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  • 1
    Electronic Resource
    Electronic Resource
    Routes of nitrogen formation in reduction of nitrogen oxide by carbon monoxide and hydrogen over nickel chromite catalyst (1987)
    Springer
    Reaction kinetics and catalysis letters 34 (1987), S. 289-293 
    Details
    ISSN: 1588-2837
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Abstract На никельхромитном катализаторе общая схема восстановления NO в N2 зависит от природы восстановителя восстановление NO молекулярным водородом протекает, преимущественно, через стадию образования N2O, восстановление NO оксидом углерода, преимущественно, путем непосредственного превращения NO в N2, т. э. минуя стадию образования промежуточного соединения N2O.
    Notes: Abstract The route of NO reduction to N2 over nickel chromite catalyst is dependent on the nature of the reducing agent. NO reduction by dihydrogen proceeds mainly through the step of N2O formation, whereas NO reduction to N2 by carbon monoxide is mainly direct without a step of N2O formation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02068019
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    Paper (German National Licenses)
    Fulltext
  • 2
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    Unknown
    Steady-state analysis of a faulted three-phase four-wire system supplying induction motors with neutrals connected and other single-phase line-to-neutral loads (1980)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Four wire Wye connected ac power systems exhibit peculiar steady state fault characteristics when the fourth wire of three phase induction motors is connected. The loss of one phase of power source due to a series or shunt fault results in currents higher than anticipated on the remaining two phases. A theoretical approach to compute the fault currents and voltages is developed. A FORTRAN program is included in the appendix.
    Keywords: ELECTRONICS AND ELECTRICAL ENGINEERING
    Type: NASA-TM-80795 , JSC-16517 , IN-80-EH-3
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    Unknown
    Three-phase induction motors (1978)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Program simulates performance characteristics of three-phase induction motors under normal conditions and extreme temperature, frequency, voltage magnitude, and voltage balance.
    Keywords: MACHINERY
    Type: MSC-16904 , NASA Tech Briefs (ISSN 0145-319X); 3; 2; P. 288
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    Unknown
    Performance characteristics of three-phase induction motors (1977)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: An investigation into the characteristics of three phase, 400 Hz, induction motors of the general type used on aircraft and spacecraft is summarized. Results of laboratory tests are presented and compared with results from a computer program. Representative motors were both tested and simulated under nominal conditions as well as off nominal conditions of temperature, frequency, voltage magnitude, and voltage balance. Good correlation was achieved between simulated and laboratory results. The primary purpose of the program was to verify the simulation accuracy of the computer program, which in turn will be used as an analytical tool to support the shuttle orbiter.
    Keywords: ELECTRONICS AND ELECTRICAL ENGINEERING
    Type: NASA-TM-74762 , JSC-12899
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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