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Aprovação pelo Plenário de texto acordado pelos Líderes sobre financiamento da área de educação. Necessidade de melhorar a qualidade do ensino público e de universalizar a educação no Brasil. Apresentação da metodologia de apreciação de emendas no segundo turno de votações pela Assembleia Nacional Constituinte.

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In a lake the nitrogen compounds are liable to regular cycling in which nitrate is reduced and ammonium oxidised. As a nitrate maximum is regularly established in the upper part of the hypolimnion of a stratified summer lake, the authors have dealt in particular with the oxidising side of the nitrogen cycle. Described here are partial results of the nitrification in Plusssee. The Plusssee was chosen, since it is almost entirely without inflows, and, lying in a wooded basin, is well protected from the wind, and therefore stably stratified. In order to determine the number of autotrophic nitrificants the distribution of the Nitrosomonas and Nitrobacter spores in the lake were analysed. From the estimates on the determination of spore numbers of the heterotrophic nitrificants, 14 species in the pure culture were isolated and examined from morphological, biochemical and taxonomic viewpoints.

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Jacob Emanuel Neubürger

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Karlsruhe, Gesellschaft "Humpen"

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58 Briefe zwischen Paul Massing und Max Horkheimer, 1940 - 1949; 15 Briefe zwischen Alice H. Maier und Paul Massing, 1950 - 1964; 4 Briefe zwischen Paul Massing und Fred M. Stein, 1943; 1 Brief an Marc Vosk von Paul Massing, 25.10.1949; 2 Briefe zwischen Paul Massing und James T. Shotwell, Juni 1947; 1 Brief von Max Horkheimer an das Chancellor Hotel (San Francisco), 08.01.1947; 2 Brief von dem American Friends Service Committee (Philadelphia) an Max Horkheimer, 1946/1947; 1 Brief an Leo Löwenthal von Paul Massing, 09.08.1949; 1 Brief an Paul Massing von Samuel J. Kramer, 15.01.1945; 44 Briefe zwischen Max Horkheimer und Heinz Maus, 1939 - 1950; 3 Briefe von Heinz Maus an Leo Löwenthal, 1948- 1949; 1 Brief von Margot von Mendelssohn an Max Horkheimer, 29.03.1948;