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  • Chemistry  (1)
  • ELECTRONICS AND ELECTRICAL ENGINEERING  (1)
  • 1975-1979  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Zur Verwendung des Tosylaminocarbonyl-Restes als Amino-Schutzgruppe in der PeptidchemieHerrn Prof. Dr. H. Bretschneider zum 70. Geburtstag gewidmet (1975)
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 58 (1975), S. 139-146 
    Details
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Several N-tosylaminocarbonyl amino acids and corresponding di- and tripeptides were prepared in order to investigate the suitability of the tosylaminocarbonyl group as an amino protecting group in peptide chemistry. The group is shown to be selectively cleavable under neutral conditions.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/hlca.19750580119
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    Paper (German National Licenses)
    Fulltext
  • 2
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    Three phase full wave dc motor decoder (1977)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A three phase decoder for dc motors is disclosed which employs an extremely simple six transistor circuit to derive six properly phased output signals for fullwave operation of dc motors. Six decoding transistors are coupled at their base-emitter junctions across a resistor network arranged in a delta configuration. Each point of the delta configuration is coupled to one of three position sensors which sense the rotational position of the motor. A second embodiment of the invention is disclosed in which photo-optical isolators are used in place of the decoding transistors.
    Keywords: ELECTRONICS AND ELECTRICAL ENGINEERING
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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