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'Formaldehyde' in keywords
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1981 (1)
1976 (1)
1Author    Fritz Seel, Willi Schaum, Georg SimonRequires cookie*
 Title    Über die Entstehung von Zuckern und zuckerähnlichen Substanzen aus in Zeolithen absorbiertem Formaldehyd durch UV-Bestrahlung Synthesis of Sugars and Sugar-Like Products by UV Irradiation of Formaldehyde Absorbed on Zeolites  
 Abstract    The formation of sugars and sugar-like substances by UV irradiation of formaldehyde adsorbed on zeolites of type A and X has been demonstrated. The conversion inside or outside the matrix and product distribution depend on the type of zeolite. 
  Reference    Z. Naturforsch. 36b, 1451—1456 (1981); eingegangen am 7. Mai 1981 
  Published    1981 
  Keywords    Formaldehyde, Sugars, Zeolites 
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 TEI-XML for    default:Reihe_B/36/ZNB-1981-36b-1451.pdf 
 Identifier    ZNB-1981-36b-1451 
 Volume    36 
2Author    CrI. Simionescu, S. Dumitriu, V. I. PopaRequires cookie*
 Title    im kalten Plasma The Mechanism and Kinetics of Methane-Water Mixture Decomposition in Cold Plasma  
 Abstract    In the present paper the mechanism and kinetics of methane-water mixtures decompo-sition in cold plasma are discussed. It was found that nature and composition of the products depend on reaction time, ratio of the two components, and how long the products are in contact after the decomposition was performed. Reactions in the decomposition system generally follow two mechanisms: corresponding to the discharge phase and to postreaction one. The highest yield of formaldehyde was obtained for the ratio methane water of 0.6-1 and two minutes of discharge. Die Bildung von Formaldehyd aus den hypothe-tischen Bestandteilen der Uratmosphäre wurde von LÖB 1 noch im Jahre 1906 in den dmch elektrische Entladungen in einer Mischung von Kohlendioxyd und Wasser entstandenen Produkten nachgewiesen. Später erwähnt derselbe Verfasser die Erzeugung von Glycin über Formaldehyd in einem aus Kohlen-mon-oder -dioxyd, Ammoniak und Wasser beste-henden System. Die Verwendung anderer Systeme (CO + H2; 
  Reference    (Z. Naturforsch. 31b, 466—471 [1976]; eingegangen am 5. November 1975) 
  Published    1976 
  Keywords    Methane-Water, Decomposition, Formaldehyde, Mechanism, Kinetics 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-0466.pdf 
 Identifier    ZNB-1976-31b-0466 
 Volume    31