次致死量 的英文怎麼說

中文拼音 [cìzhìsǐliáng]
次致死量 英文
sublethal dose
  • 次 : Ⅰ名詞1 （次序; 等第） order; sequence 2 [書面語] （出外遠行時停留的處所） stopping place on a jou...
  • 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 ...
  • 死 : Ⅰ動詞（失去生命） die Ⅱ形容詞1 （不顧生命; 拚死） to the death 2 （達到極點） extremely; to death...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 致死 : causing death; lethal; deadly
  1. Through cultivating the cochineal in 4 counties which belonging to tropical, south sub - tropical and mid sub - tropical zones, the life tables of the cochineal in each county are established and the survival percentage of each stage as well as the key factor of death in each climate type is studied. in the meantime, the sample of the cochineal of each county is collected to test the size, eggs and weight, through comparing these biological index, the best zones, better zones and other zones for cultivation of the cochineal are pointed out. on the basis of above study, the zones for cultivating the cochineal are marked out in yunnan province

    在雲南熱帶、南亞熱帶、中亞熱帶三個氣候類型下的4個縣（市）放養胭脂蟲，應用生命表技術，研究各氣候類型下胭脂蟲的存活情況並分析出各氣候類型下胭脂蟲的主要致死因子，同時，採集各地培育的胭脂蟲樣品測定蟲體大小、懷卵量及重量，通過比較這些生物學指標，得出胭脂蟲的最適生區、次適生區及適生區，並以此為依據，對雲南省胭脂蟲的培育進行了區劃。
  2. But he was famous for the number of times he miscalculated the distance, or his speed, or mistimed things, thereby meeting the asphalt with more than enough force to kill himself

    但是，人們對他所熟知的是，他曾或好幾次錯誤計算了要飛躍的距離或車速，或行為不合時宜，因此就造成落地的力量過大，足以導致自己死亡。
  3. About one hundred cattle were killed from a second infected herd on a farm about three kilometers from the first

    一個距離首次發現致病源的牧場3公里左右的牧場中，一群數量約為100的二次感染的牛群被處死。
  4. The results also indicated that the virulence of the most ibdv field collected in recent years was between the typical very virulent and standard virulent strains. a very virulent strain gx8 / 99 of ibdv was studied for its mortality in spf chickens and commercial egg - type chickens at different age inoculated with bursal suspension of 20 - 2000 eld50 in repeated experiments

    選擇致病性最強的來自廣西的gx8 99株，在對法氏囊懸液中病毒用雞胚半數致死量（ eld _ （ 50 ） ）定量測定后，在不同年齡的spf雞和商品代蛋用型塢多次重復地比較研究了該毒株的致病性。
  5. In original and jamming slightly vegetation, because dead roots, branch and leaves back to soil, soil organic matter higher, soil available phosphorus higher, too ; chemical and physical characters of soil were stabilization. the reason were original vegetation have more species and structure of community was stable. the degradation of fertility and structure of soil in secondary vegetation was influenced by change with structure and form of community

    在人為干擾小的原生性森林，植物種類豐富，群落結構穩定，植物死根系和枯枝落葉全部回歸土壤，土壤有機質含量高，養分呈有機態為多，故有效磷較高，土壤理化性質較穩定；次生植被群落土壤結構和肥力的退化是由於群落組成和結構的改變導致枯枝落葉成分和土壤發規白山地還小問沙消民俗一非定俗地征王卿喬忡旺w比收財育環境差異而引起，次生植被土壤的退化狀態隨植被退化程度不同而有差異。
  6. This coincided with an epidemic of highly pathogenic avian influenza, caused by the same strain, in hong kongs poultry population

    是次疫癥亦同時導致大量本地家禽受感染及死亡。
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