excretion coefficient

例句：

1. 1.The excretion coefficient of this compound is very low, indicating that it is not easily absorbed by the body.
   这种化合物的排泄系数非常低，表明它不容易被身体吸收。
2. 2. The excretion coefficient of uric acid in urine can be used to assess kidney function.
   尿液中尿酸的排泄系数可以用来评估肾脏功能。
3. 3. The excretion coefficient of bile acids in bile can be used to assess liver function.
   胆汁酸在胆汁中的排泄系数可以用来评估肝脏功能。