Water with humic acid (HAW), water with acetone (AW), water with lower concentration of dissolved oxygen (LDOW) and pure water (PW) were respectively used to simulate the natural waters with different properties.

• 用含腐植酸的水样(HAW)、含丙酮的水样(AW)、低溶解氧含量的水样(LDOW)和纯水(PW)模拟了不同性质的天然水体。