Stabilizing high-strength wastes with photosynthetic bacteria Stabilizing high-strength wastes with photosynthetic bacteria
The phosphorus cycle in Germiston lake. II the in vitro and in situ absorption of 32p by Potamogeton Pectinatus l The phosphorus cycle in Germiston lake. II the in vitro and in situ absorption of 32p by Potamogeton Pectinatus l
A simple scheme for controlling dissolved oxygen and measuring oxygen utilization rate in lab-scale activated sludge units A simple scheme for controlling dissolved oxygen and measuring oxygen utilization rate in lab-scale activated sludge units
Variations in moisture deficits over the maize-growing region of South Africa I: Spatial aspects Variations in moisture deficits over the maize-growing region of South Africa I: Spatial aspects
Variations in moisture deficits over the maize-growing region of South Africa II: Temporal aspects Variations in moisture deficits over the maize-growing region of South Africa II: Temporal aspects
Metal surveys in South African estuaries I. Swartkops river Metal surveys in South African estuaries I. Swartkops river
Vloedskadebepaling en vloedskadebeheer as onderdele van die ekonomie van waterbenutting Vloedskadebepaling en vloedskadebeheer as onderdele van die ekonomie van waterbenutting
Observations on the suitability of various dry feeds for the commercial rearing of carp, Cyprinus Carpio larvae in South Africa Observations on the suitability of various dry feeds for the commercial rearing of carp, Cyprinus Carpio larvae in South Africa
Metal surveys in South African estuaries II. Knysna river Metal surveys in South African estuaries II. Knysna river
A note on the effect of chlorination of sewage effluents on faecal coliform to faecal Streptococci ratios in the differentiation of faecal pollution sources A note on the effect of chlorination of sewage effluents on faecal coliform to faecal Streptococci ratios in the differentiation of faecal pollution sources