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  • 2000-2004  (421)
  • 1935-1939  (38)
  • 1930-1934
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  • 11
    Electronic Resource
    Electronic Resource
    Quantum calculations on the vibrational predissociation of NeBr2: Evidence for continuum resonances (2000)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 112 (2000), S. 2265-2273 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Quantum mechanical calculations on the vibrational predissociation dynamics of NeBr2 in the B electronic state have been performed and the results compared with both experimental data and other computational studies. For vibrational levels with v≤20 we find that the vibrational state dependence of the predissociation lifetimes is in qualitative agreement with experimental measurements, as are the calculated Br2 fragment rotational distributions. For higher vibrational levels, the B←X excitation profiles are well represented by a sum of two Lorentzian line shapes. We attribute this result to the presence of long-lived resonances in the dissociative continuum that are reminiscent of long-lived dissociative trajectories in previous classical studies of NeBr2. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.480791
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  • 12
    Electronic Resource
    Electronic Resource
    Collision-induced electronic energy transfer from v=0 of the E(0g+) ion-pair state in I2: Collisions with I2(X) (2001)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 115 (2001), S. 4132-4138 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The collision-induced electronic energy transfer that occurs when I2 in the E(0g+) ion-pair electronic state collides with ground electronic state I2 has been investigated. We prepare I2 in single rotational levels in v=0 of the E state using two-color double resonance laser excitation. The resulting emission spectrum shows that the nearby (ΔTe=−385 cm−1) D(0u+) electronic state is populated. The cross section for collision-induced E→D energy transfer is found to be 18±3 Å2. A range of D state vibrational levels are populated, consistent with a model in which overlap between the initial and final vibrational wave functions is important, but modulated by propensities for small vibrational energy gaps and those energy gaps that are closely matched to the v=0→v=1 energy separation in the I2(X) collision partner. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1391264
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  • 13
    Electronic Resource
    Electronic Resource
    Colour Changes in Crustacea (1932)
    [s.l.] : Nature Publishing Group
    Nature 130 (1932), S. 931-931 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] COLOUR changes, in response to light and darkness and to background tint, are well known in prawns and shrimps. I have found this faculty to be present in other decapod Crustacea. It is exhibited by Porcellana longicomis, Eupagurus berrihardus, young Galaihea strigosa and G. dispersa, and in ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/130931a0
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  • 14
    Electronic Resource
    Electronic Resource
    Lunar Periodicity in Reproduction (1933)
    [s.l.] : Nature Publishing Group
    Nature 131 (1933), S. 622-622 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN view of the recent correspondence in NATURE1 bearing on the question of reproductive periodicity in organisms, I should like to direct attention to some observations made by Miss S. M. Marshall and myself in Australia in 1928–29, which appear to indicate a type of such ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/131622a0
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  • 15
    Electronic Resource
    Electronic Resource
    Control of Chromatophores in Leander serratus (1934)
    [s.l.] : Nature Publishing Group
    Nature 133 (1934), S. 912-913 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE phenomena of colour-change in prawns are well-known1,2, and the mechanisms controlling these phenomena understood in the main2,3. Certain details, however, require further explanation, and among them are the following :- It is stated2 that for ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/133912c0
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  • 16
    Electronic Resource
    Electronic Resource
    Perception of Weight and Elasticity (1937)
    [s.l.] : Nature Publishing Group
    Nature 139 (1937), S. 719-719 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN experiments on the perception of elasticity, we have found that individuals equate a pull on an expanding elastic spring with a much lighter lifted weight impression. Lifting a weight of 2.50 kilograms (for which the psycho-physical limen is of the order 0.10 kilogram) was matched by one ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/139719b0
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  • 17
    Electronic Resource
    Electronic Resource
    Technique of Factor Analysis (1935)
    [s.l.] : Nature Publishing Group
    Nature 136 (1935), S. 297-297 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FACTOR analysis is a subject upon which Prof. G. H. Thomson, Dr. Wm, Brown and others have frequently written letters to NATURE. This analysis is concerned with a selected population of n individuals each of whom has been measured in m tests. The (m) (m − 1)/2 intercorrelations for these m ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/136297b0
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  • 18
    Electronic Resource
    Electronic Resource
    The Chemistry of Bacteria (1933)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Biochemistry 2 (1933), S. 485-502 
    Details
    ISSN: 0066-4154
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Chemistry and Pharmacology , Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.bi.02.070133.002413
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  • 19
    Electronic Resource
    Electronic Resource
    The Chemistry of Bacteria (1935)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Biochemistry 4 (1935), S. 593-614 
    Details
    ISSN: 0066-4154
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Chemistry and Pharmacology , Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.bi.04.070135.003113
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  • 20
    Electronic Resource
    Electronic Resource
    Analysis of stable isotope ratios to investigate stock structure of red emperor and Rankin cod in northern Western Australia (2001)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 58 (2001), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The ratios of stable isotopes 18O/16O and 13C/12C, in sagittal otolith carbonate from two tropical demersal teleosts, red emperor Lutjanus sebae and Rankin cod Epinephelis multinotatus, from several locations in northern Western Australia, differed between sites. On a broad scale, fish from the four locations, Shark Bay, Ningaloo, Pilbara, and Broome had stable isotope values that were sufficiently different to indicate separate stocks, and it is appropriate to manage these populations of the two species independently in these areas. On a smaller scale, there may be limited mixing of these species between the Pilbara trawl fishery and the trap and line fisheries operating out of Onslow and Broome. Values of stable oxygen isotopes were strongly related to sea surface temperature, although there were some sites in shallow water where low values of stable oxygen isotopes indicated that fish were living in warm water. The use of stable oxygen and carbon isotope values is a valuable, cost effective method of determining the degree of mixing of fish stocks.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.2001.tb00503.x
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