The effect of pH and selected chemical variables on the reproductive cycle of Oreochromis mossambicus The effect of pH and selected chemical variables on the reproductive cycle of Oreochromis mossambicus
An experimental study of flow over artificial bed forms An experimental study of flow over artificial bed forms
Flood-associated mass mortality of fishes in the Sunday Estuary Flood-associated mass mortality of fishes in the Sunday Estuary
Use of a simple titration procedure to determine H2CO3 alkalinity and volatile fatty acids for process controle in waste-water treatment Use of a simple titration procedure to determine H2CO3 alkalinity and volatile fatty acids for process controle in waste-water treatment
Assessment of acids as desorbents of metal ions bound to sludge surfaces Assessment of acids as desorbents of metal ions bound to sludge surfaces
Secondary settling tanks modelling and design Part 1: Review of theoretical and practical developments Secondary settling tanks modelling and design Part 1: Review of theoretical and practical developments
Secondary settling tanks modelling and design Part2: Linking sludge settleability measures Secondary settling tanks modelling and design Part2: Linking sludge settleability measures
Invloed van stikstofbemesting, grondtipe en waterstremming op die produksie en watergebruikdoeltreffendheid van Digitaria eriantha cv. Irene onder glashuis toestande Invloed van stikstofbemesting, grondtipe en waterstremming op die produksie en watergebruikdoeltreffendheid van Digitaria eriantha cv. Irene onder glashuis toestande
Observations on aspects of the biology Pseudocrenilabrus philander (M. Weber, 1897) from a subtropical South African impoundment Observations on aspects of the biology Pseudocrenilabrus philander (M. Weber, 1897) from a subtropical South African impoundment