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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 28 (1924), S. 457-474 
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 111 (1923), S. 463-464 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN a recent issue of NATURE (January 27, p. 114). Messrs. Ryan and Harkins have published some photographs of the ionisation tracks of recoiling atoms produced by collision of α-particles with air molecules. We have been also engaged in photographing the tracks of α-particles from polonium in ...
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Pure and applied geophysics 105 (1973), S. 781-801 
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Summary In this paper approximate expressions for the surface displacements due to a buried spherical source inside an isotropic elastic layer with one surface stress-free and the other (i) rigid, (ii) stress-free, have been obtained. Graphical representations for the surface displacements at a large distance have also been found.
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Naturwissenschaften 61 (1974), S. 687-688 
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 35 (1924), S. 144-156 
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Journal of materials science 7 (1972), S. 153-158 
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Regions of lattice disorder produced in lithium-doped float-zone melted n/p-type silicon solar cells by irradiation with mono-energetic neutrons at doses between 1010 and 1013/cm2 have been studied. The defect regions were revealed by chemically etching the surface of the solar cells and by observing carbon replicas in an electron microscope. It was found that the defect density increased with increasing irradiation dose and increased lithium content, whereas the average defect diameter was found to decrease. From thermal annealing experiments it was found that in the lithium-doped material the defect structure was stable at temperatures between 300 and 1200° K. This was found to be in contrast to the undoped material where at the lowest doses considerable annealing was observed to occur. The above results are discussed in terms of the theoretical predictions and models of defect clusters proposed by Gossick and Crawford and Cleland.
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Journal of materials science 7 (1972), S. 153-158 
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Regions of lattice disorder produced in lithium-doped float-zone melted n/p-type silicon solar cells by irradiation with mono-energetic neutrons at doses between 1010 and 1013/cm2 have been studied. The defect regions were revealed by chemically etching the surface of the solar cells and by observing carbon replicas in an electron microscope. It was found that the defect density increased with increasing irradiation dose and increased lithium content, whereas the average defect diameter was found to decrease. From thermal annealing experiments it was found that in the lithium-doped material the defect structure was stable at temperatures between 300 and 1200° K. This was found to be in contrast to the undoped material where at the lowest doses considerable annealing was observed to occur. The above results are discussed in terms of the theoretical predictions and models of defect clusters proposed by Gossick and Crawford and Cleland.
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Journal of materials science 9 (1974), S. 1577-1584 
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The infra-red spectra of the major cement minerals, synthetic mixes of the four important clinker phases and commercial clinkers and cements have been studied both by the absorption technique as well as by the attenuated total reflectance technique of powder samples. The possibility of general application of infra-red spectrometry in the quality control of clinkers and cements has been indicated especially with reference to the relative proportion of the tricalcium and dicalcium silicate phases. In this context the potentiality of the attenuated total reflectance technique in cement characterization has been especially emphasized.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    New York : Wiley-Blackwell
    Journal of Polymer Science: Polymer Physics Edition 10 (1972), S. 2305-2309 
    ISSN: 0098-1273
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 143 (1971), S. 181-187 
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Eine neue, schnelle Methode, nämlich die Technik der Gaschromatographie, fand zur Bestimmung des Löslichkeitsparameters von Polyäthylen Anwendung. Zwischen den berechneten Mengen, die das Polymere von verschiedenen reinen Komponenten aufgenommen hat, und den experimentell bestimmten Mengen besteht ein logarithmischer Zusammenhang.
    Notes: A new and quick method, namely, the gaschromatographic technique, has been used to determine the solubility parameter of polyethylene. The calculated quantities of sorption of various pure components in polymer bears a logarithmic relationship to the experimental values.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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