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结果 171-180 的 219
Pollution prevention in industrial processes
1992
Breen, Joseph J. | Dellarco, Michael J.
Reauthorization of the Federal Water Pollution Control Act
1992
Catalytic control of air pollution
1992
Silver, Ronald G. | Sawyer, John E. | Summers, Jerry C.
Studies on redox components of the thylakoid membrane of spruce trees in open-top chambers
1992
Wild, A. (Mainz Univ. (Germany). Inst. fuer Allgemeine Botanik) | Flammersfeld, U. | Schmieden, U.
Physiological and cytomorphological investigations of undamaged and damaged spruce trees in the Northern Black Forest
1992
Wild, A. (Mainz Univ. (Germany). Inst. fuer Allgemeine Botanik) | Tietz-Siemer, S.
Ecophysiological measurements on pollutant stressed trees -OTC Edelmannshof
1992
Schweizer, B. (Hohenheim Univ. (Germany). Inst. fuer Landeskultur und Pflanzenoekologie) | Arndt, U.
Pollutant emissions of commercial and industrial wood furnaces: Registration of the state of engineering and possibilities to reduce emissions
1992
Baumbach, G. (Stuttgart Univ. (Germany). Institut fuer Verfahrenstechnik und Dampfkesselwesen (IVD). Abt. Reinhaltung der Luft) | Angerer, M.
Evaluation of the sulfur budget of forest ecosystems (Black Forest) by means of stable sulfur isotope analysis. 1. Purpose, background and methods
1992
Giesemann, A. (Giessen Univ. (Germany). Inst. fuer Pflanzenoekologie) | Jaeger, H.J.
Measurement of the dry deposition rates on trees by using the natural radioactivity as a tracer
1992
Schreiber, H. (Hohenheim Univ. (Germany). Inst. fuer Physik) | Jenderek, H.
CO2-gas-exchange and transpiration of open grown Norway spruce during the year in higher elevations of the Southern Black Forest under local air conditions with and without O3 respectively
1992
Abetz, P. (Freiburg Univ. (Germany). Inst. fuer Waldwachstum) | Kuenstle, E. | Wolfart, A.