Difference between BOD and COD | BOD Vs COD | permissible limit of BOD and COD | water treatment |
18:12
Chemical oxygen demand | COD | Calculation of COD | Chemical oxygen demand in hindi |
16:24
Biological Oxygen Demand | BOD | Calculation of BOD | Significance of BOD in Hindi | Water testing |
13:16
Relationship between TDS and Conductivity of Water || TDS Vs Conductivity || Water Properties ||
7:42
STP Plant Working Process In Hindi | What is STP ETP WTP & MBBR, MBR Sewage treatment plant ! Gaurav
13:13
Difference between BOD and COD | BOD Vs COD | permissible limit of BOD and COD | water treatment |
17:57
Biochemical Oxygen Demand (BOD): Explained details (Animation)
20:56
Peu de gens connaissent ce secret des pièces de monnaie ! Très utile
3:15