خيارات البحث
النتائج 161 - 170 من 198
[Release and characteriszation of mobile Al-species]
1987
Schmid, S. (Fraunhofer-Institut fuer Umweltchemie und Oekotoxikologie, Schmallenberg (Germany, F.R.)) | Kloeppel, H.
[Silicon as chemical indicator of the double attack of air pollutants on forests? New results of needle and soil analyses conducted during intromission-ecological forest state registration]
1987
Knabe, W. (Landesanstalt fuer Oekologie, Landschaftsentwicklung und Forstplanung des Landes Nordrhein-Westfalen, Recklinghausen (Germany, F.R.))
[Effects of eco-toxic heavy metals on young stands of European beech]
1987
Kahle, H. (Bielefeld Univ. (Germany, F.R.). Fakultaet fuer Biologie. Abt. Oekologie) | Breckle, S.W.
[Experiments on the vitalization and revival of diseased Norway spruce stands by inoculation of mycorrhizae]
1987
Lelley, J. (Versuchsanstalt fuer Pilzbau, Krefeld (Germany, F.R.)) | Wuestenhoefer, B. | Boeckem, H.
Natural gas applications for air pollution control
1987
Hay, Nelson E.
Pollution control instrumentation for oil and effluents
1987
Parker, H. D. | Pitt, G. D.
[Measurement and experiment station in the forest (MEXFO) -First results of the analyses of precipitation and soil water samples]
1987
Thiele, V. | Specovius, J. | Metzger, F. | Prinz, B.
[The research topic of North Rhine-Westphalia on "air pollution and forest damage". - Research plan for the research programme]
1987
Koeth, I. | Prinz, B.
Physicochemical processes and wastes in the ocean. Original ed.
1987
OConnor Thomas P. | Burt Wayne V. | Duedall Iver W.
Production response to groundwater pollution control
1987
Baker, Brian P.
