Affiner votre recherche
Résultats 31-40 de 44
South African entrophication problems: a perspective
1975
Toerien, D.F. (National Institute for Water Research, CSIR, Pretoria, Transvaal (South Africa))
The practice of balancing in wastewater treatment
1975
Finch, J.
Nutrient removal in biological systems
1975
Barnard, J.L. (National Institute for Water Research, CSIR, Pretoria, Transvaal (South Africa))
Pilot-scale studies on the treatment of domestic sewage by two-stage biological filtration - with special reference to nitrification
1975
Bruce, A.M. (Water Pollution Control Laboratory, Department of the Environment, Stevenage, Herts SG1 1TH (UK)) | Merkens, J.C. | Haynes, B.A.O.
The application of statistical techniques to river quality management
1974
Oxley, N.C. (EASAMS Ltd., Camberley, Surrey (UK)) | Wallis, B.F.J.
The Huntingdon Research Centre Pasveer oxidation ditch: six years on
1974
Spring, B.J. (Department of Building and Maintenance, Huntingdon Research Centre, Huntingdon (UK)) | Briscoe, E.R.E.
Quality control in river management of the Bristol Avon
1974
Ingham, G.S.N. (Bristol Avon River Authority, Bristol (UK))
Farming aspects of pollution control in Salisbury Rhodesia
1975
Cormack, J.M.
The metal content and dispersion characteristics of steelworks' effluent discharging to the Tees estuary
1975
Prater, B.E.
