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Resultados 91-100 de 166
Solvents in sewage and industrial waste waters: identification and determination
1974
Ellison, W.K. | Wallbank, T.E.
Aspects of power generation and sludge treatment at Coventry
1974
Lee, H.V. (Sewage Works, Finham, Coventry (UK)) | Duckworth, R.M.
An investigation into the pretreatment and effect of an industrial waste water derived from the manufacture of azo dyes upon the activated-sludge process
1974
Tong, A. (Prudhoe Water Pollution Control Works, Prudhoe, Northumberland (UK)) | Young, R.A.
Ammonia in water supply systems
1974
Nicolson, N.J. (The Conservancy, Reading, Berks (UK))
Heavy metal content in the sediments of the southern part of the Coeur D'Alene lake
1974
Maxfield, D. | Rodriguez, J.M. | Buettner, M. | Davis, J. | Forbes, L. | Kovacs, R. | Russel, W. | Schultz, Ludolf | Smith, R. | Wai, C.M.
Pollution control in the dairy industry
1974
Jones, H. R. (Harold R)
Effects of fertilizers on surface and drainage waters
1974
Schulz, K. (Bundesversuchsinstitut fuer Kulturtechnik und Technische Bodenkunde, Petzenkirchen (Austria))
Possible effects of forest residues and forestry operations on surface water quality
1974
Evans, J.O. (Dept. of Agriculture, Washington, D.C. (USA). Forest Service)
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))