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  • 1
    Digitale Medien
    Digitale Medien
    EM COUPLING IN MULTIFREQUENCY IP AND A GENERALIZATION OF THE COLE-COLE IMPEDANCE MODEL (1985)
    Oxford, UK : Blackwell Publishing Ltd
    Geophysical prospecting 33 (1985), S. 0 
    Details
    ISSN: 1365-2478
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Geologie und Paläontologie , Physik
    Notizen: The Cole-Cole relaxation model has been found to provide good fits to multifrequency IP data and is derivable mathematically from a reasonable, albeit greatly simplified, physical model of conduction in porous rocks. However, the Cole-Cole model is used to represent the mutual impedance due to inductive or electromagnetic coupling on an empirical basis: this use has not been similarly justified by derivation from any simple physical representation of, say, a half-space, layered or uniform.A uniform conductive half-space can be represented as a simple subsurface loop with particular resistive and inductive properties. Based upon this, a mathematical expression for the mutual impedance between the two pairs of electrodes of a dipole-dipole array is derived and designated “model I”. It is seen that a degenerate case of model I is the Cole-Cole model with frequency exponent c= 1. Model I is thus more general than the Cole-Cole expression and must provide at least as good a fit to a set of field data. Provision for variation of c from unity could be made in model I equally well as for the Cole-Cole model although, at present, this would be a purely empirical alteration.Model I contains four parameters, one of which is, in effect, the resistivity of the half-space. Therefore only three parameters are involved in the model I expressions for normalized amplitude and for phase of the EM-coupling mutual impedance. Model I is compared with previously published “standard” values for two different dipole separations. Under particular constraints, model I is shown to provide better fits than the Cole-Cole model (with c= 1) over particular frequency ranges, specifically at very low frequencies and at moderately high frequencies where the model I phase curve follows the standard phase curve across the axis to positive values (negative coupling).
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1365-2478.1985.tb00435.x
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Olfactory Recognition of Congenic Strains of Rats (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 510 (1987), S. 0 
    Details
    ISSN: 1749-6632
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Allgemeine Naturwissenschaft
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1749-6632.1987.tb43503.x
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    IN MEMORIAM (1984)
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 11 (1984), S. 0 
    Details
    ISSN: 1477-9730
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Architektur, Bauingenieurwesen, Vermessung
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1477-9730.1984.tb00479.x
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
    Digitale Medien
    Digitale Medien
    Seabirds in the Greenland, Barents and Norwegian Seas, February-April 1982 (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Polar research 2 (1984), S. 0 
    Details
    ISSN: 1751-8369
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Geographie , Geologie und Paläontologie
    Notizen: The pelagic distributions of seabirds in the Greenland, Norwegian and western Barents Seas are poorly known, especially in winter. This paper describes quantitative observations made in the course of an oceanographic cruise between 60°-79°13′N and 15°W-18°30′E from 25 February to 4 April 1982. Seabirds were generally scarce: the principal species were Fulmarus glacialis, Rissa tridactyla, Pagophila eburnea, Una spp. and Alle atle. Numbers were greatest in the south and east, where the sea surface temperatures were warmest. Pagophila eburnea and Cepphus grylle were most commonly seen near the edge of the pack-ice in the Greenland Sea. In the pack-ice zone Fulmarus glacialis and Alle alle were commonest where the sea surface was 40–60% covered with ice. These late-winter observations are compared with published accounts of summer distributions. Preliminary quantitative comparisons also suggest that the size of the population of Uria spp. wintering in the survey area, and especially in the western Barents Sea, is significantly larger than that which winters off Nova Scotia, eastern Canada; the reverse is true of Alle alle. R. G. B. Brown, Canadian Wildlife Service, Bedford Institute of Oceanography, P.O. Boxlø06, Dartmouth, Nova Scotia, Canada, B2Y 4A2.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1751-8369.1984.tb00482.x
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  • 5
    Digitale Medien
    Digitale Medien
    A NOTE ON THE INFLUENCE OF REST PERIODS ON THE FATIGUE ENDURANCE OF A TITANIUM ALLOY (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Fatigue & fracture of engineering materials & structures 7 (1984), S. 0 
    Details
    ISSN: 1460-2695
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Maschinenbau
    Notizen: S-N curves have been determined for continuous cycling and for interrupted cycling using commercial purity titanium, and also a Ti-6Al-4V alloy in four different states of heat treatment. The incorporation of rest periods during the fatigue tests resulted in increased lives to fracture to an extent which appeared to be independent of specimen composition or microstructure, and hence primarily a function of the titanium itself. Failures from internal crack origins were found at longer lives from some specimens for both continuous and interrupted tests. It is suggested that the observed effects are due to localised hardening and strain ageing as a consequence of oxygen and/or nitrogen pick-up from the testing environment, and also as a result of oxygen and/or nitrogen present in the starting material.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1460-2695.1984.tb00192.x
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
    Digitale Medien
    Digitale Medien
    EFFECTS OF PRECIPITATION AND LAND USE ON STORM RUNOFF (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 24 (1988), S. 0 
    Details
    ISSN: 1752-1688
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Architektur, Bauingenieurwesen, Vermessung , Geographie
    Notizen: : Storm-runoff quantity and quality were studied in three watersheds located near St. Paul in Ramsey County, Minnesota, from April 15 through September 15 of 1984, 1985, and 1986 to qualitatively determine the effects of precipitation and selected land uses on storm runoff. In respect to precipitation effects, differences in stormrunoff quantity between years in an urban watershed that lacks wetlands appear to be related to the average storm size (amount of precipitation) during the study period of each year. In contrast, the differences in storm-runoff quantity from watersheds that contain wetlands appear to be related to total precipitation during study period of each year. In respect to land use, the differences in storm-runoff quantity appear to be related to the amounts of impervious and wetland area. The watershed that contains the largest amount of impervious area and smallest amount of wetland area has the largest amount of storm runoff. Differences in storm-runoff quality appear to be related to the amounts of wetland and lake area. The watershed that contains the largest amounts of wetland and lake area has the smallest storm-runoff loading of suspended solids, phosphorus, and nitrogen. The wetland and lake areas likely retain the loading and, subsequently, lower the amount of storm-runoff loading exported from a watershed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1752-1688.1988.tb03001.x
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
    Digitale Medien
    Digitale Medien
    GENERAL DISCUSSION OF AWTITHIAMIN COMPOUNDS AND THIAMIN A.NTAGONISTS (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 378 (1982), S. 0 
    Details
    ISSN: 1749-6632
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Allgemeine Naturwissenschaft
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1749-6632.1982.tb31194.x
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  • 8
    Digitale Medien
    Digitale Medien
    The Clinical and Biochemical Spectrum of Human Pyruvate Dehydrogenase Complex Deficiency (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 573 (1989), S. 0 
    Details
    ISSN: 1749-6632
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Allgemeine Naturwissenschaft
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1749-6632.1989.tb15011.x
    Standort Signatur Erwartet Verfügbarkeit
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  • 9
    Digitale Medien
    Digitale Medien
    PROTEIN KINASE ACTIVITY AND THE NATURAL OCCURRENCE OF 2-5A IN INTERFERON-TREATED EMC VIRUS-INFECTED L-CELLS (1980)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 350 (1980), S. 0 
    Details
    ISSN: 1749-6632
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Allgemeine Naturwissenschaft
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1749-6632.1980.tb20648.x
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  • 10
    Digitale Medien
    Digitale Medien
    Evaluation of Various Methods for Roasting Frozen Turkeys (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 47 (1982), S. 0 
    Details
    ISSN: 1750-3841
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung
    Notizen: Frozen turkeys were roasted to a lower than normal final temperature (71.1°C, 160°F) by one of the following methods: (1) foil tent, 93.3°C (200°F) oven; (2) foil wrap, 93.3°C (200°F) oven; (3) foil tent, 162.8°C (325°F) oven; (4) roasting bag, 176.7°C (350°F) oven; (5) foil wrap, 204.4°C (400°F) oven; or (6) microwave oven. Birds roasted by low temperature roasting methods received highest ratings for most attributes. Basted birds were preferred for all eating quality attributes. Microwave roasted birds reached final temperature fastest and with least energy consumption, but were rated low in appearance and eating qualities, and often had undesirably pink thigh joints. Turkeys inoculated with Salmonella typhimurium and Clostridium perfringens vegetative cells were essentially sterilized by all roasting methods. These methods can be considered as convenient alternatives to conventional roasting procedures.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1365-2621.1982.tb07628.x
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