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Résultats 101-110 de 166
The application of statistical techniques to river quality management
1974
Oxley, N.C. (EASAMS Ltd., Camberley, Surrey (UK)) | Wallis, B.F.J.
The toxicities of sewage effluents, industrial discharges and some chemical substances to brown trout (Salmo trutta) in the Trent River Authority area
1974
Woodiwiss, F.S. (Pollution Control and Fisheries Department, Trent River Authority (UK)) | Fretwell, G.
Pollution control in the organic chemical industry
1974
Sittig, Marshall
Some results obtained from the application of the activated-sludge process to waste waters from industrial hog breeding farms
1974
Negulescu, C.A.L. | Cute, E. (Research and Design Inst. for Water Resources Engineering, Bucharest (Romania))
Possibility of herbicide detection in water by means of the greening inhibition of etiolated and excised cucumber cotyledons
1974
Decleire, M. | Cat, W. de | Bastin, R. (Ministerie van Landbouw, Tervuren (Belgium). Instituut voor Scheikundig Onderzoek)
Assessment of the existing stage of water pollution in the ECE region caused by animal waste disposal
1974
Herman, P. (Ministerie van Landbouw, Tervuren (Belgium). Instituut voor Scheikundig Onderzoek)
Methods and measures undertaken [in Finland] and proposed for the abatement of water pollution resulting from the application of an increased yuantity and new formulations of fertilizers
1974
Pessi, Y. (Rikkihappo Co., Helsinki (Finland))
Evaluation of side and harmful effects on water bodies of the use of poisonous chemicals in forest and range activities
1974
Kunkle, S.H. (Food and Agriculture Organization of the United Nations, Rome (Italy). Forestry Dept.)
Leaching of nutrients out of the soil into the waters and factors affecting it
1974
Kohonen, T. (National Board of Waters, Helsinki (Finland). Water Research Office)
Effects of certain activities in agriculture on the pollution of surface waters and measures for their abatement
1974
Buie, E.C. (Dept. of Agriculture, Washington, D.C. (USA). Soil Conservation Service)
