1) Incidences of lethal VF
致死性VF发生率
2) 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。
3) 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。
4) 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。
5) mortality
[英][mɔ:'tæləti] [美][mɔr'tælətɪ]
致死率
1.
Its mortality is a biomonitoring criterion which indicates the degree of pollution.
采用野生型秀丽小杆线虫与带有hsp16启动子的转基因虫株分别对厦门岛附近5个站位的表层水样污染程度进行了监测,并将致死率和染色率的检测结果进行比较。
2.
The effects of UV-B radiation on the mortality and ingestion and filtering rate of adult females and males of Schmacheria inopinus by exposure to varying dose of UV-B irradiance were examined in the laboratory.
探讨UV-B辐射增强对海洋生态系统的影响,通过实验生态学的方法,研究了UV-B辐射对指状许水蚤(Schmacheria inopinus,Burckhardt)雌雄成体的致死率、摄食率和滤水率的影响。
3.
44%(62/180),the mortality was 45.
44%(62/180),致死率为45。
6) Death rate
致死率
1.
The results showed that the death rate was above 99% to the larva of drosophila melanogaster under the conditions of laser power of(60 mW) and irradiation time of(1282 s,) with semiconductor laser at wavelength of.
结果表明,用波长为650 nm的半导体激光照射果蝇幼虫,在功率60 mW,照射1282 s条件下,果蝇幼虫的致死率可达到99%以上,且体重降低、羽化延续时间缩短,激光对果蝇幼虫具有较强生物学致死效应。
补充资料：低出生体重儿发生率
低出生体重儿发生率
指某地区年内每100名活产数中，出生体重低于2500g的新生儿发生数之比值。其计算公式为：低出生体重儿发生率＝〓〓某年某地区出生体重〓〓低于2500g的新生儿数〓〓年内该地区活产数〓〓×100%出生低体重儿有因孕龄低，而体重与孕龄相符，其预后与早产儿相似。有孕龄达足月而体重低于2500g者为足月低体重，其预后常不同于早产儿。足月低体重儿死亡率常较早产儿低，即使存活者其智力发育也常较慢，不如早产儿存活者。
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