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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 89 (1985), S. 991-996 
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 93 (1989), S. 1070-1073 
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 60 (1986), S. 668-672 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Current transient measurements are carried out on ion-implanted polymers to provide new information on the mechanism for the implantation-induced conductivity. Using metal-oxide-semiconductor field-effect transistor devices in which implanted polymer films form part of the metal-oxide-semiconductor structure, the dispersion parameter α is measured as a function of ion fluence and temperature. The fluence dependent measurements provide evidence for trapping sites and support a trap-controlled hopping mechanism for ion-implanted polymers. The temperature-dependence measurements favor conduction by hopping between traps in the defect band in the mobility gap rather than between traps in the mobility edges. New results are also presented on the dc conductivity of polymers implanted at low temperature (77 K), the same samples as were used for the current transient measurements.
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Journal of radioanalytical and nuclear chemistry 136 (1989), S. 247-256 
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract In hearts of mice the accumulation of 15-/para-123I-phenyl/-pentadecanoic acid /IPPA/ was determined 3 min after injection under different conditions. Using propionate as an agent competing with the albumin binding sites for fatty acids, the concentration of free fatty acids was increased in the circulating blood and the myocardial uptake of IPPA rose from 38.8±3.7% inj. dose/g under normal conditions to 46.2±5.1% inj. dose/g. On the other hand, the addition of 2-Br-palmitic acid reduced the myocardial uptake to a value of 31.0±2.5 inj. dose/g due to the known effect of blocking the transport of fatty acids into the cells. The results suggest the existence of a carrier-mediated transport process of fatty acids into the myocardial tissue.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 317 (1985), S. 549-551 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. l Effect of A23187 on phorbol dibutyrate-induced down-regulation (a) and phosphorylation (fe) of the surface transferrin receptor. Additions to each lane in b were made as follows: Control, no additions; "-P+A23, 100 nM 4-a-phorbol-12,13-dibutyrate to 200 nM A23187; 5 nM P, 5 nM ...
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Human genetics 〈Berlin〉 69 (1985), S. 321-326 
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Nine new cases of prenatally detected true mosaic trisomy 20 (T20) are reported. In three instances the fetuses were aborted. One fetus showed multiple malformations associated with a high percentage of T20 cells among amniotic fluid (AF) cells and fibroblasts of different fetal tissues. In two other fetuses only a slight facial dysmorphy was seen which was accompanied by a low percentage of T20 cells among AF cells. In five instances the pregnancies were carried to term, and normal somatic and psychomotor development of the children has been observed, in one case up to the age of 24 months. In one case the pregnancy is continuing. The T20 cells were not detected among cultured lymphocytes of these children. A review of the hitherto known cases of prenatally detected mosaic T20 indicates a relationship between the prenatal findings and the fetal development. This may serve as a provisory basis for genetic counselling: in the case of a percentage above 50% of T20 cells among AF cells there seems to be a risk of about 50% for the fetus to be affected by severe anomalies. However, in cases of a prenatally detected mosaic T20 with a percentage equal to or less than 50, fetal or congenital malformations have not been observed among 23 individuals so far examined.
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 36 (1987), S. 61-66 
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The Parisi-Sourlas model is canonically quantized. The superalgebra of the symmetries present in this model is given. The Noether currents and charges for these symmetries are calculated.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    International journal of theoretical physics 27 (1988), S. 73-82 
    ISSN: 1572-9575
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A simple model with discrete dynamics is studied. The behavior of this model is very sensitive to the particular choice of parameters determining the system.
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Origins of life and evolution of the biospheres 16 (1986), S. 480-481 
    ISSN: 1573-0875
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Journal of thermal analysis and calorimetry 33 (1988), S. 871-874 
    ISSN: 1572-8943
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Eine Messmethode unter Verwendung eines modifizierten Dilatometers wurde entwickelt zur Untersuchung der Verbiegung von Vielschichtstrukturen bei erhöhten Temperaturen. Die Verbiegung einseitig mit Kupferpaste beschichteter Dickfilmsubstrate wurde von Raumtemperatur bis 700 °C gemessen. Abweichend von den Erwartungen nimmt die Verbiegung nicht gleichmässig bis zur Erweichungstemperatur des Glases ab. Stattdessen ändert sich ihr Vorzeichen bei ≈ 100 °C. Mit steigender Temperatur ändert sich der Charakter der Verbiegung von linear thermoelastischem zu nichtlinearem Verhalten infolge des plastischen Fliessens in der Kupferschicht.
    Abstract: Резюме Модифицированный ди латометр был использ ован в качестве измерител ьного устройства при иссле довании деформаций многослоистых струк тур при повышенных те мпературах. Изгиб толстопленочн ых подложек, покрытых с одной стороны медной пасто й, был измерен при температ урах от комнатной до 700°. Вопреки ожиданиям, не происхо дило равномерного уменше ния изгиба с увеличен ием температуры до точки размягчения стекла, н о при температуре окол о 100° наблюдалось измен ение кривизны изгиба. С уве личением температуры характе р изгиба образца изме нялся от линейного термоэлас тичного поведения до нелинейного, что вызв ано ползучестью внут ри слоя металлической меди.
    Notes: Abstract A modified dilatometer was used as the basis of a measuring method for investigation of the distortion of multilayer structures at elevated temperatures. The bowing of thick film substrates unilaterally covered with copper paste was measured from room temperature up to 700 °C. The bowing did not, as expected, decrease uniformly with increasing temperature up to the softening point of the glass, but a change occurred in the curvature of bowing at about 100 °C. With increasing temperature, the character of the bowing of the sample changed from linear thermo-elastic behaviour to non-linear behaviour, caused by plastic flow within the metallic copper layer.
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