منابع مشابه
Upgrades to the XRD1 beamline optics and endstation at the LNLS
XRD1 was the first X-ray diffraction beamline to be built at the LNLS and after approximately 12 years of operation it was substantially updated to improve beam stability, increase the reliability of the monochromator movement as well as provide an experimental hutch that would meet the demands of users. The improvements included the construction of an independent concrete slab below the mirror...
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As we go to brighter light sources and time resolved experiments, different approaches for executing faster scans in synchrotrons are an ever-present need. In many light sources, performing scans through a sequence of hardware triggers is the most commonly used method for synchronizing instruments and motors. Thus, in order to provide a sufficiently flexible and robust solution, the X-Ray Imagi...
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The SAMBA X-ray Absorption beamline has been operating for users since January 2008. The beamline covers a large energy range from 4 up to 40 keV in two working modes: a “high flux” mode using a sagittally focusing monochromator and a “time-resolved” mode using a dedicated Quick-EXAFS monochromator. Herein a technical description of the main beamline components is given and results concerning e...
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(23S)-23,25-Dihydroxycholecalciferol was converted into at least five metabolites in kidney homogenates prepared from 1,25-dihydroxycholecalciferol-treated chickens. One of these has been positively identified as 23,25,26-trihydroxycholecalciferol by u.v.-absorbance analysis, mass spectrometry and chemical formation of derivatives. 23,25,26-Trihydroxycholecaciferol produces 25-hydroxycholecalci...
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ژورنال
عنوان ژورنال: Journal of Synchrotron Radiation
سال: 2001
ISSN: 0909-0495
DOI: 10.1107/s0909049501005143