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Zweistufige Intensivfaulung kommunalen Klaerschlammes durch biologische Phasentrennung mit thermophiler erster Stufe. Demonstrationsvorhaben. Zwischenbericht 1-1990. (Two-stage intensive digestion of municipal sewage sludge by biological phase separation with a thermophilic first stage. Demonstration project. Intermediate report 1-1990)
NTIS | 1990| -
Zusammenstellung der Genehmigungswerte fuer Ableitungen radioaktiver Stoffe mit der Fortluft und dem Abwasser aus den Kernkraftwerken der Bundesrepublik Deutschland - Dezember 1992. (Compilation of licensing limits for radioactivity releases by air or waste water from nuclear power plants in the Federal Republic of Germany - as of December 1992)
NTIS | 1993| -
Zusammenstellung, Auswertung und Bewertung des vorhandenen Datenmaterials ueber die stoffliche Belastung der Gewaesserguete der Mittelelbe nach einheitlichen gemeinsamen Kriterien (Vorstudie). Bd. 1. Textband. (Compilation, evaluation and assessment of the existing data on the pollution load affecting the water quality of the central stretch of the river Elbe on the basis of uniform common criteria (preliminary study). Vol. 1. Text volume)
NTIS | 1993|
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