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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    European radiology 10 (2000), S. 786-801 
    ISSN: 1432-1084
    Keywords: Key words: CT ; MRI ; Colon ; Colonography ; Virtual colonoscopy ; Colorectal polyp ; Screening
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. With the introduction of multidetector technology in CT and the moveable table with integrated coil modules in MRI, the concept of multiorgan screening has become realistic. CT colonography and MR colonography are new radiologic techniques that promise to be highly sensitive colorectal screening examinations. This article reviews the current status and research directions in CT colonography and MR colonography, and compares these methods.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 117-117 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In order to study the use of the rat uterus for assay purposes, tests were made using acetylcholine solutions as standards for reference. It was found that the cycle of contraction and relaxation was rapid in comparison with that for the guinea pig. The use of statistical planning was then invoked ...
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 47 (1991), S. 12-14 
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Journal of materials science 28 (1993), S. 2677-2686 
    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 Phase relations in the lime-rich portion of the system CaO-B2O3-SiO2 have been studied by microscopy, infrared spectroscopy and X-ray powder diffraction of heated mixtures and quenched charges. Extensive solid solution of B2O3 in Ca2SiO4 occurs along the Ca2SiO4-Ca3B2O6 boundary, which has been studied in detail. It contains a ternary compound, Ca11B2Si4O22, which is stable to liquidus temperatures, melting incongruently to Ca2SiO4 and liquid at 1420 °C. Ca11B2Si4O22forms a eutectic with Ca3B2O6 at 1400 °C and, in the ternary system, with CaO and Ca3B2O6 at 1390 °C.
    Type of Medium: Electronic Resource
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