共 50 条
- [21] DIRECT-FILTRATION - POLYMER IN BACKWASH SERVES DUAL PURPOSE JOURNAL AMERICAN WATER WORKS ASSOCIATION, 1982, 74 (08): : 426 - 428
- [22] REMOVING GIARDIA AND CRYPTOSPORIDIUM BY CONVENTIONAL TREATMENT AND DIRECT-FILTRATION JOURNAL AMERICAN WATER WORKS ASSOCIATION, 1995, 87 (09): : 96 - 106
- [23] DESIGN AND OPERATION OF A 200-MGD DIRECT-FILTRATION FACILITY JOURNAL AMERICAN WATER WORKS ASSOCIATION, 1974, 66 (02): : 127 - 132
- [24] TESTING DIRECT-FILTRATION FOR THE TREATMENT OF HIGH-TURBIDITY WATER JOURNAL AMERICAN WATER WORKS ASSOCIATION, 1993, 85 (12): : 39 - 46
- [25] LOW-DOSAGE HIGH-RATE DIRECT-FILTRATION JOURNAL AMERICAN WATER WORKS ASSOCIATION, 1982, 74 (05): : 256 - 261
- [26] FACTORS THAT AFFECT USE OF DIRECT-FILTRATION IN TREATING SURFACE WATERS JOURNAL AMERICAN WATER WORKS ASSOCIATION, 1982, 74 (05): : 234 - 242
- [27] DIRECT-FILTRATION STUDIES AT TRAVERSE CITY WATER TREATMENT-PLANT WATER-ENGINEERING & MANAGEMENT, 1981, 128 (07): : 30 - 33
- [28] EFFECTS OF CATIONIC POLYELECTROLYTES ON THE REMOVAL OF SUSPENDED PARTICULATES DURING DIRECT-FILTRATION JOURNAL AMERICAN WATER WORKS ASSOCIATION, 1986, 78 (12): : 57 - 65
- [29] EXPERIENCE WITH DIRECT-FILTRATION AT ONTARIOS LAKE HURON TREATMENT-PLANT JOURNAL AMERICAN WATER WORKS ASSOCIATION, 1980, 72 (03): : 162 - 164
- [30] OPTIMIZATION OF COAGULATION CONDITIONS FOR DIRECT-FILTRATION OF IMPOUNDED SURFACE-WATER JOURNAL OF WATER SUPPLY RESEARCH AND TECHNOLOGY-AQUA, 1995, 44 (02): : 93 - 102