median lethal time

[ˈmi:di:ən ˈli:θəl taim]
  • 释义

    半数致死时间;

数据更新时间:2026-05-22 21:45:00
1、

The most virulent strain was screened out after evaluated by the indices of mortality, infection rate and the median lethal time ( LT50).

以桃蚜的校正死亡率、感染率及致死中时(LT(50))为指标综合评价不同菌株毒力。

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2、

The median lethal time ( LT50) of the GV was shortened with the increase of the virus concentration and the decrease of the larval instar, during which the GV was fed.

幼虫饲毒后,致死中时(LT(50))随病毒浓度提高而缩短;随饲毒时虫龄的增大而延长。

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3、

Median lethal time, mean lifespan and mean maximum lifespan of drosophila fed with different concentration of ponceau 4R were lower than those in control groups dominantly ( P < 0.05 or P < 0.01) in survival experiment, and a dose-response relationship was shown.

生存试验中各浓度组雌雄果蝇的半数死亡时间、平均寿命及平均最高寿命均较对照组缩短(P<0.05或P<0.01),且存在剂量-反应关系。

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4、

The median lethal time ( LT_ ( 50)) of P_ ( f) NPV to the larvae was shortened with the increase of the viral concentration.

各测试浓度下致死中时间(LT(50)为3.43-5.14天,随病毒浓度提高而缩短。

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