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  • 2000-2004  (1)
  • 1955-1959  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    A New Herbicide: 1 : 1′-Ethylene-2 : 2′-Dipyridylium Dibromide (1958)
    [s.l.] : Nature Publishing Group
    Nature 181 (1958), S. 446-447 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DURING the early spring of 1955, in the course of an investigation at Jealott's Hill Research Station into the herbicidal properties of a series of quaternary ammonium compounds, one chemical showed exceptional activity. This was originally prepared by R. J. Fielden at Blackley by the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/181446a0
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Rapid methods for the calibration of solid-state detectors (2000)
    Chester : International Union of Crystallography (IUCr)
    Journal of synchrotron radiation 7 (2000), S. 18-21 
    Details
    ISSN: 1600-5775
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: A complementary pair of rapid methods for the energy calibration of solid-state detectors have been developed. Each method requires only a single measurement from either (i) a glass sample containing elements chosen to produce fluorescence lines over a suitable energy range when exposed to a polychromatic beam of X-rays, or (ii) a powder diffraction standard in the presence of diffraction slits. The fluorescent glass method has the advantage of allowing simultaneous energy calibration of a number of detectors without requiring diffraction slits. There is the potential for the glass material to be incorporated into virtually any sample holder to allow a continuous in situ calibration. Complementary observations of a powder diffraction standard allow simultaneous calibration of diffraction 2θ and monitoring of the detector for drift.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0909049599014636
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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