خيارات البحث
النتائج 131 - 140 من 347
Polychlorinated biphenyl and polycyclic aromatic hydrocarbon deposition to and exchange at the air-water interface of Esthwaite Water, a small lake in Cumbria, UK
1998
Gevao, B. | Hamilton-Taylor, J. | Jones, K.C. (Environmental Science Department, Institute of Environmental and Natural Sciences, Lancaster University, Lancaster LA1 4YQ (United Kingdom))
Response of a grassland ecosystem to air pollutants. V. A toxicological model for the assessment of dose-response relationships for air pollutants and ecosystems
1998
Dammgen, U. | Grunhage, L. (Federal Agricultural Research Centre Braunschweig, Institute for Agroecology, Bundesallee 50, D-38116 Braunschweig (Germany))
Leaching of nitrate from agriculture to groundwater: the effect of policies and measures in the Netherlands
1998
Oenema, O. | Boers, P.C.M. | Eerdt, M.M. van | Fraters, B. | Meer, H.G. van der | Roest, C.W.J. | Schroder, J.J. | Willems, W.J. (AB-DLO, P.O. Box 14, 6700 AA Wageningen (Netherlands))
Nitrogen, the Confer-N-s
1998
Manning, W.J. | Dempster, J.P. (eds.) (Department of Microbiology, University of Massachusetts, 203 Morrill Science Center IVN, Box 35720, Amherst, Massachusetts 01003-5720 (USA))
Power-station contributions to local concentrations of NO2 at ground level
1998
Webb, A.H. | Hunter, G.C. (National Power PLC, Swindon (United Kingdom))
Nitrification-denitrification processes and technologies in new contexts
1998
Verstraete, W. | Philips, S. (Laboratory of Microbial Ecology, University of Gent, Coupure Links 653, B-9000 Gent (Belgium))
Spatial variation in annual nitrogen deposition in a rural region in Switzerland
1998
Eugster, W. | Perego, S. | Wanner, H. | Leuenberger, A. | Liechti, M. | Reinhardt, M. | Geissbuhler, P. | Gempeler, M. | Schenk, J. (University of Bern, Institute of Geography, Hallerstrasse 12, CH-3012 Bern (Switzerland))
Relative effectiveness of ethylenediurea, and constituent amounts of urea and phenylurea in ethylenediurea, in prevention of ozone injury to tobacco
1998
Godzik, B. | Manning, W.J. (Szafer Institute of Botany, Polish Academy of Sciences, Lubicz Street 46, 31-512 Krakow (Poland))
Environmental impacts of different nitrogen inputs on dairy farms and implications for the Resource Management Act of New Zealand
1998
Ledgard, S.F. | Crush, J.R. | Penno, J.W. (AgResearch, Ruakura Research Centre, Private Bag 3123, Hamilton (New Zealand))
Nitrogen in Dutch freshwater lakes: trends and targets
1998
Molen, D.T. van der | Portielje, R. | Nobel, W.T. de | Boers, P.C.M. (Institute for Inland Water Management and Waste Water Treatment, Lelystad (Netherlands))
