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  • 1
    Electronic Resource
    Electronic Resource
    Sem comparison of morpho butterfly dorsal and ventral scales (1995)
    New York, NY [u.a.] : Wiley-Blackwell
    Microscopy Research and Technique 31 (1995), S. 93-94 
    Details
    ISSN: 1059-910X
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Natural Sciences in General
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jemt.1070310108
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  • 2
    Electronic Resource
    Electronic Resource
    Equilibrium of water between gelatin solution and ice (1966)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 10 (1966), S. 707-711 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    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: The equilibration of water between aqueous gelatin solution and physically separate cakes of ice was observed. Typically, the water content of the solutions reached a nearly steady value several times before final equilibrium, reasons for which are discussed. The equilibrium gelation concentrations were found to be 72 ± 1%, 77 ± 2%, and 80 ± 3% at -10, -21, and -33°C., respectively, in moderately good agreement with predictions based on the vapor pressure measurements of Bull at higher temperatures.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1966.070100504
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  • 3
    Electronic Resource
    Electronic Resource
    On the existence of electrolysis in ionic polymerization conducted under an electric field (1972)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 157 (1972), S. 227-234 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Die experimentellen Bedingungen, die zur Steigerung der Reaktionsgeschwindigkeit durch Anlegen eines elektrischen Feldes angewandt wurden, wurden überprüft. Die im System fließenden Ströme und die Größe der elektrolytischen Effekte wurden abgeschätzt. Nimmt man für anionische Systeme an, daß ein Elektron ein «lebendes» Ende produziert oder zerstört, so ist der elektrolytische Effekt beträchtlich und kann über 50% der «lebenden» Enden bei Systemen mit hoher Verdünnung erfassen. Ausgehend von einer Kontroverse über Experimente mit einem periodisch wechselnden Feld werden, die Unterschiede des Einflusses des elektrischen Feldes bei anionischen und kationischen Systemen diskutiert.
    Notes: The experimental conditions employed for rate enhancements by field effects have been examined. An estimate of currents flowing in the systems has been made and the magnitude of electrolytic effects estimated. For living anionic systems, if the passage of electrolytic current is assumed to produce or destroy one living end per electron flowing, the magnitude of the electrolytic effect is significant and may range over 50% of the living end concentration for systems of high dilutions. The differences between electric field effects in living anionic and cationic polymerizations are discussed particularly with reference to the recent controversy over periodic field reversal experiments.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1972.021570121
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  • 4
    Electronic Resource
    Electronic Resource
    Kinetics of donor-acceptor complex polymerization. IV. Limiting yield in the butadiene-acrylonitrile copolymerization (1973)
    New York : Wiley-Blackwell
    Journal of Polymer Science: Polymer Chemistry Edition 11 (1973), S. 275-278 
    Details
    ISSN: 0360-6376
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: An analysis of the kinetic equation proposed for donor-acceptor systems indicated that the polymer yield at a given time should attain limiting value with increase in rate of initiation. It was essential that the equilibria not be shifted by temperature variation, and the change in rate of initiation was achieved by controlled current passage through the solution. A definite plateau in the yield of polymer was obtained. This was shown not to be due to diffusion control of the rate of initiation.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1973.170110123
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  • 5
    Electronic Resource
    Electronic Resource
    The effect of sulfur on the polymerization of hexachlorocyclotriphosphazene (1969)
    New York : Wiley-Blackwell
    Journal of Polymer Science Part B: Polymer Letters 7 (1969), S. 743-747 
    Details
    ISSN: 0449-2986
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1969.110071008
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  • 6
    Electronic Resource
    Electronic Resource
    Preparation of poly(diphenyl phosphazene) (1968)
    New York : Wiley-Blackwell
    Journal of Polymer Science Part A-1: Polymer Chemistry 6 (1968), S. 3163-3165 
    Details
    ISSN: 0449-296X
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The preparation of substituted polyphosphazenes has been briefly surveyed. A method of synthesis of a fully substituted poly(diphenyl phosphazene) has been investigated. The product has been characterized and thermogravimetric analysis carried out. The volative products of pyrolysis have been identified and the hydrolytic stability of the polymer tested.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1968.150061119
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  • 7
    Electronic Resource
    Electronic Resource
    Kinetics of donor-acceptor complex polymerization. III. Assessment of some approximations in the kinetics (1972)
    New York : Wiley-Blackwell
    Journal of Polymer Science Part A-1: Polymer Chemistry 10 (1972), S. 2565-2572 
    Details
    ISSN: 0449-296X
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The mathematical solution of the equations derived from a kinetic scheme previously developed for donor-acceptor complex polymerization was based on steady-state conditions and the applicability of initial concentration conditions over a range of conversion. These assumptions are scrutinized and tested by computer simulation and by the exact differential equations utilizing Runge-Kutta method. The analysis shows that for case I conditions of low concentration of complexing-agent, the degree of conversion is not critical and that the previous approximate solutions are valid. The steady-state and non-steady-state conditions are compared, and the range of validity of the assumptions is established. The approximate solutions are found inapplicable in the instances of non-steady-state conditions coupled with a low concentration of either monomer.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1972.150100904
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  • 8
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    Pre-existing biases for swords in mollies (Poecilia) (2016)
    Oxford University Press
    Details
    Publication Date: 2016-01-20
    Description: Pre-existing female biases are female preferences for a particular trait that evolved prior to the evolution of that trait. Phylogenies are needed to show when the preference and trait have originated. In several live-bearing fishes (Poeciliidae), females show pre-existing biases for male swords, a colorful extension of the caudal fin. Here, we investigated the pre-existing bias hypothesis by predicting preferences for a sword in several molly species, including 2 unusual species in the monophyletic subclade Mollienesia : the Amazon molly, Poecilia formosa , a sperm-dependent hybrid form, and the Tamesi molly, Poecilia latipunctata , a species in the long-fin molly clade, that has a short-fin morphology. Using published sequence data available for this family, behavioral approaches, robust phylogenetic analyses, and Bayesian ancestral state reconstructions, we tested whether the hybrid P. formosa has a preference similar to the maternal ancestor, Poecilia mexicana , or the paternal ancestor, Poecilia latipinna . Surprisingly, the preference shown by P. formosa was variable between populations and matched the preference found in the co-occurring host species. In P. latipunctata , we found a pre-existing bias for sworded males, suggesting that this represents an ancestral trait for the long-fin molly clade. On the basis of the combined evidence from multiple studies, it seems as if pre-existing biases for sworded males are relatively basal to poeciliids and that existing phylogenetic relationships allow us to predict sensory biases.
    Print ISSN: 1045-2249
    Electronic ISSN: 1465-7279
    Topics: Biology
    Published by Oxford University Press
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  • 9
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    Simulating the outer layers of rapidly rotating stars (2020)
    Oxford University Press
    Details
    Publication Date: 2020-06-01
    Description: This paper presents the results of a set of radiative hydrodynamic (RHD) simulations of convection in the near-surface regions of a rapidly rotating star. The simulations use microphysics consistent with stellar models, and include the effects of realistic convection and radiative transfer. We find that the overall effect of rotation is to reduce the strength of turbulence. The combination of rotation and radiative cooling creates a zonal velocity profile in which the motion of fluid parcels near the surface is independent of rotation. Their motion is controlled by the strong up and down flows generated by radiative cooling. The fluid parcels in the deeper layers, on the other hand, are controlled by rotation.
    Print ISSN: 0035-8711
    Electronic ISSN: 1365-2966
    Topics: Physics
    Published by Oxford University Press on behalf of The Royal Astronomical Society.
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  • 10
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    The capacity of an uncontrolled intersection (1967)
    Oxford University Press
    Details
    Publication Date: 1967-01-01
    Print ISSN: 0006-3444
    Electronic ISSN: 1464-3510
    Topics: Biology , Mathematics , Medicine
    Published by Oxford University Press
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