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  • Chemical Engineering  (4)
  • 1990-1994
  • 1980-1984  (4)
  • 1970-1974
  • 1940-1944
  • 1983  (4)
  • 1973
  • 1
    Electronic Resource
    Electronic Resource
    Mobilization of oil ganglia (1983)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 29 (1983), S. 854-858 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Following secondary recovery processes in conventional light oil reservoirs, more than half the original oil in place may remain trapped as a discontinuous phase. During the previous recovery processes these oil ganglia have been pinched off by capillary forces and remain immobile while the continuous phase which surrounds them is able to flow freely. Furthermore if a portion of this oil is mobilized in a tertiary recovery process the conditions required to apply Darcy's equation to the flow of either phase are violated. These are also problems which are encountered during in-situ recovery techniques in tar sands where the mobilization of the heavy oil occurs as a discontinuous phase. In this paper the relevant flow equations are derived. Also a parameter is deduced which directly determines the criterion for mobilization.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690290522
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  • 2
    Electronic Resource
    Electronic Resource
    Occurrence of methane hydrate in saturated and unsaturated solutions of sodium chloride and water in dependence of temperature and pressure (1983)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 29 (1983), S. 651-657 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Experimental results of the formation of methane hydrate in dependence of temperature and pressure in unsaturated solutions of NaCl in water will be presented in a temperature range from 261.85 to 285.98 K and pressure up to 11.0 MPa. Furthermore the four-phase equilibrium NaCl·2H2Os— CH4·nH2Os—L—G has been calculated from the experimental results. Also the heats of transformation of several other equilibria in the ternary system CH4—H2O—NaCl are obtained.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690290420
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  • 3
    Electronic Resource
    Electronic Resource
    Structure-properties relationships in biaxially oriented polypropylene films (1983)
    Stamford, Conn. [u.a.] : Wiley-Blackwell
    Polymer Engineering and Science 23 (1983), S. 241-246 
    Details
    ISSN: 0032-3888
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: A series of biaxially oriented polypropylene films has been extensively investigated with respect to structural characterization and with regard to various end-use properties. The relationships between properties and structural characteristics such as crystallinity content and molecular orientation in crystalline and non-crystalline phases were compared with similar relationships in uniaxially oriented polypropylene films. Notable differences between uni- and biaxially oriented films, in particular with regard to non-linear mechanical behavior (tenacity, impact strength, tear strength) could be explained, at least partly, in terms of structural characteristics (molecular orientation and mobility) related to the non-crystalline phase.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pen.760230502
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  • 4
    Electronic Resource
    Electronic Resource
    Approximate hazard ratings and venting requirements from CSI-ARC data. An up-to-date review of methods for analyzing single- and multiple-reaction data from adiabatic-reaction calorimeters (1983)
    New York, NY : Wiley-Blackwell
    Plant/Operations Progress 2 (1983), S. 21-26 
    Details
    ISSN: 0278-4513
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prsb.720020106
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