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1·Determine the serum antibody concentration of mice by RIA and calculate ED50 and relative potency.

放射免疫法检测免疫小鼠血清抗体浓度，计算ed 50和相对效力。

2·The relative potency of national TSH standard to 2~(nd) international reference preparation was 0.942. However, there was some difference between each immunoassay methods.

TSH国家标准品与第2次国际参考制剂的相对效价为0.942。 然而，在不同的免疫分析方法之间存在一定差异。

3·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。

4·TCDD, the most toxic member of the family, is used as reference compound, and all other dioxins are assigned a toxic potency relative to TCDD, based on experimental studies.

TCDD在这个家族中毒性最强，被用作参照物，所有其它二恶英均根据实验研究确定相对于TCDD的毒性。

5·The results indicated that IARC classification was based on sufficiency of evidence and was not relative to carcinogenic potency.

结果发现IARC分类和机理分类与致癌强度无显著的相关。