For PETROTECH Drilling Fluids Service 'mud system, the toxicity data (EC50 values) is as follow.
对于中海石油技术服务泥浆公司的泥浆体系，请看以下的毒性数据(EC50值)。
EC50 values of 14 nitroaromatic compounds to the enzymic activity of catalase of carp liver were measured in vitro.
在离体实验条件下，测定了14种硝基芳烃化合物对鲤鱼肝脏过氧化氢酶的半抑制浓度ec50值。
Through regression assaying, the root length and shoot length EC50 were made out respectively, and then compared the sensitivity of 2 grasses seedling to 30 pesticides.
通过回归分析求出不同农药对2种草坪草根长与茎长的EC50值；并把30种农药对2种草坪草的敏感性进行比较。
After many generations being treated with the chemical, the resistance is increased since the EC50 become higher and the growth of the pathogen on the chemical is improved.
经多代的多菌灵处理以后，其抗药性有所提高。表现为EC50的提高和在含多菌灵培养基上生长能力的增强。
To determine the motor block minimum local analgesic concentrations (EC50) of levobupivacaine and ropivacaine, and compare the relative potency of these drugs used in epidural space.
在分娩第一产程时测定左旋布比卡因和罗哌卡因的最小运动阻滞浓度(EC50)并对其运动阻滞效能进行比较。
To determine the motor block minimum local analgesic concentrations (EC50) of levobupivacaine and ropivacaine, and compare the relative potency of these drugs used in epidural space.
在分娩第一产程时测定左旋布比卡因和罗哌卡因的最小运动阻滞浓度(EC50)并对其运动阻滞效能进行比较。
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