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  • 1
    Electronic Resource
    Electronic Resource
    A simulator for teaching MR image contrast behavior (1994)
    Springer
    Magnetic resonance materials in physics, biology and medicine 2 (1994), S. 515-522 
    Details
    ISSN: 1352-8661
    Keywords: MRI ; continuing education ; training ; computer simulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Physics
    Notes: Abstract A computer program to create magnetic resonance images simulating the main features of a magnetic resonance imaging (MR) machine was developed on a personal computer. The simulated MR images are calculated using the relevant equations describing a chosen pulse sequence on the basis of proton density,T 1 andT 2 images acquired from whole-body MR equipment. The imaging parameters (i.e., TR, TE, TI, etc.) are provided by the user. This program produces highly realistic simulated images and includes features such as choice of echo time, inversion time, repetition time and flip angle, as well as standard features of image display programs such as setting of window level/width, zooming and region of interest definition. A novel additional feature is the ability to define artificial pathologies in user-defined areas by specifying changes in the relaxation times and proton density. The simulator has been developed for teaching and training purposes. A prototype version has been used for teaching MRI with extremely positive reactions from students.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01766086
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Infrarotlaser-spezifische Reaktionen von Bor-Verbindungen, V. Mercaptoborane aus der Reaktion von Diboran mit Schwefelwasserstoff (1976)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 109 (1976), S. 3331-3338 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: I. R. Laser-specific Reactions of Boron Compounds, VMercaptoboranes from the Reaction of Diborane with Hydrogen SulfideThe new and unstable compounds HB(SH)2 (1) and HB(SD)2 are formed by CO2-laser irradiation of a gaseous mixture of B2H6 and H2S or D2S, respectively. In addition, μ-mercapto-diborane, HSB2H5 (2), has been obtained. None of these compounds is produced in the thermal reaction of B2H6 and H2S.
    Notes: Die neuen, instabilen Verbindungen HB(SH)2 (1) und HB(SD)2 bilden sich bei der CO2-Laserbestrahlung eines Gasgemisches von B2H6 und H2S bzw. D2S. Außerdem wurde μ-Mercaptodiboran, HSB2H5 (2), erhalten. Keine dieser Verbindungen entsteht bei der thermisch angeregten Reaktion von B2H6 mit H2S.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19761091008
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Ueber die Producte der Einwirkung von Organomagnesiumverbindungen auf Alkylidenbasen (1905)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 38 (1905), S. 1761-1772 
    Details
    ISSN: 0365-9496
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19050380289
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    Paper (German National Licenses)
    Fulltext
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