خيارات البحث
النتائج 131 - 140 من 238
Heavy metals [pollution] and terrestrial cryptogams
1976
Margot, J. | Romain, M.T. (Facultes Universitaires Notre Dame de la Paix, Namur (Belgium). Lab. de Botanique)
[A very sensitive gaschromatographic method for the quantitative determination of traces of ethylene in the air]
1976
Greef, J. de | Proft, M. de (Universitaire Instellingen, Antwerpen (Belgium). Dept. Biologie) | Winter, F. de (L'Air Liquide Belgium, Schelle. Wetenschappelijk Afdeling)
Recent evolution of the radioactive contamination of aquatic and ripicolous ecosystems in the river Meuse by the effluent release of the SENA Nuclear Power Station (Chooz, French Ardennes)
1976
Lambinon, J. (Liege Univ., Sart Tilman (Belgium). Dept. de Botanique) | Kirchmann, R. | Colard, J. (Centre d'Etude de l'Energie Nucleaire, Mol (Belgium))
The uses of aquatic bryophytes as tracers of the heavy metals contamination of fresh waters
1976
Empain, A. (Liege Univ., Sart Tilman (Belgium). Dept. de Botanique)
The concept of bioindicator [plant indicator, ecological groups, phytometers, bioassay]
1976
Isserentant, R. | Sloover, J.R. de (Universite Catholique de Louvain, Louvain-la-Neuve (Belgium). Lab. d'Ecologie Vegetale)
Growth and vitality of bryophytes protonema in sulfur dioxide-contaminated atmosphere
1976
Goossens, M. (Universite Catholique de Louvain, Louvain-La-Neuve (Belgium). Lab. d'Ecologie Vegetale)
Demonstration of fluorine emissions by observation and analysis of vegetation [Hypericum perforatum L.]
1976
Impens, R. | Paul, R. (Faculte des Sciences Agronomiques de l'Etat, Gembloux (Belgium). Lab. de Biologie Vegetale)
Economic trade-offs to limit nonpoint sources of agricultural pollution
1976
Heady, E.O. | Nicol, K.J. | Wade, J.C. (Iowa State Univ., Ames (USA))
Animal waste pollution and its control
1976
Brown, Robena I.
