1) EC 50
EC50
1.
The inhibition of toxicant and the value of EC 50 is calculated from nitrifying bacteria's oxygen uptake rates with ATU as its selective inhibitors.
本文描述了一种利用硝化细菌快速、灵敏的检测急性毒物的方法 ,该方法将ATU作为亚硝酸细菌的选择性抑制剂 ,通过测定硝化细菌的耗氧速率来反映毒物毒性作用的大小 ,同时测定毒物的EC50 值。
2.
The toxicity (EC 50 ) of sixteen alkyl phenolic compounds to photobacterium phosphoreum was determined.
用发光菌 (明亮发光菌T3 变种 )对 16种烷基酚进行了毒性测试 (EC50 ) ,并利用分子连接性指数、辛醇 水分配系数及电子参数进行毒性预测 ,在实验基础上获得有效的估测模式 ,并对活性作用机制进行了探
3.
Objective To determine the effects of age on the 50% effective dose(ED 50) and 50% effective concentration(EC 50) of propofol for hypnosis in Chinese.
目的 测定国人丙泊酚麻醉诱导时患者呼之不应的 5 0 %有效剂量 (ED50 )和 5 0 %有效浓度 (EC50 ) ,并确定年龄对ED50 和EC50 的影响。
2) EC_(50)
EC50
1.
The most toxic compound is 1,2-dinitrobenzene (lg 1/EC_(50) is 5.
采用OECD标准方法测定了40种取代芳烃化合物对绿藻的48h急性毒性,毒性最强的是邻二硝基苯,其lg1 EC50为5 04;毒性最弱的是苯酚,其lg1 EC50仅为2 46。
2.
Objective: To determine the influence of age on ke0 and EC_(50) of propofol when MAP was regarded as the index of effect.
目的 :确定以MAP作为效应指标时 ,年龄对丙泊酚效应位的消除速率常数 (ke0 )和 5 0 %最大效应的效应位浓度 (EC50 )的影响。
3.
The outcome showed that the EC_(50) was 798.
结果表明:二甲四氯对小麦种子芽长的72 hEC50为798。
3) 15min EC 50
15min-EC50
4) Median effective concentration(EC50)
有效中浓度(EC50)
5) median effect concentration(EC50)
半效应浓度(EC50)
6) EC value
EC值
1.
[Result] The results showed that the content of water-soluble salt and EC value in greenhouse soil was significantly higher than in the open field, and the content of tot.
[结果]大棚土壤中水溶性总盐含量与电导率(EC)比露地蔬菜土壤明显增高,且随栽培年限的延长总盐含量与EC值逐渐升高,水溶性总盐与EC值在0-10cm土层呈线性正相关,R2=0。
2.
The results suggested that EC value was decreased, micro organism community was improved obviously; the rate of withering was reduced; the growth of cucumber was promoted, the obstruction of plastic house soil was released under three treatments.
试验结果表明 :3种处理下 ,土壤全盐含量 (EC值 )均下降 ,微生物区系得到明显改善 ,黄瓜枯萎病减轻 ,促进了黄瓜生长发育 ,达到了缓解大棚土壤连作障碍的目的。
3.
92,which shows that the soil is alkaline;②The average pH value of the 0~10 cm surface layer soil from Fuyang Road and the 10~30 cm surface layer soil from Shouchun Road are close to the pH value of the control,however,the average pH value of the other soil samples is significantly higher than that of the control;③ The average EC value of the soil is from 21.
92,表现为碱性;②除寿春路和阜阳路0~10 cm表层土样、阜阳路和蒙城路10~30 cm深层土样的pH平均值,与对照土样的pH值比较接近外,其他土样pH平均值都明显高于对照样的pH值;③除了芜湖路0~10 cm表层土样、蒙城路和芜湖路10~30 cm深层土样的EC平均值与对照样比较接近外,其他的土样EC平均值都比对照土样的EC值高出21。
补充资料：EC50
分子式：
CAS号：
性质：一个杀菌剂能抑制50%孢子萌发的药剂浓度。衡量药剂对生物体毒力或抑制病原菌扩展速度大小的指标。
CAS号：
性质：一个杀菌剂能抑制50%孢子萌发的药剂浓度。衡量药剂对生物体毒力或抑制病原菌扩展速度大小的指标。
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参考词条