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  • 1990-1994  (3)
  • 1975-1979
  • 1990  (3)
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  • 1990-1994  (3)
  • 1975-1979
Year
  • 1
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 61 (1990), S. 1832-1834 
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: The complex permittivity of various ceramics has been measured at elevated temperatures. The permittivity measurements were made using the cavity perturbation technique at a fixed frequency of 10.1 GHz. The temperature of the sample was varied from 800 to 1000 °C by independently heating the samples using a CO2 laser (up to 27 W) directed into the cavity. The samples were mounted in quartz micropipettes and illuminated through the quartz. The sample temperature was measured using an optical pyrometer. This method is valuable for measuring the microwave properties of solids that normally are exposed to microwave radiation at elevated temperatures such as high-power microwave sources, components, and windows.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 61 (1990), S. 1433-1435 
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A simple device has been built that will allow spectrophotometric measurements of very small samples (2–5 μl ) in capillary tubes. This attachment is sized to fit in the standard 12.5×12.5 mm2 sample holder slot of commercially available spectrophotometers. A cylindrical quartz lens focuses light from the source onto quartz (for UV measurements and visible measurements) micropipettes and a second lens recollimates the light before it is sent to the detector to optimize the light efficiency. This device was initially used to measure the concentration of small samples of concentrated pUC 8 DNA which has an absorption line at 260 nm.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Cambridge : Cambridge University Press
    Utilitas 2 (1990), S. 195-219 
    ISSN: 0953-8208
    Source: Cambridge Journals Digital Archives
    Topics: Philosophy
    Notes: The path of those who would approach the study of Bentham's writings on Evidence has been considerably smoothed by the recent publication of William Twining's work on the evidence theories of Bentham and Wigmore. The material on evidence is now being tackled by the Bentham Project. It presents no easy task. The central core, The Rationale of Judicial Evidence, edited and published by John Stuart Mill in 1827, exists only in the printed version, the MSS from which Mill worked having disappeared. But a substantial body of related material which survives has yet to be thoroughly investigated, though William Twining has made a gallant start. A new edition of the work hitherto known as ‘An Introductory View of the Rationale of Evidence’, first printed in full in the Bowring edition of the Works of Jeremy Bentham is in preparation. The first fruits of this endeavour is that the title of that work as it should appear in due course in the new Collected Works will be Introduction to the Rationale of Evidence: An Introductory View for the Use of Lawyers as well as Non-lawyers, the title in fact given to the work by Bentham. It is intended that what follows should similarly be of use to non-lawyers as well as lawyers.
    Type of Medium: Electronic Resource
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