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  • Chemistry  (137)
  • STRUCTURAL MECHANICS  (5)
  • Aircraft Design, Testing and Performance  (4)
  • ASTROPHYSICS
  • 1970-1974
  • 1960-1964  (146)
  • 1920-1924
  • 1960  (146)
Collection
Publisher
Years
  • 1970-1974
  • 1960-1964  (146)
  • 1920-1924
Year
  • 11
    Electronic Resource
    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 11 (1960), S. 707-708 
    ISSN: 0947-5117
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: A method for investigating the corrosion phenomena of metals under condensation conditionsIn carrying out research on corrosion phenomena during condensation, and also in carrying out accelerated tests, it is necessary to take into account the quantity of moisture condensating on the metal surface. In this connection, it is important to remember that, for a given relative humidity, the variation of the water vapour content in the air is not in linear relation to the temperature. A temperature change at low temperature (e.g. 5 to 10° C) will therefore cause the condensation of a different quantity of water from that condensated by the same temperature change at higher temperatures.The authors describe a device which is suitable for determining the quantity of condensation water under given temperature conditions, and the corrosion phenomena to be expected under such conditions. They also describe the manufacture and application of this device.
    Notes: Untersuchungen von Korrosionsvorgängen bei der Kondensation, aber auch beschleunigte Versuche müssen unter Berücksichtigung der sich auf der Metalloberfläche kondensierenden Feuchtigkeitsmenge durchgeführt werden. Dabei muß beachtet werden, daß bei gegebener relativer Feuchtigkeit der Wasserdampfgehalt der Luft sich nicht linear mit der Temperatur ändert. Deshalb bewirkt eine Temperaturänderung um denselben Wert bei niedrigen Temperaturen (z. B. 5 bis 10° C) bzw. bei höheren Temperaturen die Kondensation einer unterschiedlichen Wassermenge.Eine Apparatur, die zur Bestimmung der Menge des sich kondensierenden Wassers bei vorhandener Temperaturübertragung und zur Bestimmung der Korrosion unter diesen Bedingungen geeignet ist, wird in diesem Bericht erläutert und ihre Herstellung und Anwendung beschrieben.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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  • 12
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 6 (1960), S. 171-172 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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  • 13
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 6 (1960), S. 174-175 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 1 Ill.
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  • 14
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 6 (1960), S. 197-201 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Concurrent flow in gas absorption may be used to practical advantage when liquid partial pressure is minor. The higher transfer coefficients of this operation are reported and analyzed in reference to pertinent variables.
    Additional Material: 8 Ill.
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  • 15
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 6 (1960), S. 202-206 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A first approximation to the multicomponent plate-efficiency problem has been carried out with a film model combined with equations for steady state diffusion in a ternary gas mixture. Numerical integration of the equations through a plate yields the ternary efficiencies as functions of the binary efficiency.The effects of diffusional interactions in a distillation column were studied by computing the efficiencies on each plate when a column is designed to separate a ternary mixture. In the example studied, the average column efficiency was 39% less than the binary efficiency.Some criteria are suggested for comparing other multicomponent systems to the one studied in order to estimate the uncertainty in the use of binary correlations for these systems.
    Additional Material: 4 Ill.
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  • 16
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 6 (1960), S. 419-426 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The production of essentialy homogeneous sluries involves both initial solids suspension and expension of the particle bed to fill the container. When geometry and solids concentration are held constant, both phenomena are found to be controlled by similar dimensionless groupings of power per unit volume, density, and relative velocity between the fluid and particle. The dimensionless group applicable to bed expansion is shown to be consistent with hydro-dynamic theory. Design equations for use with the paddle type of impeller are presented.
    Additional Material: 10 Ill.
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  • 17
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 6 (1960), S. 501-505 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Detonation velocities of hydrogen-oxygen mixtures were measured for initial pressures from 14.4 to 1,000 lb./sq. in. abs. and compositions from 40 to 80 mole % molecular hydrogen. Detonation and impact characteristics were computed for essentially the same range of conditions by the use of the elementary theory of detonation. Equilibrium compositions of hydrogen-oxygen mixtures at pressures from 10 to 2,000 atm. and temperatures from 3,000 to 5,000°K. were included in the computations and have been filed with the American Documentation Institute. The effect of nonideal thermodynamic properties on the computed detonation velocities was considered.
    Additional Material: 6 Ill.
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  • 18
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 6 (1960), S. 525-527 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 19
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 6 (1960), S. 332-335 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A correlating equation for selective adsorption in the liquid phase has been extended to predict accurately the benzene-cyclohexane equilibrium data on silica gel. Gel pore diameters range from approximately 25 to 150 Å. and temperatures between the boiling and freezing points of the pure components.
    Additional Material: 4 Ill.
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  • 20
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 6 (1960), S. 494-500 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Pure phosgene gas was dissolved in short laminar jets of aqueous solution, and the results were interpreted with an unsteady state absorption-plus-reaction theory. Absorption rates of sulfur dioxide and carbon dioxide into water in the same equipment support this interpretation. The solubility of phosgene in water at 25°C. has been estimated from the absorption rates as 0.069 g.mole/(liter) (atm.). The estimated heat of solution is 6,800 cal./g.mole. At 16° and 25°C. the effect of a chemical reaction between phosgene and water on the absorption rate in a jet appears to be almost negligible, but at 45°C. a first-order reaction rate constant of 75 sec.-1 can be derived from the absorption rates.From absorption measurements with short jets and sodium hydroxide solutions so strong that a pseudo-first-order reaction accompanied absorption, the reaction rate constant for the bimolecular reaction between dissolved phosgene and the hydroxyl ion was estimated. A value of 1.6 × 104 liters/(g. mole) (sec.) was obtained at 25°C. in 1-N sodium hydroxide; at 35°C. in the same solution the estimated value was 2.9 × 104. There appears to be a slight increase in the reaction-rate constant with the ionic strength of the solution.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
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