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  • 1
    Electronic Resource
    Electronic Resource
    Internal motions of a quasiparticle governing its ultrafast nonlinear response (2007)
    [s.l.] : Nature Publishing Group
    Nature 450 (2007), S. 1210-1213 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A charged particle modifies the structure of the surrounding medium: examples include a proton in ice, an ion in a DNA molecule, an electron at an interface, or an electron in an organic or inorganic crystal. In turn, the medium acts back on the particle. In a polar or ionic solid, a free ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/nature06399
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Simultaneous Electromagnetic Measurement of Blood Flow in the Major Coronary Arteries (1964)
    [s.l.] : Nature Publishing Group
    Nature 203 (1964), S. 148-150 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] CORONARY artery disease is now the leading cause of death in the western hemisphere, and in the United States during the decade 195161 its incidence increased from 219.5 to 274.6 per 100,000 population. Furthermore, the percentage of all deaths from major cardiovascular-renal diseases attributable ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/203148a0
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Multicavity dilatometer for testing circuit-board materials and plastics (1988)
    Springer
    International journal of thermophysics 9 (1988), S. 255-264 
    Details
    ISSN: 1572-9567
    Keywords: circuit board ; dilatometer ; epoxy-glass ; foil ; plastic ; reaction injection molded (RIM) ; thermal expansion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A new quartz rod-type dilatometer is described that is intended for testing material specimens that are available only in flat plate shapes, such as electronic circuit boards, RIM (reaction injection molded), and other plastics. The dilatometer itself employs quartz rod elements satisfying the requirements set forth by applicable ASTM standards and accepted industry practice. By eliminating the need for a quartz tube, the specimens are allowed to be fully supported along their entire length on the furnace wall itself. As a result, even metallic foils as thin as 0.005 in. were successfully tested without buckling at a rate many times faster than can be done with tube-type dilatometers, due to the inherently faster heat transfer offered by this new configuration. The instrument covers a broad temperature range in a single sweep (−150 to 500°C) and is able to accommodate low- and high-expansion materials with the same ease. Representative data on FR-4 circuit-board materials with varying amounts of copper cladding are presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00504245
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    High-sensitivity dilatometer for quality-control use (1988)
    Springer
    International journal of thermophysics 9 (1988), S. 273-278 
    Details
    ISSN: 1572-9567
    Keywords: composites ; dilatometer ; thermal expansion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A simple-to-operate dilatometer, intended for rapid quality-control testing of low-expansion materials in a single temperature interval, is described. The instrument employs a thermoelectric heat/cool element to supply the thermal environment for the sample and a high-sensitivity linear variable differential transformer (LVDT) for displacement measurement. The mechanical configuration is made so as to eliminate the need for quartz correction and to provide a 4∶1 mechanical advantage to the displacement signal for improved accuracy. Operating between 0 and 100°C, the machine proved to give consistently good results with materials having expansion coefficients as low as 0.5×10−6 °C−1. Representative data on some carbonaceous materials and fused silica (quartz) are given.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00504247
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    Paper (German National Licenses)
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