acid water bath的用法和样例：
- Methods: analgesic test with water bath, writhes induced by acetic acid, tickling induced by histamine and capillary permeability increase tests were applied.
- After the sample is dissolved by CC14, the starch in the sample is allowed toenter into water phase by heating and refluxing with a dilute acid in the water bath.
- Lime is a common neutralizing reagent used in acid water treatment.
- Microwave, water bath and ultrasonic extraction were employed to extract the polysaccharide from Pyrus Betulaefolia Bge. leaf and anthrone-sulphuric acid colorimetry was used to determine its content.