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  • Chemistry  (18)
  • Atomic, Molecular, and Optical Physics  (4)
  • Atomic and molecular structure and dynamics  (1)
  • 2010-2014  (5)
  • 1975-1979  (10)
  • 1960-1964  (8)
  • 11
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 445 (1978), S. 175-183 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Synthesis and Properties of Some Polymeric Compounds, Formed from Sixmembered or Eightmembered C—S Ringss-Trithiane, substituted s-trithianes and s-tetrathiocanes, cyclooctasulfur and to some extent selenium can be polymerized together with s-tetrathiocane, if the molten mixtures are treated with a trace of borontrifluoride etharate. This leads to polymethylene sulfides, substituted polymethylene sulfides, polymethylene polysulfides and polymethylene sulfide selenides which melt mostly without decomposition.
    Notes: s-Trithian, monosubstituierte s-Trithiane und s-Tetrathiocane, Cyclooctaschwefel und in begrenztem Maße auch Selen können zusammen mit Tetrathiocan polymerisiert werden, wenn die geschmolzenen Gemische mit einer Spur Bortrifluoridetherat behandelt werden. Es entstehen dabei meist unzersetzt schmelzende Polymethylensulfide, substituierte Polymethylensulfide, Polymethylenpolysulfide und Polymethylensulfidselenide.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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  • 12
    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.
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  • 13
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 445 (1978), S. 167-174 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On Some New Coordination Compounds of Platinum (II) and Palladium (II) with Multidendate ThioethersA simple synthesis is given for the formation of seven trithioethers (partly already known). Their reactions with K2PtCl4 and K2PdCl4 lead to new co-ordination compounds. In eight cases soluble, ringshaped molecules with two metal-sulphur bonds were obtained, whereas in two other cases metal-nitrogen co-ordination leads to in soluble polymeric products.
    Notes: Nach einem einfachen Syntheseprinzip für teilweise schon früher bekannte Trithioether werden deren Umsetzungen mit K2PtCl4 und K2PdCl4 beschrieben. Sie führen in acht Fällen zu löslichen, ringförmigen Komplexverbindungen mit zwei Metall-Schwefel-Bindungen. Zwei weitere Verbindungen, die über Metall-Stickstoff-Bindungen koordiniert sind, sind unlösliche Polymere.
    Additional Material: 8 Tab.
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  • 14
    ISSN: 0947-5117
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Interactions between creep deformation and hot gas corrosionThe paper starts with a short explanation of the basic processes during the high temperature corrosion and of deformation under creep stress.Corrosion may give rise to an increase or a decrease of creep resistance, or it may result in an increase of the stress applied. The individual mechanisms are explained and, as far as possible, illustrated by examples. As a rule, however, several factors act simultaneously. The concerted actions is further complicated by back effects of a creep deformation on the corrosion processes. In the case of iron and nickel base alloys there exist obviously critical strain rates beyond which corrosion is enhanced and then proceeds more pronouncedly at the grain boundaries. It is also possible that then internal corrosion processes are triggered, in particular, in the grain boundary regions.While a qualitative assessment of the relationships between corrosion and creep deformation is possible, the feasibility of a quantitative description is still far away. As a rule, however, the aspect of a strength decrease will prevail although, in principle, corrosion may give rise to a strengthening, too.
    Notes: Einleitend werden kurz die Grundvorgänge der Heißgaskorrosion und der Verformung unter Zeitstandbeanspruchung erläutert.Die Korrosion kann den Kriechwiderstand erhöhen oder erniedrigen oder aber auch die anliegende Spannung vergrößern. Die einzelnen Mechanismen werden erläutert und - soweit möglich - durch Beispiele belegt. In der Regel wirken jedoch gleichzeitig mehrere Faktoren ein. Das Zusammenspiel wird durch Rückwirkungen der Kriechverformung auf die Korrosionsvorgänge weiter kompliziert. Für Eisen- und Nickelbasislegierungen gibt es offenbar kritische Dehngeschwindigkeiten, bei deren Überschreiten die Korrosion verstärkt und stärker korngrenzenorientiert abläuft. Auch innere Korrosionsvorgänge können dadurch besonders im Korngrenzenbereich ausgelöst werden.Während die Zusammenhänge zwischen Korrosion und Kriechverformung qualitativ überschaubar sind, liegt die Möglichkeit einer quantitativen Beschreibung noch in weiter Ferne. In der Regel werden die „Negativ-Punkte“ überwiegen, obgleich im Prinzip die Korrosion auch eine Verfestigung bewirken kann.
    Additional Material: 13 Ill.
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  • 15
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 76 (1964), S. 615-615 
    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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  • 16
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Angewandte Chemie International Edition in English 1 (1962), S. 327-328 
    ISSN: 0570-0833
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Tab.
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  • 17
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Angewandte Chemie International Edition in English 1 (1962), S. 661-661 
    ISSN: 0570-0833
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
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  • 18
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Angewandte Chemie International Edition in English 1 (1962), S. 660-660 
    ISSN: 0570-0833
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 19
    Publication Date: 2012-05-01
    Description: Author(s): J. Wu, L. Ph. H. Schmidt, M. Kunitski, M. Meckel, S. Voss, H. Sann, H. Kim, T. Jahnke, A. Czasch, and R. Dörner We coincidently measure the molecular-frame photoelectron angular distribution and the ion sum-momentum distribution of single and double ionization of CO molecules by using circularly and elliptically polarized femtosecond laser pulses, respectively. The orientation dependent ionization rates for v... [Phys. Rev. Lett. 108, 183001] Published Mon Apr 30, 2012
    Keywords: Atomic, Molecular, and Optical Physics
    Print ISSN: 0031-9007
    Electronic ISSN: 1079-7114
    Topics: Physics
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  • 20
    Publication Date: 2011-07-21
    Description: Author(s): J. Wu, A. Vredenborg, B. Ulrich, L. Ph. H. Schmidt, M. Meckel, S. Voss, H. Sann, H. Kim, T. Jahnke, and R. Dörner We observe multiply frustrated tunneling ionization-induced dissociation of the argon dimers by intense linearly polarized ultrashort laser pulses. By measuring the kinetic energy release and angular distribution of the Coulomb explosion of up to eightfold ionized argon dimers, we can trace the reca... [Phys. Rev. Lett. 107, 043003] Published Wed Jul 20, 2011
    Keywords: Atomic, Molecular, and Optical Physics
    Print ISSN: 0031-9007
    Electronic ISSN: 1079-7114
    Topics: Physics
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