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Результаты 291-300 из 345
Determination of acidic pesticides in the drinking water of Greece using capillary gas chromatography mass spectrometry
1998
Tsipi, D. (General Chemical State Lab., Athens (Greece)) | Hiskia, A. | Heberer, T. | Stan, H.J.
The effect of refuse incinerator fumes on the lead and cadmium content of experimentally exposed corticolous lichens
1998
Gombert, S. (Joseph Fourier Univ., Grenoble (France). Centre de Biologie Alpine) | Asta, J.
Modelling the impact of lowered atmospheric nitrogen deposition on a nitrogen saturated forest ecosystem
1998
Koopmans, C.J. (Amsterdam Univ. (Netherlands). Landscape and Environmental Research Group) | Dam, D. van
Quality of water wells in an agricultural area in the city of La Plata, Argentina
1998
Marteau, S.A. (Universidad Technologica Nacional, La Plata, Buenos Aires (Argentina). Dept. of Science and Technology) | Alberino, J.C. | Ripoli, J.L. | Rosato, M.E.
Wastewater irrigation effect on soil, crop and environment: a pilot scale study at Irbid, Jordan
1998
Shahalam, A. (Ohio State Univ., Coshocton, OH (USA). Outlying Station) | Abu-Zahra, B.M. | Jaradat, A.
Evaluation of tobacco cultivars as bioindicators and biomonitors of ozone phytotoxical levels in Catalonia
1998
Ribas, A. (Barcelona Autonoma Univ., Bellaterra, Barcelona (Spain). Centre de Recerca Ecologica i Aplicacions Forestals) | Filella, I. | Gimeno, B.S. | Penuelas, J.
Effect of soil oxidants KNO(3), MnO(2), and air on methane production in flooded rice soil suspension
1998
Jugsujinda, A. (Louisiana State Univ., Baton Rouge, LA (USA). Wetland Biogeochemistry Inst. and Nuclear Science Center) | Lindau, C.W. | Delaune, R.D. | Patrick, W.H.
Effects of acidification due to emissions from the Kola Peninsula on fish populations in lakes near the Russian border in Northern Norway
1998
Hesthagen, T. (Norwegian Inst. of Nature Research, Trondheim (Norway).) | Langeland, A. | Berger, H.M.
Changes in pH, CEC and exchangeable acidity of some forest soils in southern China during the last 32-35 years
1998
Dai, Z.H. (Chinese Academy of Sciences, Beijing (China). Research Center for Eco-Environmental Sciences) | Liu, Y.X. | Wang, X.J. | Zhao, D.W.
Distribution of platinum group elements (Pt, Pd, Rh) in environmental and clinical matrices: Composition, analytical techniques and scientific outlook : Status report
1998
Hees, Torsten | Wenclawiak, Bernd | Lustig, Sönnke | Schramel, Peter | Schwarzer, Michael | Schuster, Michael | Verstraete, Dominique | Dams, Richard | Helmers, Eckard
Trace concentrations of the platinum group elements (PGE; here: Pt, Pd and Rh) play an important role in environmental analysis and assessment. Their importance is based on 1. their increasing use as active compartments in automobile exhaust catalysts, 2. their use as cancer anti-tumor agents in medicine. Due to their allergenic and cytotoxic potential, it is necessary to improve selectivity and sensitivity during analytical investigation of matrices like soil, grass, urine or blood.This paper summarizes the present knowledge of PGE in the fields of analytical chemistry, automobile emission rates, bioavailibility, toxicology and medicine.
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