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  • 1
    Electronic Resource
    Electronic Resource
    Ion binding to heparins in mixed-valency counterion systems
    Amsterdam : Elsevier
    International Journal of Biological Macromolecules 3 (1981), S. 275-277 
    Details
    ISSN: 0141-8130
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0141-8130(81)90041-6
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  • 2
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    Unknown
    Companionable Books. (1922)
    Chapel Hill, N.C. : Periodicals Archive Online (PAO)
    Social Forces. 1:1/5 (1922/1923) 492 
    Details
    ISSN: 0037-7732
    Topics: Sociology
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:1203-1922-001-00-000015
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  • 3
    Electronic Resource
    Electronic Resource
    Diffusion of Silicon in Ferrite (1953)
    [s.l.] : Nature Publishing Group
    Nature 171 (1953), S. 488-488 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The variation of D with temperature may be calculated if Zener's theory1 is assumed. Depending on whether vacancy or ring diffusion occurs, respectively, Dy = 16exp(64,000/T),or310exp(74,000/T) ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/171488a0
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  • 4
    Electronic Resource
    Electronic Resource
    Is the feeling of cold extremities experienced by hypertensive patients due to their disease or their treatment? (1984)
    Springer
    European journal of clinical pharmacology 27 (1984), S. 47-49 
    Details
    ISSN: 1432-1041
    Keywords: beta-blockers ; hypertension ; ISA ; CS ; cold extremities
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary Patients with essential hypertension were interviewed prior to entering therapeutic studies in general practice. Patients' age, sex and details of antihypertensive therapy (if any) were noted, as were their spontaneously reported symptoms. Complaints of cold extremities were highest in those taking a beta-blocker (4.1%). Those untreated or taking other therapies complained less often. Those patients taking a beta-blocker with ISA complained less often (3.1%) of cold extremities than those taking a beta-blocker without ISA (5.2%).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00553153
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  • 5
    Electronic Resource
    Electronic Resource
    Is the feeling of cold extremities experienced by hypertensive patients due to their disease or their treatment? (1984)
    Springer
    European journal of clinical pharmacology 27 (1984), S. 47-49 
    Details
    ISSN: 1432-1041
    Keywords: beta-blockers ; hypertension ; ISA ; CS ; cold extremities
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary Patients with essential hypertension were interviewed prior to entering therapeutic studies in general practice. Patients’ age, sex and details of antihypertensive therapy (if any) were noted, as were their spontaneously reported symptoms. Complaints of cold extremities were highest in those taking a beta-blocker (4.1%). Those untreated or taking other therapies complained less often. Those patients taking a beta-blocker with ISA complained less often (3.1%) of cold extremities than those taking a beta-blocker without ISA (5.2%).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02395205
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  • 6
    Electronic Resource
    Electronic Resource
    Field energetics and the estimation of pollen and nectar intake in the marsupial honey possum, Tarsipes rostratus, in heathland habitats of South-Western Australia (1999)
    Springer
    Journal of comparative physiology 169 (1999), S. 569-580 
    Details
    ISSN: 1432-136X
    Keywords: Key words Marsupial ; Tarsipes rostratus ; Honey possum ; Nectarivore ; Energetics ; AbbreviationFMR field metabolic rate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract A method is described, based on the simultaneous turnover of both stable (18O) and radioactive isotopes (3H and 22Na), whereby the daily nectar and pollen intake of free-ranging marsupial honey possums (Tarsipes rostratus) may be estimated. The field metabolic rate is measured using doubly labelled water and nectar intake is estimated independently from the measured water and sodium fluxes. The method assumes that free-water intake is negligible (but may be accounted for if not the case), that virtually all dietary sodium is derived from nectar rather than from pollen, and that the animals are in energetic balance over the period of measurement. These assumptions have been tested and found to be robust, except during periods of heavy rain when significant intakes of free-water were recorded. Leaching experiments with pollen grains suggest that less than 10% of the sodium ingested by honey possums is derived from pollen and calculations thus assumed a 90%:10% split between nectar and pollen. Nectar intake averaged 5.9 ± 0.6 ml · day−1 and regressing nectar intake on daily change in body mass predicts an intake of approximately 7 ml · day−1 nectar to maintain balance for a 9 g honey possum. Estimates of pollen intake averaged 660 ± 156 mg · day−1 and a similar regression analysis of the data predicts that a daily intake of approximately 1 g pollen would be needed to maintain mass balance of honey possums. Estimated nectar and pollen intakes did not differ significantly between males and females, but nectar intake was higher in winter compared with dry periods of the year. The sugar content of nectar falls during winter, however, and the overall energy derived from nectar thus remains roughly constant. Estimates of pollen and nectar intake for individual animals were not significantly correlated, suggesting that honey possums forage selectively for these two food items.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003600050257
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  • 7
    Electronic Resource
    Electronic Resource
    The influence of gaseous environment and fatigue frequency on the growth of fatigue cracks in some aluminum alloys (1969)
    Springer
    International journal of fracture 5 (1969), S. 255-268 
    Details
    ISSN: 1573-2673
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Zusammenfassung Bei Ermüdungsfrequenzen von 100, 1 und 1/60 Hz zeigen Messungen des Rißwachstums daß für eine gewisse Legierung die Veränderung des Wachstums als Funktion der Frequenze teilweise oder völlig von der Umgebung abhängt. Man hat versucht den Einfluß von Sauerstoff, Wasserdampf und Wasserdampf im Gegenwart von Sauerstoff und Stickstoff zu untersuchen. Der notwendigerweise das Rißwachstum zu verändemde kritische Gasdruck hängt von Frequenz und Fortpflanzungsgeschwindigkeit ab. Die Vorgänge bei den beobachten Erfolgen werden erörtert. Die Ergebnisse deuten auf Gasadsorption an den Rißenspitzen and auf die unmittelbare Wirkung der Flächenschichten auf den wachsenden Riß.
    Abstract: Résumé La mesure de la croissance de fissure aux fréquences de fatigue de 100, 1 et 1/60 Hz dans des environments gazeuses montre pour un alliage défini que la variation de la vitesse de croissance avec la fréquence depend de ]'environment soit partiellement, soit totalement. L'effet d'oxygène, vapeur d'eau, et vapeur d'eau en présence d'oxygène et azote a été à l'étude. La pression critique de gaz à que la croissance vient de changer dépend de la fréquence et de la vitesse de propagation. Les mécanismes pour les effets observés sont discutés et les résultats s'attribuent à l'adsorption de gaz à l'extrémité de fissure et à l'action immédiate des couches superficielles sur la fissure croissante.
    Notes: Abstract Measurements of crack growth at fatigue frequencies of 100, 1 and 1/60 Hz in some gaseous environments show that changes of crack rate with frequency can be partly or entirely due to environment, depending on the alloy. The effects of oxygen, water vapor alone and water vapor in the presence of oxygen and nitrogen have been studied. The critical gas pressures which are necessary to affect crack growth depend on frequency and crack rate. Mechanisms for the effects observed are discussed and results are interpreted in terms of gas adsorption at the crack tip and the immediate action of adsorbed surface layers on the crack while it is growing.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00190956
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