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  • PROPELLANTS AND FUELS  (3)
  • Electron microscopy determinations (including scanning tunneling electron microscopy methods)  (1)
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  • 1
    Digitale Medien
    Digitale Medien
    The transport and switching of Xe atoms on the Ni-W interface of a scanning tunnelling microscope (1993)
    Springer
    Il nuovo cimento della Società Italiana di Fisica 15 (1993), S. 451-457 
    Details
    ISSN: 0392-6737
    Schlagwort(e): Electron microscopy determinations (including scanning tunneling electron microscopy methods) ; Other topics in nonelectronic transport properties ; Geometry ; atomic and molecular orientation ; crystal shapes ; surface topography
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Summary The transport and switch of Xe atoms on the Ni-W interface of a scanning tunnelling microscope have been analysed for different geometries as a function of the tip position with respect to the Ni(110) surface. Our results show that the control of the different experimental results can only be achieved by a precise control of the position of the tip on the sample. In particular, the tip-sample Xe switch can only be obtained within tip heights of 0.2Å.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02456927
    Standort Signatur Erwartet Verfügbarkeit
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    Artikel (Nationallizenzen)
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  • 2
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    Effect of hydroprocessing severity on characteristics of jet fuel from OSCO 2 and Paraho distillates (1981)
    In:  CASI
    Details
    Publikationsdatum: 2019-06-28
    Beschreibung: Jet A boiling range fuels and broad-property research fuels were produced by hydroprocessing shale oil distillates, and their properties were measured to characterize the fuels. The distillates were the fraction of whole shale oil boiling below 343 C from TOSCO 2 and Paraho syncrudes. The TOSCO 2 was hydroprocessed at medium severity, and the Paraho was hydroprocessed at high, medium, and low severities. Fuels meeting Jet A requirements except for the freezing point were produced from the medium severity TOSCO 2 and the high severity Paraho. Target properties of a broad property research fuel were met by the medium severity TOSCO 2 and the high severity Paraho except for the freezing point and a high hydrogen content. Medium and low severity Paraho jet fuels did not meet thermal stability and freezing point requirements.
    Schlagwort(e): PROPELLANTS AND FUELS
    Materialart: NASA-TP-1768 , E-617
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    NASA TECHNICAL REPORTS
  • 3
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    Unbekannt
    Use of refinery computer model to predict fuel production (1979)
    In:  CASI
    Details
    Publikationsdatum: 2019-06-27
    Beschreibung: Several factors (crudes, refinery operation and specifications) that affect yields and properties of broad specification jet fuel were parameterized using the refinery simulation model which can simulate different types of refineries were used to make the calculations. Results obtained from the program are used to correlate yield as a function of final boiling point, hydrogen content and freezing point for jet fuels produced in two refinery configurations, each one processing a different crude mix. Refinery performances are also compared in terms of energy consumption.
    Schlagwort(e): PROPELLANTS AND FUELS
    Materialart: NASA-TM-79203 , E-088
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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    NASA TECHNICAL REPORTS
  • 4
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    Literature survey of properties of synfuels derived from coal (1982)
    In:  CASI
    Details
    Publikationsdatum: 2019-07-13
    Beschreibung: A literature survey of the properties of synfuels for ground-based turbine applications is presented. The four major concepts for converting coal into liquid fuels (solvent extraction, catalytic liquefaction, pyrolysis, and indirect liquefaction), and the most important concepts for coal gasification (fixed bed, fluidized bed, entrained flow, and underground gasification) are described. Upgrading processes for coal derived liquid fuels are also described. Data presented for liquid fuels derived from various processes, including H-coal, synthoil, solvent refined coal, COED, donor solvent, zinc chloride hydrocracking, co-steam, and flash pyrolysis. Typical composition, and property data is also presented for low and medium-BTU gases derived from the various coal gasification processes.
    Schlagwort(e): PROPELLANTS AND FUELS
    Materialart: NASA-TM-82739 , E-1052 , DOE/NASA/10350-30 , NAS 1.15:82739 , ASTM Symp. on alternate fuels and future fuels specifications for stationary gas turbine applications; Dec 09, 1981 - Dec 10, 1981; Phoenix, AZ; United States
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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    NASA TECHNICAL REPORTS
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