24hrs

1

Group B was treated intermittently with SNP ( 12.5 ~ 75 mg / 24hrs );

B组为间断硝普钠治疗组，以硝普钠12.5～75mg／d，24小时间断静脉滴注；
2

Propulsion rates of mice small intestine were observed after administration of Dahuang ( Rheum palmatum ) in 1 、 6 、 24hrs .

观察了大黄给药后1、6、24h时对小鼠小肠推进的影响。
3

The qualitative detection limit of the personal monitor was 0.013mg / m3 ( 24hrs exposure ) . It can be widely used in studying on indoor air pollution and personal exposure monitoring .

本监测器最小可测浓度为0.013mg／m3（24h采样），可广泛应用于室内空气污染和个体接触量的监测。