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Resultados 81-90 de 166
Locomotory and dehydrogenase activities of redstarts Phoenicurus phoenicurus L.(aves) given PCB and DDT
1974
Karlsson, B. (University of Lund, S-223 62 Lund (Sweden)) | Persson, B. | Sodergren, A. | Ulfstrand, S.
Durability of plantinum bead oxidation catalyst for vehicle emission control
1974
Aoyama, H. | Ohuchi, H. | Nakamura, S. | Oi, A. | Horio, Y. | Suzuki, M. | Yamaki, N. (National Research Inst. for Pollution and Resources, Kawaguchi, Saitama (Japan))
Hardening treatment of plating waste sludge with cement
1974
Soya, T. | Suyama, S. (Nagano-ken. Precision Industry Experiment Station, Okaya (Japan))
Treatment of waste water with silicated adsorbent (zeolite)
1974
Tsukabayashi, K. (Ishikawa-ken. Industrial Research Inst., Kanazawa (Japan))
Assessment of economic benefits and environmental risks from the application of pesticides in agriculture and forestry
1974
Schuhmann, G. (Biologische Bundesanstalt fuer Land und Forstwirtschaft, Berlin (Germany, F.R.)) | Pieritz, W.
Pollution ecology of freshwater invertebrates
1974
Pollution ecology of freshwater invertebrates
1974
Pollution ecology of freshwater invertebrates
1974
Hart, C.W. Jr. (ed.) | Fuller, S.L.H. (ed.)
Diagrs., illus., tables. Includes bibliographies;
Mostrar más [+] Menos [-]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.
Heavy metal pollution in the sediments of the Coeur d'Alen e river delta
1974
Maxfield, D. | Rodriguez, J.M. | Buettner, M. | Davis, J. | Forbes, L. | Kovacs, R. | Russel, W. | Schultz, Ludolf | Smith, R.
