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结果 161-170 的 345
Impacts and fate of experimentally enhanced nitrogen deposition on a British lowland heath
1998
Power, S.A. | Ashmore, M.R. | Cousins, D.A. (Imperial College of Science, Technology and Medicine, Silwood Park, Ascot, Berkshire SL5 7PY (United Kingdom))
Nitrate leaching in forest ecosystems is related to forest floor C/N ratios
1998
Gundersen, P. | Callesen, I. | Vries, W. de (Danish Forest and Landscape Research Institute, Hoersholm Kongevej 11, DK-2970 Hoersholm (Denmark))
Foliar leaching of 137Cs from Eriophorum vaginatum L., Scirpus caespitosus L. and Erica tetralix L
1998
Jones, D.R. | Eason, W.R. | Dighton, J. (Institute of Grassland and Environmental Research, Plas Gogerddan, Aberystwyth, Ceredigion, Wales, SY23 3EB (United Kingdom))
Air concentrations of organochlorine insecticides and polychlorinated biphenyls over Green Bay, WI, and the four lower Great Lakes
1998
McConnell, L.L. | Bidleman, T.F. | Cotham, W.E. | Walla, M.D. (US Department of Agriculture, Agricultural Research Service, Building 007, Room 225, Beltsville, MD 20705 (USA))
Chiral pesticides as tracers of air-surface exchange
1998
Bidleman, T.F. | Jantunen, L.M. | Harner, T. | Wiberg, K. | Wideman, J.L. | Brice, K. | Su, K. | Falconer, R.L. | Aigner, E.J. | Leone, A.D. | Ridal, J.J. | Kerman, B. | Finizio, A. | Alegria, H. | Parkhurst, W.J. | Szeto, S.Y. (Atmospheric Environment Service, 4905 Dufferin St, Downsview, Ontario, M3H 5T4 (Canada))
Growth, respiration and nitrogen content in needles of Scots pine exposed to elevated ozone and carbon dioxide in the field
1998
Kellomaki, S. | Wang KaiYun (Faculty of Forestry, University of Joensuu, PO Box 111, FIN-80101 Joensuu (Finland))
Policies and instruments for reducing nitrogen oxide emissions from stationary sources in the Netherlands
1998
Jonge, L. de (Ministry of Housing, Spatial Planning and the Environment, The Hague (Netherlands))
Environmental hazards of nitrogen loading in wetland rice fields
1998
Ghosh, B.C. | Ravi Bhat (Agricultural and Food Engineering Department, Indian Institute of Technology, Kharagpur 721 302 (India))
Nitrogen enrichment of European inland and marine waters with special attention to Danish policy measures
1998
Iversen, T.M. | Grant, R. | Nielsen, K. (National Environmental Research Institute (Denmark))
Economic impact of reductions in exposure of agricultural crops to nitrogen- and sulphuroxides in the Netherlands
1998
Bunte, F.H.J. | Wijnands, J.H.M. | Bremmer, J. | Hoogeveen, M. | Tonneijck, A.E.G. (LEI-DLO, Den Haag and AB-DLO, Wageningen (Netherlands))