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  • 1
    Electronic Resource
    Electronic Resource
    Evidence for directp p interactions in the fragmentation channelp +α →p + pX at √s=88 GeV (1986)
    Springer
    The European physical journal 324 (1986), S. 67-73 
    Details
    ISSN: 1434-601X
    Keywords: 25.40.-h ; 25.30.+ S ; 13.85.-t
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We have investigated kinematical correlations between the outgoing beam proton and the proton emerging from the fragmentingα-particle inpα collisions at $$\sqrt {s_{p\alpha } } = 88GeV$$ . Strong correlations are seen, indicating the dominance of quasi-elasticpp scattering in the fragmentation channelp+α→p+pX, for the ¦t¦ range 0.05–1.00 (GeV/c)2. A Monte Carlo simulation of this process can explain the observed correlation spectra assuming an admixture of about 16% spectator protons.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01290756
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  • 2
    Electronic Resource
    Electronic Resource
    Untersuchungen zur Rißkorrosion hochfester Seildrähte durch SchwitzwasserAuszug aus Mitteilungen 56/1980 des Sonderforschungsbereiches 64 „Weitgespannte Flächentragwerke“ an der Universität Stuttgart. (1981)
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 32 (1981), S. 201-211 
    Details
    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: Investigations into stress corrosion of high strength rope wires in condensating waterIn stress corrosion tests uncoated, galvanized and aluminized rope wires were submitted to the influence of periodically condensating water. Real concentrations of atmospheric contaminants as chlorides, carbon dioxide and sulfur dioxide were added, too.Fractures only were caused under conditions of crevice corrosion as in covered zones. The added contaminants and contact elements, too, did not especially influence fractures. Under the fixed test conditions the life time of the galvanized wires was reduced in relation to the uncoated and aluminized wires.
    Notes: Es wurde der Einfluß einer häufigen Schwitzwasserbeaufschlagung auf das Rißkorrosionsverhalten schwarzer, verzinkter und aluminierter Drähte für Seile untersucht. Den Korrosionszellen wurden auch Schadstoffe, u.a. Chloride, Kohlendioxid und Schwefeldioxid in praxisnahen Konzentrationen zugegeben. Brüche erfolgen nur im Bereich von Kontaktteilen, wo Spaltkorrosionseffekte wirksam werden. Für das Auftreten von Brüchen ist die Art der zusätzlichen Verunreinigungen und die Art von Kontaktelementen nicht von entscheidender Bedeutung. Unter den hier gewählten Versuchsbedingungen ist das Zeitstandverhalten der feuerverzinkten Drähte ungünstiger als jenes von schwarzen bzw. aluminierten Drähten.
    Additional Material: 18 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/maco.19810320503
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  • 3
    Electronic Resource
    Electronic Resource
    Zur Korrosion und Rißkorrosion bei Spannstählen (1981)
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 32 (1981), S. 211-221 
    Details
    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: Corrosion and cracking-corrosion of prestressing steelsSummarizing report about extent and causes of damages of prestressing steels caused by hydrogen cracking-corrosion. Fundamental research of cracking-corrosion of prestressing steel. Results of cracking-corrosion tests with stressed materials in not pure water, in such moistened sand and of water condensating tests. Hereby consideration of contents of chlorides and sulfates as existing in unfilled tubes; partly little addition of the hydrogen-promotor rhodanide.Result that under practical conditions prestressing steels prefer hydrogen induced cracking-corrosion while hereby especially oxygen-poor electrolytes and local corrosion attacks (pitting scars) tend to this hydrogen reception and therefore to failure. These effects are for example often caused by the conditions of crevice-corrosion and by contact with moistened mineral phases (sands). Such is resulting that sensitive prestressing steels are exposed to the danger of failure already before being embedded with mortar.
    Notes: Zusammenfassende Darstellung über Umfang und Ursache von Schadensfällen infolge Wasserstoffrißkorrosion bei Spannstählen. Grundlagen der Rißkorrosion bei Spannstählen. Ergebnisse von Spannungsrißkorrosionsversuchen in verdünnten, wäßrigen Lösungen, in mit verdünnten Lösungen getränktem Sand und unter Schwitzwasserbeanspruchung. Dabei Berücksichtigung praxisnaher Chlorid- und Sulfatgehalte entsprechend dem Hüllrohrwasser; zum Teil Zugabe des Wasserstoffpromotors Rhodanid in geringen Konzentrationen.Feststellung, daß unter praxiskonformen Bedingungen Spannstähle am ehesten einer Wasserstoffrißkorrosion unterliegen, wobei insbesondere sauerstoffverarmte Elektrolyte und örtliche Korrosionsangriffe (Lochfraßnarben) eine Wasserstoffaufnahme und Bruchbildung fördern. Diesbezüglich wirken z. B. Spaltkorrosionseffekte, wie auch Kontakte mit lösungsgetränkten mineralischen Bestandteilen (Sand). Aufgrund der Ergebnisse muß davon ausgegangen werden, daß empfindliche Spannstähle bereits im Zeitraum der Verarbeitung hinsichtlich Wasserstoffrißkorrosion gefährdet sind.
    Additional Material: 17 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/maco.19810320504
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  • 4
    Electronic Resource
    Electronic Resource
    Chemie des Bauwesens. Band 1: Anorganische Chemie. Von K. Krenkler. 494 S., 287 Abb., 11 Tab., XIX. Springer-Verlag Berlin-Heidelberg-New York, 1980. Geb. 88,- DM. ISBN 3-540-1010-1 (1981)
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 32 (1981), S. 287-287 
    Details
    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
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/maco.19810320611
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  • 5
    Electronic Resource
    Electronic Resource
    Monomere Bis- und Tris(amide) des Indiums (1996)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 622 (1996), S. 1060-1064 
    Details
    ISSN: 0044-2313
    Keywords: Tris(2,2,6,6-tetramethylpiperidino)indium; bis(2,2,6,6-tetramethylpiperidino)indium bromide; indium amides; X ray structure analysis ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Monomeric Bis and Tris(amides) of IndiumThe synthesis of tris(2,2,6,6-tetramethylpiperidino)indium 1 and of bis(2,2,6,6-tetramethylpiperidino)indium bromide 2 are described. Both compounds were characterized by NMR and mass spectroscopy. They are monomeric in solution and gasphase. A crystal structure analysis of 1, also described in this work, proofs monomeric 1 in the solid state, too.
    Notes: Die Darstellung von Tris(2,2,6,6-tetramethylpiperidino)indium 1 und von Bis(2,2,6,6-tetramethylpiperidino)-indiumbromid 2 werden beschrieben. Beide Verbindungen wurden NMR und massenspektroskopisch untersucht. Sie liegen in Lösung und Gasphase monomer vor. Die Analyse der Kristallstruktur von 1 belegt dessen monomeres Vorliegen.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19966220621
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  • 6
    Electronic Resource
    Electronic Resource
    Zur Fraktionierten Kristallisation von Schwefel-Selen-Mischkristallen (1982)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 489 (1982), S. 173-178 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On the Fractional Crystallization of Sulfur Selenium Mixed CrystalsSulfur selenium mixed crystals were prepared by melting of sulfur and selenium mixtures in sealed glass tubes. The products were recrystallized from benzene/carbon disulfide. Fractionation of the crystallization products was controlled by their Raman spectra.It can be shown from characteristic frequencies that molecules containing Se - Se bonds are preferably precipitated from the solutions, while S8 and molecules containing isolated Se atoms are enriched in the solvent phase. If the solution temperature is kept below ambient, no rearrangement of the eight membered ring molecules can be observed spectroscopically.
    Notes: Schwefel-Selen-Mischkristalle wurden dargestellt durch Schmelzen der gewünschten Mischung von elementarem Schwefel und Selen in geschlossenen Glasrohren. Die Produkte wurden aus Benzol/Schwefelkohlenstoff umkristallisiert. Die Fraktionierung der Kristallisationsprodukte wurde an Hand ihrer Raman-Spektren kontrolliert.Mit Hilfe charakteristischer Frequenzen kann gezeigt werden, daß Moleküle, die Selen-Selen-Bindungen enthalten, vorzugsweise aus den Lösungen auskristallisieren, während S8 und Moleküle mit isolierten Selen-Atomen sich in der Lösungsphase anreichern. Wenn die Lösungstemperatur unterhalb Raumtemperatur gehalten wird, kann mit spektroskopischen Mitteln keine Umlagerung der achtgliedrigen Ringmoleküle beobachtet werden.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19824890120
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  • 7
    Electronic Resource
    Electronic Resource
    A Numerical Study of Explosive Heating due to Projectile Impact (1978)
    Weinheim : Wiley-Blackwell
    Propellants, Explosives, Pyrotechnics 3 (1978), S. 119-126 
    Details
    ISSN: 0721-3115
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A finite difference Eulerian computer code with some very useful Lagrangian features is employed to study the impact of a projectile on a heavily confined, inert, solid explosive. Temperature rise due to shock compression and plastic deformation in both the explosive and the metal confinement is estimated. It is concluded that in situations where the shock is weak and the explosive does not initiate shortly after the projectile impact, the possibility of it so doing, due to plastic deformation, at a later time cannot be discounted.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prep.19780030404
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