研究了温度对斜纹夜蛾的发育、存活、生殖、种群参数和种群趋势指数的影响。
Effect of temperature on development, survival, reproduction, population parameter and population trend index of Spodoptera litura (Fabricius) were studied.
目的：利用组织工程方法制备的神经组织替代物桥接大鼠坐骨神经缺损，观察移植体的存活时间和神经功能指数。
AIM: to transplant a tissue engineered nerve substitute was into the sciatic nerve injury gap of rats so as to observe the survival time and nerve function index of the transplant.
观察各组角膜移植术后排斥反应指数（RI）、植片存活时间（MST）和植片的病理变化。
The rejection index (RI), means survival time (MST) of corneal grafts, and histopathological changes in corneal grafts were recorded.
在研究者看来，拥有最高CCF指数的病人存活率反而有略微下降可能是由于研究样本量过小造成的。
According to the researchers, the slight drop in survival in people with the highest CCFs was likely due to the small sample size of the study.
测定了不同温度下莲雾毒蛾各虫态的存活状况，并就卵孵化率、幼虫存活率、蛹羽化率、产卵量和种群趋势指数等指标与温度的关系进行相关性分析。
The regression equations of the rates of hatching, larvae survival, emergence, the egg number laid by a female and population trend indices against temperatures were analyzed.
通过观察细胞病变效应，用噻唑蓝(MTT)比色法检测细胞存活率，以确定该药物治疗指数。
By means of observing cytopathic effect and adopting MTT colorimetric assay for cell survival rate, their therapeutic index was calculated.
采用四甲基噻唑兰(MTT)比色法测细胞毒性作用，并计算细胞的存活率利治疗指数(TI)。
MTT method was used to evaluate the cytotoxicity, and the cell viability and therapeutic index (ti) was calculated.
结果表明，中国梨木虱第一、第二世代种群的趋势指数分别为4．189和3．974； 世代的存活率分别为5．818％和5．52％。
The trend indices of population of 1st and 2nd generations were 4.189 and 3.974, the survival were 5.818% and 5.52%.
结果表明，中国梨木虱第一、第二世代种群的趋势指数分别为4．189和3．974； 世代的存活率分别为5．818％和5．52％。
The trend indices of population of 1st and 2nd generations were 4.189 and 3.974, the survival were 5.818% and 5.52%.
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