt4對目標蚊幼毒力極低（ lc _ （ 50 ） 10mg ml ） ，而b - pmt9對蚊幼蟲具有毒性（ lc _ （ 50 ） = 2 . 49mg ml ） 。
  10. As a consequense of eutrophication, chironomid larvae excessively propagates in water sources, such as reservoir and fresh lake, which induced the 1st instar larvae of chironomid in source water to enter drinking water treatment system

    水體富營養化使得搖蚊幼蟲在水庫、湖泊類水源中大量孳生繁殖，直接導致其可以在給水處理系統中出現。
  11. Larvicidal oil can provide effective control on both larvae and pupae as it basically kills by suffocating them

    蚊油基本上是令幼蟲及蛹窒息而死，是一種兼可有效防治蚊子幼蟲及蛹的滅蚊幼蟲劑。
  12. Study of killing and removal on chironomid larvae with oxidants in water treatment system

    給水處理過程中搖蚊幼蟲的氧化殺滅與去除
  13. Control of chironomidae larvae in water treatment by bacillus thuringiensis var. israelensis de barjac

    蘇雲金桿菌以色列變種防治水處理中搖蚊幼蟲研究
  14. Although there are no indications that these organisms pose a threat to public health, their presence is still not appreciated because most people associate the organisms with low hygiene

    盡管目前不能證實搖蚊幼蟲會威脅到公眾健康，但是人們常常把這些生物的存在和飲用水不衛生聯系起來，引起他們對水質信心的下降。
  15. This study attempted to settle the danger of chironomid larvae as to ensure drinking water security by two approaches : one is to research on physiology and ecology of chironomid larvae in order to provide basis data for the forecast of chironomid larvae and service to the departments of water supply for solving breaking - out of chironomid larvae ; the other is to effectively remove chironomid larvae from water by strengthening water treatment process as to attain the radical solution for the problem of chironomid larvae

    本研究旨在通過兩條途徑來解決給水處理系統中搖蚊幼蟲的威脅:一是研究搖蚊幼蟲的生理生態學特性，為搖蚊幼蟲的預測預報提供基礎數據，以指導水廠在其暴發期間採取應急措施;另一條途徑則是從改進與強化水處理工藝入手，研究行之有效的水處理工藝技術，達到使其被有效去除的目的。
  16. Conclusion based on the data obtained in this investigation, it is possible that the dissimilarity in the structure of the analogues leads to their different bioactivity

    結論12種新型吡啶類鬼臼毒素衍生物對3齡初淡色庫蚊幼蟲毒殺作用的差異可能與結構上的差異有關。
  17. Results from twelve novel pyridine ring derivatives of podophyllotoxin, three compounds 4. 4 、 4. 5 and 4. 6 have more higher toxicities than others, and the lc50 were 1. 66, 3. 96 and 1. 54 mg / l respectively

    結果12種新型吡啶類鬼臼毒素衍生物對3齡淡色庫蚊幼蟲的毒殺作用有明顯的差異，化合物4 . 4 、 4 . 5和4 . 6的毒殺作用明顯高於其它化合物。
  18. The success of larval control depends upon many factors such as the chemical ingredients and formulation of the selected larvicides ; the timing, rates and methods of application ; and the physical and environmental conditions

    使用滅蚊幼蟲劑防治蚊患的成效，取決于多項因數，包括所選用殺幼蟲劑的化學成分及配方、施放的時間、分量及方法、天氣情況，及周圍的環境等。
  19. Several researchers reported that chironomid larvae is difficult to inactivate using free chlorine at concentrations commonly used in drinking water utilities. in addition, the 1st instar larvae can easily penetrate sand filter and then goes into waterworks reservoir and municipal service pipe due to its motility

    1齡搖蚊幼蟲具有較強的游動性，可以穿透濾池進入到清水池中，由於常規的水處理消毒工藝對其難以有效地滅活，在我國一些大中城市的管網水中都曾發現過搖蚊幼蟲。
  20. Pesticides used for outdoor mosquito control can be broadly divided into larvicides and adulticides, depending on the stages of the mosquitoes to be treated. larvicides are intended for killing immature mosquitoes in their aquatic habitat while adulticides are intended for killing the flying adult mosquitoes

    戶外滅蚊用的除害劑大致可分為滅蚊幼蟲劑及滅成蚊劑兩類，使用哪一類，則視乎要對付的蚊子所處的生長階段而定。
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