4) lethality rate
致死率
1.
Study on the lethality rate of yeast 1254 and screening for high producing chromium-riched yeast strain by ultraviolet radiation;
紫外线诱变酵母1254的致死率及高产富铬酵母菌选育研究
2.
The mutagen amount used is 1%, when the mutafacient time is 50 minutes, this strain lethality rate is 75%.
以其作为出发株,得出了以硫酸二乙酯(DES)诱变该株的致死率曲线,诱变剂用量为1%、诱变时间为50min时,该株的致死率达到75%。
3.
Result proves that ultrasound frequency is higher in the same time, lethality rate increases with the increase of radialization time on the same frequency, at the same time, its physiological character changes.
试验结果表明,在相同的时间内,超声波频率越高对试验菌株的致死率越高;同一频率,超声波辐射时间增加也可使试验菌株的致死率增高,同时经过诱变处理后的菌株其生理生化特性也有变化。
5) lethal rate
致死率
1.
Based on experimental results,the response model of lethal rate was established,Y=62.
利用Design Expert软件建立了致死率的响应模型,Y=62。
2.
The lethal rate was increasing and the n.
4%秋水仙素的不同时间处理中,致死率随处理时间延长而增高,诱变植株数递减。
6) sterilization rate
致死率
1.
Relation between sterilization rate , voltage intensity and treatment time was studied .
实验中采取了芒刺-板型电极结构,测定了大肠杆菌致死率与电场电压、处理时间的关系。
2.
The sterilization rate is 98.
在极板间距D=3cm,电压20kV,处理时间45min的条件下,大肠杆菌的致死率达到98。
3.
The sterilization rate was 98.
在极板间距3cm,电压20kV,处理时间45min的条件下,大肠杆菌的致死率达到98。
补充资料：半数致死量
分子式：
CAS号：
性质：简称为半数致死剂量，又称致死中量，半数致死量，能使50%无防护人员(或动物)死亡的毒剂量。用符号LD50或Lct50表示。
CAS号：
性质：简称为半数致死剂量，又称致死中量，半数致死量，能使50%无防护人员(或动物)死亡的毒剂量。用符号LD50或Lct50表示。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条