lethal time

Study on Heat Lethal Time of Different Cultivars of Cucumber under High Temperature Stress

在高温逆境条件下黄瓜热致死时间与耐热相关性的研究

However, the effect of Berberine to prolong lethal time induced by Ouabain is less effective than Sodium Phenytoin, Quinidine and Propranolol.

但黄连素延长哇巴因对豚鼠的致死时间作用不及苯英钠、奎尼丁及心得安等药物。

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。

Fifty Percent Lethal Time of Anoxia and Protective Effect of Anoxia Preconditioning in Three Strains of Drosophila melanogaster

三品系果蝇的低氧半数致死时间和低氧预适应的保护作用

DEHP, DBP and DOP can shorten 50% Lethal Time ( LT50) of drosophila, apparently making its average longevity and average maximum longevity shorter;

DEHP、DBP和DOP可使果蝇半数死亡时间提前，并明显缩短果蝇的平均寿命和平均最高寿命（P<0.01）；

Tests of model coefficient indicated that pressure, temperature, time, and interaction between pressure and temperature were significant factors to lethal rate.

方差分析表明模型达到极显著水平，模型的系数显著性检验提示压力、温度、时间以及压力与温度的交互作用对致死率有显著影响。

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。

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。