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结果 131-140 的 236
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)
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)
[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)
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)
Air pollution, threat and response
1976
Lynn, David A.
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))
Pb adsorption by soils, 1: adsorption as measured by the Langmuir and Freundlich isotherms
1976
Soldatini, G.F. | Riffaldi, R. | Levi-Minzi, R. (Pisa Univ. (Italy). Inst. of Agricultural Chemistry)
Computed leaching of pesticides from soil under field conditions
1976
Leistra, M. (Laboratorium voor Insekticidenonderzoek, Wageningen (Netherlands)) | Dekkers, W.A.
