氧含量/(mg/L)	0 d	1 d	7 d	15 d	30 d	60 d	90 d	120 d	180 d
≤0.5	23.69	31.39	46.78	59.86	64.73	77.88	82.66	84.85	87.38
0.5 < O₂ < 1.0	24.17	27.18	50.45	47.48	59.24	74.05	78.64	80.98	83.47
1.0	23.95	34.53	47.95	63.54	68.43	79.80	82.25	82.95	84.67
1.5	23.83	29.82	50.22	50.52	60.51	73.41	82.06	84.93	87.31
饱和氧	23.85	34.27	45.41	51.49	62.28	76.21	78.09	85.23	87.69