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  • Wiley-Blackwell  (7)
  • Nature Publishing Group  (5)
  • Wiley  (4)
  • 1985-1989  (4)
  • 1980-1984  (7)
  • 1960-1964  (3)
  • 1940-1944
  • 1935-1939  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Modelling the future: a joint venture (1988)
    [s.l.] : Nature Publishing Group
    Nature 334 (1988), S. 483-486 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DURING the autumn of 1987, two events occurred which highlighted our inability to forecast near-term anomalies. First, on 15-17 October an intense storm moved through western Europe, the strongest storm in the area for over a century. Hurricane-force winds disrupted electrical power and transport ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/334483a0
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  • 2
    Electronic Resource
    Electronic Resource
    Tilman's predicted productivity–diversity relationship shown by desert rodents (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 150-151 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We worked in the sandy and rocky habitats of the Israeli arid zone. Sampling locations were chosen along a precipitation gradient. Rodents were sampled in four plots per location. Sampling was repeated for two seasons in the rocky habitat and four seasons in the sandy habitat. The desert locations ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/309150a0
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  • 3
    Electronic Resource
    Electronic Resource
    Strain Differences in Acetylcholine Concentration in the Brain of the Rat (1960)
    [s.l.] : Nature Publishing Group
    Nature 187 (1960), S. 787-788 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Our original interest in individual and strain differences in cholinesterase activity stemmed from our observations which indicated a relationship between the adaptive behaviour of the rat and the activity of its brain cholinesterase4. We have tended to explain this relationship by reference to the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/187787a0
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  • 4
    Electronic Resource
    Electronic Resource
    Human and animal rights (1985)
    [s.l.] : Nature Publishing Group
    Nature 313 (1985), S. 425-425 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR - The importance of animal research to human rights is frequently neglected. The atrocities and suffering in the Second World War led to several major agreements that embody an international consensus about basic human rights. These documents include the Universal Declaration of Human Rights ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/313425a0
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  • 5
    Electronic Resource
    Electronic Resource
    Sex and Strain Differences in Electroshock Convulsions of the Rat (1961)
    [s.l.] : Nature Publishing Group
    Nature 190 (1961), S. 515-516 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] OUR objectives were to determine whether differences in the [threshold and pattern of electroshock seizures exist between male and female, and maze-bright and maze-dull rats. Our interest in this problem developed from the following considerations: (1) Woolley and Timiras1 have shown that ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/190515a0
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  • 6
    Electronic Resource
    Electronic Resource
    Die Elektrolyse der Crotonsäure und der thermische Zerfall des Di-crotonyl-peroxyds (1935)
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 18 (1935), S. 238-242 
    Details
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/hlca.19350180127
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  • 7
    Electronic Resource
    Electronic Resource
    Sintering rheology of amorphous polymers (1981)
    Stamford, Conn. [u.a.] : Wiley-Blackwell
    Polymer Engineering and Science 21 (1981), S. 1167-1170 
    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: The activation energy for sintering of poly(methyl methacrylate) particle pairs is shown to be similar to their activation energy for Newtonian flow. Sintering progress with time is in good agreement with the Frenkel's coalescence theory. Typical sintering shear rates are shown to be very low and potential energy change (two particles) is small in comparison with the surface energy change. These results lead to the conclusion that the coalescence sintering mechanism of amorphous polymers above their glass transition temperature is essentially a Newtonian viscous flow mechanism where surface tension is the major driving force. A periodical phenomenon associated with sintering progress with time is reported and a supporting mechanism is proposed.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pen.760211709
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  • 8
    Electronic Resource
    Electronic Resource
    Dimensional variations of two spherical polymeric particles during sintering (1981)
    Stamford, Conn. [u.a.] : Wiley-Blackwell
    Polymer Engineering and Science 21 (1981), S. 582-585 
    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 quantitative “Round Neck” (RN) model based upon volume balances and considerations of surface tension phenomena is proposed for simulation of coalescence of two spherical polymeric particles; during sintering. This model and an early model developed by Frenkel are compared and evaluated against experimental data to show their suitability to simulate geometrical variations of a particle pair during sintering.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pen.760211003
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  • 9
    Electronic Resource
    Electronic Resource
    Newtonian sintering simulator of two spherical particles (1983)
    Stamford, Conn. [u.a.] : Wiley-Blackwell
    Polymer Engineering and Science 23 (1983), S. 32-35 
    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: Sintering of amorphous polymer particles above their glasstransition temperature is a slow coalescence process in which surface tension is the main driving force, tending to decrease the total surface area, resisted by the polymer viscosity. The shape, and therefore the boundaries of the coalescing particles, change with time. A numerical finite-element method (FEM) was used to solve the momentum and continuity equations for a coalescing spherical-particles pair. The solution obtained describes a limited sintering time interval with reasonable agreement. Future modifications of the solution technique are suggested in order to extend its validity to longer sintering periods.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pen.760230108
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  • 10
    Electronic Resource
    Electronic Resource
    Observation and analysis technique for studying sintering of polymeric particles (1981)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 26 (1981), S. 2787-2789 
    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
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1981.070260828
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