Na 50 Nachlass Arthur Schopenhauer - 'Schopenhauer-Archiv', 992 - Bitte um Übersendung der von Arthur Schopenhauer zwischen 1828 und 1832 übersetzten Schrift "Oráculo manual y arte de prudencia" von Baltasar Gracián

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Na 1 Nachlass Max Horkheimer, 595 - Korrespondenzen mit Friedrich (Frederick) Pollock (p. VI 40, 261-536)

1 Brief von Frederick Pollock an Wolfgang Bussinger, 14.12.1962; 1 Brief von Max Horkheimer an das Kuratorium der J.-W.-Goethe-Universität (Frankfurt/M.), [1962]; 1 Brief von Edward Rebner an das Kulturreferat der Stadt Frankfurt/M., 24.08.1957; 1 Brief von Edward Rebner an das ZDF (München), 08.02.1962; 1 Brief von der Deutschen Bank an Joseph Christ, 04.03.1964; 1 Brief von Joseph Christ an Alice H. Maier, 12.03.1963; 2 Briefe zwischen Frederick Pollock und der Tanzi, Alfredo & Figli Speditionsfirma (Lugano), Dezember 1963; 1 Brief von dem Aebli & Cie. Ag. Versicherungsmakler (Zürich) an Max Horkheimer, 27.11.1963; 1 Brief von dem Hessichen Kultusminister (Wiesbaden) an Max Horkheimer, 11.11.1963; 2 Briefe zwischen Max Horkheimer und Gerhard Kleining, 1963; 2 Briefe von Frederick Pollock an Felix Weil, 1963; 1 Telegramm von Max Horkheimer an Felix Weil, 1963; 1 Brief von Frederick Pollock an das Institut für Sozialforschung (Frankfurt/M.), 04.01.1963; 4 Briefe zwischen Max Horkheimer und Monroe Karasik, 1963; 1 Brief von Frederick Pollock an Guttentag, 24.04.1963; 1 Brief von Frederick Pollock an A. P. Bersohn, 14.01.1963;

Determinación de la relación de expansión en suelos de Mendoza (Argentina)

El objetivo fue lograr Índices de Corte ajustados a los suelos de las regiones en estudio y relacionar los mismos con determinaciones sencillas de laboratorio como volumen de sedimentación. Se observó en la región una gran disparidad de métodos para calcular el plano proyecto a obtener y la aplicación de valores de relación corte/relleno sin validación local. El trabajo se realizó en la provincia de Mendoza. Se relevaron 22 parcelas en las zonas irrigadas por los ríos Mendoza y Tunuyán. Los valores promedio de relación de expansión obtenidos, de acuerdo con el tipo de suelo, fueron: arenoso 1,04; franco 1,4; arcilloso 1,71; franco-arenoso 1,29; francoarcillo- limoso 1,71; franco-arcilloso 1,64 y franco-limoso 1,34, respectivamente.

Crocus nevadensis Amo & Campo ex Amo (Iridaceae), novedad para la provincia de Toledo

Se publican las primeras citas conocidas para Crocus nevadensis Amo & Campo ex Amo en la provincia de Toledo. Se muestran fotografías tomadas en la fecha y lugar de los hallazgos.

Characterization of the gene cluster of high-molecular-mass nitrile hydratase (H-NHase) induced by its reaction product in Rhodococcus rhodochrous J1.

The 4.6-kb region 5'-upstream from the gene encoding a cobalt-containing and amide-induced high molecular mass-nitrile hydratase (H-NHase) from Rhodococcus rhodochrous J1 was found to be required for the expression of the H-NHase gene with a host-vector system in a Rhodococcus strain. Sequence analysis has revealed that there are at least five open reading frames (H-ORF1 approximately 5) in addition to H-NHase alpha- and beta-subunit genes. Deletion of H-ORF1 and H-ORF2 resulted in decrease of NHase activity, suggesting a positive regulatory role of both ORFs in the expression of the H-NHase gene. H-ORF1 showed significant similarity to a regulatory protein, AmiC, which is involved in regulation of amidase expression by binding an inducer amide in Pseudomonas aeruginosa. H-ORF4, which has been found to be uninvolved in regulation of H-NHase expression by enzyme assay for its deletion transformant and Northern blot analysis for R. rhodochrous J1, showed high similarity to transposases from insertion sequences of several bacteria. Determination of H-NHase activity and H-NHase mRNA levels in R. rhodochrous J1 has indicated that the expression of the H-NHase gene is regulated by an amide at the transcriptional level. These findings suggest the participation of H-ORF4 (IS1164) in the organization of the H-NHase gene cluster and the involvement of H-ORF1 in unusual induction mechanism, in which H-NHase is formed by amides (the products in the NHase reaction), but not by nitriles (the substrates).