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  • 1
    Electronic Resource
    Electronic Resource
    Investigation of the Interfacial Region Formed During ZnO Growth on Si(100) Substrate Using Single-source CVD (1996)
    Chichester [u.a.] : Wiley-Blackwell
    Surface and Interface Analysis 24 (1996), S. 675-678 
    Details
    ISSN: 0142-2421
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Notes: The growth process of ZnO films on Si(100) by single-source chemical vapour deposition (CVD) was investigated. During the initial stages of growth (film thickness 〈30Å), oxidation of the Si substrate was observed which resulted in an interfacial region consisting of ZnO and Si oxides. For film thicknesses in excess of 40 Å the composition of the film approaches that of a continuous ZnO film. It is suggested that the mixed interfacial region strongly influences the adhesion of the film on the substrate by providing Zn-O-Si-type bonds. The oxidation of the substrate during the initial film growth may have direct implications on the type of contact layers that can be used in ZnO thin-film devices using single-source CVD techniques.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    144. Tropfengröße und -geschwindigkeit an Rotationszerstäbern unter Berücksichtigung der Luftreibung (1999)
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 71 (1999), S. 1037-1037 
    Details
    ISSN: 0009-286X
    Keywords: Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cite.3307109148
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  • 3
    Electronic Resource
    Electronic Resource
    Time-resolved synchrotron radiation x-ray solution scattering study of DNA melting (1989)
    New York : Wiley-Blackwell
    Biopolymers 28 (1989), S. 1505-1514 
    Details
    ISSN: 0006-3525
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Time resolved x-ray solution scattering measurements were made during thermal denaturation of DNA from various sources in the temperature range of 20-90°C. Preliminary results on the influence of fragement length, ionic strength, and origin of the DNA on the time course of the scattering are described. Interpretation is based on model calculations of the scattering patterns. The resluts indicate that, for long DNA fragments at very low ionic strength, the melting process is a continuous phenomenon over the whole temperature range. It is accompanied by a progressive decrease of the radius of gyration of the cross section and of the mass per unit length. For short fragments of 146 base pair nucleosomal core DNA, stiffening of the DNA appears to precede a sharp melting transition.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bip.360280903
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  • 4
    Electronic Resource
    Electronic Resource
    Über die Einwirkung von nitrosen Gasen und Sauerstoff auf Wasser (1908)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 21 (1908), S. 2161-2172 
    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.19080214203
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  • 5
    Electronic Resource
    Electronic Resource
    Über die Einwirkung von nitrosen Gasen und Sauerstoff auf Wasser (1908)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 21 (1908), S. 2209-2219 
    Details
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ange.19080214303
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  • 6
    Electronic Resource
    Electronic Resource
    Darstellung von Methylthiocyan-Addukten CH3SCN · MF5 (M = As, Sb) und Kristallstruktur von CH3SCN · AsF5 (1990)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 590 (1990), S. 93-102 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Preparation of CH3SCN · MF5 Adducts (M = As, Sb) and Crystal Structure of CH3SCN · AsF5The preparation and spectroscopic characterization of CH3SCN · MF5 M = As, Sb is reported. X-Ray structure analysis shows that the adduct CH3SCN · AsF5 is N coordinated. It crystallizes in the monoclinic space group P21/m (Nr. 11) with a = 537.07(6) pm, b = 755.28(10) pm, c = 863.19(10) pm, β = 91.81(1)°, Z = 2. The geometric parameters correspond to the expected values.
    Notes: Es wird über die Darstellung von CH3SCN · MF5 (M = As, Sb) und ihre spektroskopische Charakterisierung berichtet. Nach einer Strukturanalyse durch Röntgenbeugung ist das Addukt CH3SCN · AsF5 über N koordiniert und kristallisiert in der monoklinen Raumgruppe P21/m (Nr. 11) mit a = 537,07(6) pm, b = 755,28(10) pm, c = 863,19(10) pm, β = 91,81(1)°, und Z = 2. Die Geometrieparameter entsprechen den Erwartungen.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19905900110
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  • 7
    Electronic Resource
    Electronic Resource
    Darstellung von Cyanhalogenmethyl- und Dicyanhalogensulfoniumsalzen CH3(CN)SHal+MF6- und (CN)2 SHal+MF6- (Hal = F, Cl, Br, I; M = As, Sb) sowie von Methylthionitrillium- und (μ-Thio)bisnitriliumhexafluorometallaten CH3SCNX+MF6- und S(CNH)22+ (MF6-)2 (X = H, D) (1991)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 596 (1991), S. 77-88 
    Details
    ISSN: 0044-2313
    Keywords: Cyanhalogenomethyl salts ; dicyanhalosulfonium salts ; methylthionitrilium metallates ; (μ-thio)bisnitriliumhexafluoro metallates ; preparation ; i.r., n.m.r. data ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Preparation of Cyanhalogenomethyl and Dicyanhalogensulfonium Salts CH3(CN)SHal+MF6- and (CN)2SHal+MF6- (Hal = F, Cl, Br, I; M = As, Sb) and Methylthionitrilium and (μ-Thio)bisnitriliumhexafluoro Metallates CH3SCNX+MF6- and S(CNH)22+ (MF6-)2 (X = H, D)Oxidative halogenation of CH3SCN and S(CN)2 with XeF+MF6-, Cl2/MF5/SO2, Br2/MF5/SO2 and I3+MF6- leads to S-coordinated cations. The complete spectroscopic series of the halogensulfonium salts CH3S(CN)Hal+MF6- and (CN)2SHal+MF6- (Hal = F, Cl, Br, I; M = As, Sb) as well as hexafluoroarsenate and -antimonate were recorded.However the protonation of divalent cyansulfanes in superacidic media HF/MF5 takes place at the nitrogen atom to nitrilium salts in analogy to the adduct formation with strong Lewis acids.
    Notes: Bei der oxidativen Halogenierung von CH3SCN und S(CN)2 mit XeF+MF6-, Cl2/MF5/SO2, Br2/MF5/SO2 und I3+MF6- erfolgt eine Koordination am Schwefel, und es wurden die kompletten spektroskopischen Reihen der S-Halogensulfoniumsalze CH3S(CN)Hal+MF6- und (CN)2SHal+MF6-(Hal = F, Cl, Br, I; M = As, Sb) jeweils als Hexafluoroarsenat und -antimonat hergestellt.Dagegen erfolgt die Protonierung der divalenten Cyansulfane im supersauren Milieu HF/MF5 am Stickstoff zu Nitriliumsalzen analog wie die Koordination bei der Adduktbildung mit starken Lewissäuren.
    Additional Material: 5 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19915960111
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  • 8
    Electronic Resource
    Electronic Resource
    Eigenspannungen in der Oberfläche gas- und badnitrierter Stahlproben (1973)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 4 (1973), S. 81-85 
    Details
    ISSN: 0933-5137
    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: Residual stresses in the surface of gas and bath nitrided steel specimens. Residual stresses in the steels Ck 45, 34 Cr 4, 34 CrAl 6, and Ck 15 were measured by X-ray diffraction. Cylindrical specimens of the heat-treated steels were nitrided in ammonia-gas and in a Tenifer®-salt- bath. The course of residual stresses of Ith order was determined by removing thin layers. With the carbon steel Ck 15 ist shown the effect of tempering on residual stresses in bath-nitrided and quenched specimens.
    Notes: Es wird über röntgenographische Spannungsmessungen an den Stählen Ck 45, 34 Cr 4, 34 Cr Al 6 und Ck 15 berichtet. Zylindrische Proben aus den Vergütungsstählen wurden im Ammoniak-Gasstrom und im Tenifer®-Salzbad nitriert und der Verlauf der Eigenspannungen I. Art durch Abtragen und mehrfaches Messen bestimmt. Am Beispiel des Kohlenstoffstahles Ck 15 wird gezeigt, wie sich eine thermische Nachbehandlung auf die Eigenspannungen badnitrierter und nach der Behandlung in Wasser abgeschreckter Proben aus diesem Werkstoff auswirkt.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19730040207
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  • 9
    Electronic Resource
    Electronic Resource
    Eigenspannungsänderungen beim Überrollen von gehärtetem Wälzlagerstahl 100 Cr 6 (1980)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 11 (1980), S. 68-72 
    Details
    ISSN: 0933-5137
    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: Internal Stresses due to Rolling with and without SlipInternal stresses have been measured in specimens of roller bearing steel 100 Cr 6 with X-ray technique. The course of the internal stresses has been determined in dependence of the number of load cycles and slip. It is shown, that the internal stresses strongly depend on the slip magnitude.
    Notes: Mit Hilfe der röntgenographischen Eigenspannungsmessung wurde die Eigenspannungsausbildung in Proben aus 100 Cr 6 in Abhängigkeit von Überrollungszahl und Schlupf ermittelt. Es zeigt sich, daß die Eigenspannungsausbildung sehr stark vom Makroschlupf bestimmt wird.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19800110208
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  • 10
    Electronic Resource
    Electronic Resource
    Eigenspannungsmessungen an unterschiedlich abgekohlten, kugelgestrahlten und torsionsschwellbeanspruchten Proben aus FederstahlHerrn Prof. Dr. rer. nat. Dr.-Ing. E.h. E. Macherauch zum 60. Geburtstag gewidmet (1986)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 17 (1986), S. 350-356 
    Details
    ISSN: 0933-5137
    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: Residual Stress Measurements on Differently Decarburized, Shot Peened and Cyclic Torsional Loaded Specimens of a Spring SteelIn addition to previous fatigue tests with the spring material 55 Cr 3, X-ray residual stress measurements were carried out on differently decarburized, shot peened and cyclic torsional loaded specimens. It was shown that longer duration of decarburization leads to higher residual tensile stress in the surface zone for not peened specimens. Shot peening, however, effects almost equal residual compressive stresses in the surface zone in spite of different starting conditions, with a slight decrease for specimens with a long duration of decarburization, which corresponds to the results of the fatigue tests.By cyclic torsional loading with mean stress the residual compressive stresses due to shot peening are diminished in the axial and circumferential directions. A main stress system is now to be found with an angle of 45° to axis, whereas the residual stresses in the s̰1-(tensile direction) retain their values, those in the s̰2-(compressive) direction are decreased distinctly.
    Notes: Im Rahmen eines von der Arbeitsgemeinschaft Industrieller Forschungsvereinigungen geförderten Forschungsvorhabens wurden zahlreiche Torsionsschwellversuche an Rundproben mit 14 mm ∅ aus dem Werkstoff 55 Cr 3 durchgeführt. Zur Interpretation der Schwingfestigkeitsergebnisse wurden Härte- und Kohlenstoffverlaufskurven in der Randschicht der einzelnen Probenvarianten aufgenommen und metallographische Untersuchungen vorgenommen [1].Um die Aussagefähigkeit der Schwingfestigkeitsergebnisse zu verbessern, wurde anschließend ein reduziertes Programm zur Untersuchung der Eigenspannungszustände der wesentlichen Abkohlungsvarianten an Proben der gleichen Charge durchgeführt. Über die Ergebnisse dieser Eigenspannungsmessungen wird im folgenden ausführlich berichtet, wobei zunächst einleitend die wichtigsten Parameter und Ergebnisse des Forschungsvorhabens zusammengefaßt dargestellt werden.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19860170910
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