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  • 1
    Electronic Resource
    Electronic Resource
    Thickness dependence of the critical solution temperature of hydrogen in Pd films (1986)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 60 (1986), S. 3125-3130 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The isotherms of very thin PdHx films (60 A(ring)〈d〈600 A(ring)) have been determined below room temperature by equilibrium potential measurements. One finds that the critical temperature Tc is lowered when the film thickness decreases: for the 60-A(ring) film Tc would be near 173 K. This marked drop of Tc is attributed to clamping effects of the sample on the substrate, which decreases the effective H–H interaction and favors short-range coherency effects.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.337724
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  • 2
    Electronic Resource
    Electronic Resource
    HALOGENATION OF HYDROCARBONS Chlorination of Olefins Containing an Unsaturated Tertiary Carbon Atom (1939)
    s.l. : American Chemical Society
    Industrial & engineering chemistry 31 (1939), S. 1413-1419 
    Details
    ISSN: 1520-5045
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ie50359a022
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  • 3
    Electronic Resource
    Electronic Resource
    Nucleon-nucleon forces in a nonrelativistic quark model (1986)
    Springer
    Czechoslovak journal of physics 36 (1986), S. 321-324 
    Details
    ISSN: 1572-9486
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Conclusion We have considered allNN-partial waves simultaneously. The central part of the one gluon exchange is always repulsive, the tensor part can be neglected and the spin-orbit part is too weak for this choice of parameters. An additional colourless VMEP potential allows us to reproduce the experimental data. However, this potential cannot be related to a long range one-pion exchange potential.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01597168
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Vergelijkend overzicht van de immigratie en blijvende vestiging van Javanen en Britsch-Indiërs in Suriname (1928)
    Springer
    De economist 77 (1928), S. 422-445 
    Details
    ISSN: 1572-9982
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02203853
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Effects of lead on growth and feeding behavior of young common terns (Sterna hirundo) (1988)
    Springer
    Archives of environmental contamination and toxicology 17 (1988), S. 513-517 
    Details
    ISSN: 1432-0703
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Notes: Abstract Common tern,Sterna hirundo, chicks injected with lead (Pb) nitrate (IP) showed slower weight gain than controls, due to reduced assimilation efficiency, rather than reduced food intake. The ability to manipulate fish, involving complex motor coordination of head and neck, showed impairment, while the ability to locate and seize fish did not. The study demonstrates that Pb can selectively impair certain behavioral functions of feeding.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01055517
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  • 6
    Electronic Resource
    Electronic Resource
    Abstracts of papers (1985)
    Springer
    Pharmacy world & science 7 (1985), S. 26-28 
    Details
    ISSN: 1573-739X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01962866
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  • 7
    Electronic Resource
    Electronic Resource
    Comparative effects of four mycorrhizal fungi on loblolly pine seedlings growing in a greenhouse in a Piedmont soil (1985)
    Springer
    Plant and soil 83 (1985), S. 215-221 
    Details
    ISSN: 1573-5036
    Keywords: Cecil soil type ; Phosphorus ; Pinus taeda ; Scleroderma aurantium
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary A greenhouse study was conducted to evaluate the effect of ectomycorrhizae on loblolly pine (Pinus taeda L.) growing in a Piedmont soil. Pine seedlings were inoculated with one of four species of fungi (Scleroderma aurantium, Pisolithus tinctorius, Thelophora terrestris, andRhizopogon roseolus). The seedlings were grown in pots containing a Cecil sandy clay loam amended to create a gradient of extractable P ranging from 5.9 to 52.5 μg/g. After ten months, all colonized seedlings were significantly larger than control seedlings. However, of the four fungi,Scleroderma aurantium mediated a far superior shoot growth response to increasing levels of soil P; the seedlings were significantly larger than those colonized by any other fungus and also had the largest root systems and greatest degree of mycorrhizal colonization.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02184293
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  • 8
    Electronic Resource
    Electronic Resource
    The continuity of the germ cells in the urodele, Plethodon cinereus (Green) (1937)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 60 (1937), S. 489-519 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: Plethodon cinereus is favorable for a study of the history of the germ line. The germ cells are large, while the gonads are small and show an almost diagrammatic structure. Germ cell degeneration is not extensive during ontogeny. As long as all the germ cells contain yolk during development, these cells are derived solely from germ cells. In Plethodon, yolk lasts in all germ celis through sex differentiation. A comparison of the number of mitoses necessary for the primordial germ cells to produce the numbers of germ cells in gonads where every germ cell contains yolk, with the mitoses necessary for the primordial cells to produce the adult complements of germ cells, shows that at least 72% of the increase of germ cells can be followed by yolk. A cytological study from the embryo through the adult sexual cycle gave no evidence that somiatic cells ever transform into germ cells. Mitoses are abundant in the testes of salamanders starved 4 months. This fact together with a statistical study on the adult male sexual cycle indicates that the germ cells present in the testis do not need to be augmented by transformed somatic cells. It is concluded that in Plethodon germ cells alone give rise to germ cells, and that the germ line is continuous.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1050600210
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  • 9
    Electronic Resource
    Electronic Resource
    The relation of germ cell degeneration to modifications of the testicular structure of Plethodontid salamanders (1937)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 60 (1937), S. 459-487 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: A study of the male sexual cycles of five species of Plethodontid salamanders indicated that annually occurring non-functional regions at the anterior and posterior ends of the testis are associated with the two types of germ cell degeneration: (1) extensive degeneration of secondary spermatogonia in the anterior region; (2) complete degeneration in the posterior region, beginning with the young spermatocytes, of all germ cells except the primary spermatogonia. The improbability of the posterior degenerations being caused by a suggested climatic action is discussed. The presence only in urodeles of a caudo-cephalic polarity of spermatogenesis over the length of the testis and of these degenerations seem more than a coincidence. The abortive spermatogenetic cycle of immature males shows a caudo-cephalic sequence and the stages of degeneration that are identical with the adult. Inanition experiments indicate that the formation of secondary spermatogonia and the ability to form sperm are not synonomous. It is suggested, therefore, that normally more of the testis is activated than can be brought to a successful spermatogenesis. Since spermatogenesis moves caudo-cephalically, the posterior end will be left outside the functional zone, and consequently the cells degenerate. The anterior degenerations and the failure of anterior end of the testis to be involved in spermatogenesis, mark the anterior regulation of the spermatogenetic process. Degenerations can be regarded as the by-product of the regulation of overactivation.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1050600209
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  • 10
    Electronic Resource
    Electronic Resource
    Gender differences in smoking behavior in a university workplace (1989)
    Springer
    Sex roles 20 (1989), S. 523-533 
    Details
    ISSN: 1573-2762
    Source: Springer Online Journal Archives 1860-2000
    Topics: Sociology
    Notes: Abstract Behavioral approaches to smoking intervention benefit from an understanding of smoking behavior. We investigated gender differences in smoking behavior by observing 292 men and 648 women smoking in a university workplace. Although men smoked more cigarettes in longer break times than women, there were no gender differences in the time individual cigarettes were lit or time in the mouth. However, men inhaled significnatly more than women. The social environment differed with male smokers talking to equal numbers of men and women, while female subjects talked to more females than males while smoking. In smoking lounges, more women than men held the cigarettes near their face (38 vs. 28%). With increasing age, male smokers took longer breaks, had cigarettes lit for less time, and talked to more men, whereas with increasing age female smokers took fewer puffs and talked to fewer men. Thus men take longer breaks, smoke more cigarettes, and inhale more often than women in a university workplace setting.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00288199
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