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  • Polymer and Materials Science  (31)
  • Chemical Engineering  (17)
  • Organic Chemistry  (14)
  • Cell & Developmental Biology  (6)
  • AERODYNAMICS  (3)
  • GENERAL  (2)
  • Aircraft Stability and Control
  • 1955-1959  (73)
  • 1925-1929
  • 1957  (73)
Collection
Keywords
Publisher
Years
  • 1955-1959  (73)
  • 1925-1929
Year
  • 1
    Electronic Resource
    Electronic Resource
    Vapor-liquid equilibria for hydrogen-light-hydrocarbon systems at low temperatures (1957)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 3 (1957), S. 33-36 
    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 equilibrium vapor and liquid compositions are reported for the hydrogen-methane system at -150°, -200°, and -250°F. and at pressures of 500 to 4,000 lb./sq. in. The ternary system hydrogen-methane-propane was studied at 0°, -100°, and -200°F. at 500 and 1,000 lb./sq. in. Phase compositions were determined for a limited number of similar conditions for the hydrogen-methane-propylene and hydrogen-methane-ethylene-ethane-propylene-propane systems.
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690030107
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  • 2
    Electronic Resource
    Electronic Resource
    Ion exchange separation of gram quantities of americium from a kilogram of lanthanum (1957)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 3 (1957), S. 286-288 
    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: The separation of 4.5 g. of americium from approximately a kilogram of light rare earths (primarily lanthanum) was achieved on a pilot plant scale by chromatographic displacement of the mixture from Dowex-50 resin with 0.1% ammonium citrate at pH 8 into hydrogen-form Dowex-50. The americium collected into a narrow band and was eluted free from lanthanum but contained an equal weight of cerium. A 6- and a 2-in.-diam. column were used in tandem. Use of a final column with a much smaller diameter would have permitted a cleaner separation from cerium, but this was left for a laboratory-scale separation by a different process. Precipitation, which was observed in the columns during the first runs, was later avoided entriely by use of high flow rates both initially and during the transfer between columns. No adverse effects were noted from ∼15 curies of alpha activity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690030228
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  • 3
    Electronic Resource
    Electronic Resource
    Phase behavior of hydrogen-light-hydrocarbon systems (1957)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 3 (1957), S. 236-241 
    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: The decreasing solubility of hydrogen in hydrocarbons with decreasing temperature continues down to the freezing point of the hydrocarbons, around -300°F. This behavior is shown to be an enlargement of phenomena exhibited by normal hydrocarbon mixtures. Methods of predicting equilibrium-phase compositions are presented for hydrogen in ligh-hydrocarbon systems. The correlations are satisfactory for binary and certain ternary systems, but are not reliable for complex mixtures.
    Additional Material: 18 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690030219
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  • 4
    Electronic Resource
    Electronic Resource
    Stoffwechselprodukte von Actinomyceten. 7. Mitteilung. Echinomycin (1957)
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 40 (1957), S. 199-204 
    Details
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Aus den Kulturbrühen von Streptomyces echinatus n. sp. wurde ein neues lipophiles, neutrales Antibioticum - das Echinomycin, C29H37O7N7S - isoliert und durch analytische Daten, UV.- und IR.- Absorptionsspektrum, sowie biologische Wirksamkeit charakterisiert.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/hlca.19570400124
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  • 5
    Electronic Resource
    Electronic Resource
    Stoffwechselprodukte von Actinomyceten. 9. Mitteilung. GranaticinHerrn Prof. Dr. T. Reichstein zum 60. Geburtstag gewidmet. (1957)
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 40 (1957), S. 1262-1269 
    Details
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Aus dem Kulturfiltrat eines Streptomyceten-Stammes, der vorläufig bei Streptomyces olivaceus (Waksman) Waksman & Henrici eingeordnet wurde, liess sich ein kristalliner, antibiotisch wirksamer Farbstoff mit lackmusähnlichen Eigenschaften - das Granaticin - isolieren. Wie aus dem auf röntgenographischem Wege bestimmten Molekulargewicht, den analytischen Daten und Absorptionsspektren des Farbstoffes und seines Tetra-O-acetyl-Derivates folgt, handelt es sich vermutlich um eine tricyclische Tetrahydroxy-chinon-dicarbonsäure C22H20O10.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/hlca.19570400518
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  • 6
    Electronic Resource
    Electronic Resource
    Le comportement diélectrique des polymères en solutions diluées (1957)
    Hoboken, NJ : Wiley-Blackwell
    Journal of Polymer Science 23 (1957), S. 233-240 
    Details
    ISSN: 0022-3832
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Dielectric properties and loss factors have been measured for dilute solutions of polyvinyl chloride in tetrahydrofuran and mixtures of this solvent with heptane, for solutions of polymethyl methacrylate in benzene and toluene, and for solutions of polyvinyl acetate in toluene. Concentrations varied from 0.5 to 8 g./100 ml. Frequencies ranged from 0.01 to 35 megacycles/sec., and temperatures from -35° to +25°C.Only one sample of polyvinyl chloride was used (DP = 1,750), but six fractions of methyl polymethacrylate (DP = 240 - 12,500) and four of polyvinyl acetate (DP = 2,550-23,250). Numerical values for the three polymers were rather similar. The root mean square dipole moments were proportional to the square root of DP. Relaxation times were practically independent of DP.
    Notes: Les propriétés diélectriques et les facteurs de perte ont été mesurés pour des solutions diluées de chlorure de polyvinyle dans le tétrahydrofurane et des mélanges de ce solvant avec l'heptane, pour des solutions de polyméthacrylate de méthyle dans le benzène et le toluène, et pour des solutions d'acétate de polyvinyle dans le toluène. Les concentrations variaient de 0.5 à 8 g./100 ml. Les fréquences allaient de 0.01 à 35 mégacycles/sec. et les température de -35° à +25°C. Un seul échantillon de chlorure de polyvinyle a été utilisé (DP = 1750); par contre quatre fractions de polyméthacrylate de méthyle (DP = 240-12.500) et quatre d'acétate de polyvinyle (DP = 2.550-23.250) ont été utilisées. Les valeurs numériques des trois polymères étaient plutǒt similaires. Les moments dipolaires moyens étaient proportionnels à la carrée du DP. Les temps de rélaxation étaient pratiquement indépendants du DP.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1957.1202310322
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  • 7
    Electronic Resource
    Electronic Resource
    The anatomy and mode of action of the heart of the frog, Rana tigrina daud (1957)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 100 (1957), S. 313-343 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1051000205
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  • 8
    Electronic Resource
    Electronic Resource
    Heat transfer to non-newtonian fluids (1957)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 3 (1957), S. 92-100 
    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: This paper presents the first theoretical analyses combined with an experimental study of the variables controlling heat transfer rates to non-Newtonian fluids in the streamline-flow region. The theoretical analyses, for the limiting types of non-Newtonian materials, were related to the intermediate case of Newtonian behavior to form a coherent theory applicable to Newtonian and non-Newtonian fluids alike.The experimental data covered Graetz numbers between 100 and 2,000 and were correlated with a mean deviation of 13.5%. The flow-behavior indexes of the three non-Newtonian fluids used varied form 0.18 to 0.70.Some preliminary non-Newtonian results are presented on the problems of nonisothermal fluid-flow pressure losses and heat transfer outside the laminar-flow region. Further theoretical work is recommended in both these areas. Additional experimental data would be of value in all of the problems discussed.
    Additional Material: 19 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690030116
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  • 9
    Electronic Resource
    Electronic Resource
    Performance of packed columns. IV. Effect of gas properties, temperature, and pressure on gasphase mass transfer coefficients (1957)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 3 (1957), S. 157-161 
    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: To test the applicability, over a wide range of temperatures, pressures, and gas physical properties, of the mass transfer correlation presented earlier, 0.5-in. naphthalene Berl saddles were vaporized into air, carbon dioxide, and Freon-12 in a 4.0-in. column. Temperatures from 15° to 73°C. and pressures from 0.26 to 1 atm. were covered.The correlation was found to represent all the experimental data when the surface temperature of the naphthalene was used to evaluate the correct driving force.This correlation, when combined with effective interfacial areas presented previously, makes it possible to estimate the volumetric mass transfer coefficeint, kGa, for any gas-liquid-solute system.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690030205
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  • 10
    Electronic Resource
    Electronic Resource
    Ion exclusion equilibria in the system glycerol-sodium chloride-water-Dowex-50 (1957)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 3 (1957), S. 183-186 
    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: Ion exclusion is an operation in which an ion exchange resin is used to separate an electrolyte from a nonelectrolyte in a polar solvent. An ion exchange resin tends to absorb a nonelectrolyte and to exclude an electrolyte. This is described quantitatively by the equilibrium distribution of the electrolyte, the nonelectrolyte, and the solvent between the resin phase and the liquid phase surrounding the resin.As no ternary distribution data applicable to ion exclusion are available, and only a few binary data have been published, a principal purpose of this investigation was to determine the distribution data for a typical system: glycerol-sodium chloride-water-Dowex-50.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690030211
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