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  • MACHINE ELEMENTS AND PROCESSES  (1)
  • PROPELLANTS  (1)
  • SPACE COMMUNICATIONS, SPACECRAFT COMMUNICATIONS, COMMAND AND TRACKING  (1)
  • betaine.  (1)
Collection
Keywords
Publisher
Years
  • 1
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Phytochemistry 26 (1987), S. 3353-3354 
    ISSN: 0031-9422
    Keywords: Acanthaceae ; Eranthemum pulchellum ; betaine. ; eranthemoside ; iridoid glucoside
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
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    In:  Other Sources
    Publication Date: 2011-08-18
    Description: The responsibilities and structural organization of the Operations Planning Group of NASA Deep Space Network (DSN) Operations are outlined. The Operations Planning group establishes an early interface with a user's planning organization to educate the user on DSN capabilities and limitations for deep space tracking support. A team of one or two individuals works through all phases of the spacecraft launch and also provides planning and preparation for specific events such as planetary encounters. Coordinating interface is also provided for nonflight projects such as radio astronomy and VLBI experiments. The group is divided into a Long Range Support Planning element and a Near Term Operations Coordination element.
    Keywords: SPACE COMMUNICATIONS, SPACECRAFT COMMUNICATIONS, COMMAND AND TRACKING
    Format: text
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  • 3
    Publication Date: 2019-05-11
    Description: Ramjet baffle type combustion chambers & turbulent flow studies
    Keywords: PROPELLANTS
    Format: text
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  • 4
    Publication Date: 2019-07-13
    Description: A 71 cm diameter 74 cm length boron/epoxy composite rocket motor chamber was designed based on the geometric configuration of the JPL Applications Technology Satellite titanium alloy apogee motor chamber. Because analyses showed large stress concentrations in the domes, the configuration was modified using the same basic constraints for openings and attachments. The rocket motor chamber was then fabricated by filament winding with boron/epoxy tape and hydrostatically tested to failure at 264 N/sq cm, 57.2 N/sq cm above the design value. Two more rocket motor chambers were fabricated with the same basic constraints, but shortened to 57.6 cm for a smaller propellant load. The first of these short chambers failed in proof because of filament winding fabrication difficulties. The second chamber was successfully fabricated and passed the hydrostatic proof test.
    Keywords: MACHINE ELEMENTS AND PROCESSES
    Type: Society of the Plastics Industry, Annual Conference; Feb 08, 1972 - Feb 11, 1972; Washington, DC
    Format: text
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