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结果 11-20 的 426
A possibility of limiting the harmful effects and pollution due to pig-farms
1974
Ballay, D. (Centre Technique du Genie Rural des Eaux et Forets, 75 - Paris (France). Div. Qualite des Eaux, Peche et Pisciculture) | Catroux, G. (Institut National de la Recherche Agronomique, 21 - Dijon (France). Lab. de Microbiologie des Sols)
Effects of atmospheric pollution on deciduous woodland. Part 3: Effects on photosynthetic pigments of leaves of Quercus petraea (Mattuschka) Leibl
1975
Ricks, G.R. (Department of Applied Biology, University of Wales Institute of Science and Technology, Cardiff, Wales (UK)) | Williams, R.J.H.
Lead concentrations in tissues of roadside mice
1975
Welch, W.R. (department of Zoology and Chemistry, Colorado State University, Fort Collins, Colorado 80521 (USA)) | Dick, D.L.
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.
Incubation study on effect of pH on nitrogen mineralisation and nitrification in soils treated with 1000ppm lead and zinc, as oxides
1974
Bhuiya, M.R.H. (Chemistry Department, Imperial College, London, SW7 2AY (UK)) | Cornfield, A.H.
Levels of dieldrin in dressed wheat seed after drilling and exposure on the soil surface
1974
Davis, B.N.K. (Monks Wood Experimental Station, Abbots Ripton, Huntingdon (UK))
Limitations on analysis of small particles with an electron probe: pollution studies
1975
Heidel, R.H. (US Geological Survey, Denver, Colorado 80225 (USA)) | Desborough, G.A.
Foliar sorption of atmospheric sulphur dioxide by woody plants
1974
Roberts, B.R. (North Central Region, Agricultural Research Service, US Department of Agriculture, PO Box 365, Delaware, Ohio 43015 (USA))
Heavy metal pollution in the sediments of the Coeur D'Alene river delta
1974
Maxfield, D. (Chemistry Department University of Idaho, Moscow, Idaho (USA)) | Rodriguez, J.M. | Buettner, M. | Davis, J. | Forbes, L. | Kovacs, R. | Russel, W. | Schultz, L. | Smith, R. | Stanton, J. | Wai, C.M.
Patella Vulgata: A biological monitor of coastal metal pollution - a preliminary study
1974
Navrot, J. (Department of Soil and Water Science, Faculty of Agriculture, Rehovot (Israel)) | Amiel, A.J. | Kronfeld, J.