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  • 2020-2023
  • 1970-1974  (7)
  • 1965-1969
  • 1960-1964  (13)
  • 1950-1954
  • 1930-1934
  • 1973  (7)
  • 1964  (13)
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  • 2020-2023
  • 1970-1974  (7)
  • 1965-1969
  • 1960-1964  (13)
  • 1950-1954
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  • 1
    Electronic Resource
    Electronic Resource
    Reply to Hoyle (1973)
    [s.l.] : Nature Publishing Group
    Nature 242 (1973), S. 109-109 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] HOYLE'S assertion that only 5 sources per steradian are missing at the bright end1 is based on the apparent Euclidean nature of the source counts. My derivation of the steady-state source counts2 expected if radio galaxies have cosmological redshifts shows that the Euclidean slope of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/242109a0
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  • 2
    Electronic Resource
    Electronic Resource
    Gas residence time distribution in multistage fluidised beds (1973)
    Springer
    Heat and mass transfer 6 (1973), S. 153-156 
    Details
    ISSN: 1432-1181
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Description / Table of Contents: Zusammenfassung Die Verweilzeitverteilung des Gases in mehrstufigen Wirbelschichtanlagen wurde untersucht. Als Spurengas diente Helium. Bei den Versuchen wurden die Partikelkonzentration, die Zahl der Wirbelschichtstufen und deren bezogene Höhe verändert. Ein Vergleich mit den Ergebnissen von Untersuchungen an absatzweise betriebenen Wirbelschichtanlagen ergaben, daß bei kontinuierlichem Durchfluß der fluiden und der partikelförmigen Phase durch die mehrstufige Anlage das Gas die engere Verweilzeitverteilung aufweist und daher zu günstigeren Betriebsbedingungen beiträgt.
    Notes: Abstract The residence time distribution of the gas in multistage fluidised beds is studied, using Helium as tracer, for different conditions of the solids concentration, the number of stages and the height-to-diameter ratio of the stage. The results are compared with that of batch fluidisation with and without baffles and it is found that continuous fluidisation gives better flow characteristics of the gas and possesses a wider range of operation than batch fluidisation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01462868
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  • 3
    Electronic Resource
    Electronic Resource
    Synthese, Kristall- und Molekül-Struktur von Cycloikosaschwefel, S20 (1973)
    Springer
    Naturwissenschaften 60 (1973), S. 300-300 
    Details
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00624448
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  • 4
    Electronic Resource
    Electronic Resource
    Buchbesprechungen (1964)
    Springer
    Colloid & polymer science 198 (1964), S. 101-111 
    Details
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01499465
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  • 5
    Electronic Resource
    Electronic Resource
    Über einige zweikernige Heterocyclen (1964)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 76 (1964), S. 615-615 
    Details
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ange.196407613163
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  • 6
    Electronic Resource
    Electronic Resource
    Thiolyse von Sulfurylchlorid (1964)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 330 (1964), S. 130-140 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The reaction of hydrogen sulfide with sulfuryl chloride in the ratio 2:1 leads in benzene solution to hydrogen chloride, water, sulfur, and disulfur monoxide, S2O, which is surprisingly stable under the prevailing conditions. The reaction of sulfuryl chloride with liquid hydrogen sulfide leads to the formation of sulfanes and chlorosulfanes, respectively, besides other products, depending on the molar ratio H2S:SO2Cl2.
    Notes: Schwefelwasserstoff reagiert mit Sulfurylchlorid beim molaren Einsatz 2:1 in benzolischer Lösung unter Bildung von Chlorwasserstoff, Wasser, Schwefel und Dischwefelmonoxid S2O, das unter den herrschenden Reaktionsbedingungen überraschend stabil ist. Mit flüssigem Schwefelwasserstoff bildet SO2Cl2 im Unterschuß u. a. Sulfane, im Überschuß Chlorsulfane.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19643300304
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  • 7
    Electronic Resource
    Electronic Resource
    Versuche zur Trennung von Sulfan-disulfonaten mit Hilfe von Anionenaustauschern (1964)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 330 (1964), S. 188-194 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The separation of sulfane-disulfonates, sulfite and thiosulfate by anion-exchangers has been studied. Whereas K2S6O6 is decomposed on the column, the salts K2S3O6, K2S4O6 and K2S5O6 may be separated quantitatively.
    Notes: Die Trennung von Sulfan-disulfonaten, Sulfit und Thiosulfat mit Anionenaustauschern wird untersucht. Während K2S6O6 auf der Säule zu rasch zerfällt, lassen sich die Salze K2S3O6, K2S4O6 und K2S5O6 quantitativ voneinander trennen.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19643300311
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  • 8
    Electronic Resource
    Electronic Resource
    Über die Reaktion von Jodwasserstoff mit elementarem Schwefel (1964)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 330 (1964), S. 122-129 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The reaction S + 2 HJ → H2S + J2 of S8 solutions in CCl4 is very slow, but is accelerated very much in the case of S6 or Sx* (formed by splitting of S8 rings under the influence of light). A simultaneous determination of content and oxidation state of sulfur in mixtures of sulfur compounds with elemental sulfur by the “HJ method” therefore is only possible if the elemental sulfur is present in the S8 form and if the violet and ultraviolet part of the spectrum is excluded during the experiment.
    Notes: In CCl4 gelöster S8-Schwefel reagiert mit HJ nur sehr langsam nach S + 2 HJ → H2S + J2. Diese Reaktion verläuft dagegen mit S6 bzw. mit den durch Lichteinfluß erzeugten Spaltprodukt des S8-Ringes, Sx*, rasch, weshalb die „Jodwasserstoffmethode“ zur Ermittlung des Gehaltes und der Oxydationsstufe von Schwefel in Gemischen des Elementes mit seinen Verbindungen nur dann anwendbar ist, wenn unter Ausschluß des violetten und ultravioletten Anteils des Spektrums gearbeitet wird und der elementare Schwefel in seiner energieärmsten Form, also als S8-Molekel, vorliegt.
    Additional Material: 4 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19643300303
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  • 9
    Electronic Resource
    Electronic Resource
    Zur Identität der aus Thioschwefelsäure mit Dichlordisulfan und aus Thioschwefelsäure mit salpetriger Säure hergestellten Tetrasulfandisulfonate und zur Existenz eines „Saueren“ Tetrasulfan-disulfonats (1964)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 330 (1964), S. 179-187 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The product prepared following the method of GOEHRING and FELDMANN from H2S2O3 and S2Cl2 is not a „spectrum“ of different salts as stated by WEITZ and BECKER, but really K2S6O6, which is also prepared from H2S2O3 and HNO2. Tetrasulfane-disulfonate does not only exist in the neutral form K2S6O6, but also in a „acid“ form with a part of the potassium - nonstoichiometrically - replaced by H+. The two forms have different shape and X-ray spectra.
    Notes: Bei dem nach GOEHRING und FELDMANN aus H2S2O3 und S2Cl2 dargestellten Produkt handelt es sich nicht, wie von WEITZ und BECKER angegeben, um ein „Spektrum“ verschiedener Salze, sondern um einheitliches K2S6O6, wie es auch aus H2S2O3 und HNO2 erhalten wird. Tetrasulfan-disulfonat existiert neben der neutralen Form K2S6O6 noch in einer „saueren“ Form, bei der ein Teil des Kaliums - nichtstöchiometrisch - durch H+ ersetzt ist. Die beiden Formen unterscheiden sich in Aussehen und Röntgenspektrum voneinander.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19643300310
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  • 10
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    Gas residence time distribution in multistage fluidised beds (1973)
    Springer
    Details
    Publication Date: 1973-09-01
    Print ISSN: 0042-9929
    Electronic ISSN: 1432-1181
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Published by Springer
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