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  • General Chemistry  (3)
  • 07.85.+n  (1)
  • Dangerous goods releases  (1)
  • 1
    ISSN: 1432-0630
    Keywords: 07.85.+n ; 33.20.Rm ; 35.20.Pa
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Using plane grating, ellipsoidal mirror, grazing incidence monochromators at the storage ring BESSY, a resolution of ≦ 150meV was achieved for a photon energy of 285 eV. This high energy resolution considerably extends the range of possible studies using core level Spectroscopy. Some of the new opportunities are illustrated at the CK edge by resolving the vibrational fine structure of condensed C2H4 multilayers in the (1s−1, π*) state by means of photoabsorption spectroscopy. For the sake of comparison with other high resolution instruments, the vibrational fine structure of condensed N2 multilayers at the NK edge (∼ 400eV) was also measured, yielding a resolving power of 3000.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1009
    Keywords: Environmental accidents ; Marine transport ; Dangerous goods releases ; Historical accidents ; Gravity scales
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract On the basis of 1776 descriptions of water transport accidents involving dangerous goods, environmental problems in connection with releases of this kind are described and discussed. It was found that most detailed descriptions of environmental consequences concerned oil accidents, although most of the consequences were described as reversible changes. It was shown that crude oil releases, on average, are approximately five times larger than releases of oil products and that oil product releases are approximately five times larger than other chemicals. Only 2% of the 1776 accidents described contained information on consequences to living organisms, and only 10% contained any information on consequences to ecosystems. A relationship was found between the minimum kilometers of shore polluted and the tonnes released in the case of shore pollution from oil accidents. Oil slicks were shown to be five times longer than broad. Gravity scales used to describe and evaluate environmental consequences were discussed.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 79 (1967), S. 1009-1011 
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 76 (1964), S. 909-919 
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Bei Aminoplastkondensationen wird eine nucleophile Komponente über das Carbonylkohlenstoffatom eines Aldehyds oder Ketons mit dem Stickstoffatom der NH-gruppenhaltigen Verbindung verknüpft. Nach den bekannten Harnstoff-Formaldehyd-Kondensationen haben wir für diese Reaktionen in Analogie zur α-Aminoalkylierung den Namen α-Ureidoalkylierung vorgeschlagen. Für den Chemismus ist das durch Mesomerie stabilisierte α-Ureidoalkyl-(carbonium-immonium)-Ion als ureidoalkylierendes Agens besonders wichtig. Es setzt sich in elektrophiler Substitutionsreaktion mit geeigneten nucleophilen Kondensationspartnern um. Dank der Zurückführung auf allgemeine Gesetzmäßigkeiten konnten neue Verbindungsklassen und zahlreiche neue Reaktionen vorausgesagt und gefunden werden. Damit ist es heute möglich, daß trotz der Variationsfähigkeit der α-Ureidoalkylierungsreaktionen der Verlauf unbekannter Kondensationen mit größerer Sicherheit als bisher abgeschätzt werden kann.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 40 (1927), S. 491-491 
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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