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  • Wiley  (62)
  • American Geophysical Union  (43)
  • Springer  (36)
  • American Society of Hematology  (5)
  • Blackwell Publishing Ltd
  • Geological Society of London
  • 2010-2014  (112)
  • 1980-1984  (16)
  • 1970-1974  (21)
  • 1935-1939
  • 1870-1879
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  • 1
    Publication Date: 2013-08-28
    Description: [1]  Estimates are calculated for the storm-time reduction of solar-wind/magnetosphere coupling by the mass density ρ m of the magnetospheric plasma. Based on the application of the Cassak-Shay reconnection-rate formula at the dayside magnetopause, a numerical factor M is developed to quantify the effect of ρ m on the dayside reconnection rate. It is argued that the mass loading of dayside reconnection by ρ m also makes reconnection more susceptible to shutoff by magnetosheath velocity shear: a formula is developed to estimate the shortening of the dayside reconnection X-line by ρ m . Surveys of plasmaspheric drainage plumes at geosynchronous orbit during high-speed-stream-driven storms and CME-driven storms are presented: in the surveys the CME-driven storms are separated into sheath-driven portions and magnetic-cloud-driven portions. The stormtime mass density of the warm plasma cloak (ionospheric outflows into the electron plasma sheet) is obtained from Alfven-wave analysis at geosynchronous orbit. A methodology is developed to extrapolate geosynchronous-orbit plasma measurements to the dayside magnetopause. For each of the three plasmas, estimates of the fractional reduction of the total dayside reconnection rate vary, with typical values of 10's of percent. I.e. solar-wind/magnetosphere coupling is reduced by 10's of percent during storms by oxygen in the ion plasma sheet, by the plasmaspheric drainage plume, and by the plasma cloak. Dependence of the reduction on the F10.7 solar radio flux is anticipated. Via these ionospheric-origin plasmas, the magnetosphere can exert some control over solar-wind/magnetosphere coupling. Pathways to gain a fuller understanding of the physics of the solar-wind-driven magnetosphere-ionosphere system are discussed.
    Print ISSN: 0148-0227
    Topics: Geosciences , Physics
    Published by Wiley on behalf of American Geophysical Union (AGU).
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  • 2
  • 3
    Publication Date: 2010-03-10
    Print ISSN: 1069-3629
    Electronic ISSN: 1745-6592
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
    Published by Wiley
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Review of income and wealth 19 (1973), S. 0 
    ISSN: 1475-4991
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: This paper entails an investigation of the effects of data revisions on forecasting accuracy, through use of preliminary and revised national accounting data compiled by the United Nations. A small model was estimated for each of fourteen countries and ex post“forecasts” generated for each country and each year of the period 1957–1964, using first preliminary and then revised data.A prior analysis of the data revisions indicated a strong and widespread tendency for the preliminary estimates to understate both levels and year-to-year changes. This is consistent with the findings of other studies.Two sets of forecasts obtained from the reduced form of the model were considered in relation to “actual” levels and changes, obtained from the revised data, and also in relation to each other. A strong downward bias was observed in the forecasts of levels based on preliminary data, and a weaker one in the forecasts of changes. The forecast discrepancies for different variables were found to be significantly correlated.The results suggest that a tendency toward understatement in preliminary data may account in part for the general tendency toward understatement in forecasts noted in other studies.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 47 (1982), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Effects of carcass transfer and line transport, deboning, protein extraction and product wrapping, meat blending, product packaging and cooking-smoking procedures on microbiological concentrations were evaluated. Increased mesophilic bacterial numbers were associated with carcass transfer and line transport with no effects on other bacterial concentrations. Hand deboning increased bacteria on breast and thigh tissue. Mechanical deboning increased bacterial content. Protein extraction and product wrapping produced minor effects. Bacterial numbers from meat blends reflected combination of input components. Product packaging exerted minor effects on numbers of bacteria from raw product. Handling required in packaging cooked product produced increases in tissue bacterial content. Cooking and smoking procedures were equally effective in reducing bacterial contents to essentially negative concentrations.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 30 (1974), S. 1364-1366 
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Résumé On décrit une nouvelle technique pour les teintures de chromosomes humains. La technique, une modification de l'argent-ammonical, teint sélectivement la région de constriction secondaire du chromosome paire 9, et quelquefois les régions centromériques des chromosomes acrocentriques des groupes D et G. C'est d'un intérêt cytogénétique, puisque les régions chromosomiques sont celles dans lesquelles la fraction satellite DNA III a été découverte par des études d'hybridisation in situ.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Saccostrea echinata (Quoy and Gaimard) were exposed to 10 μg 1-1 of either mercury, cadmium or lead at 30 °C, 36‰S; 30 °C, 20‰S; 20°C, 36‰S and 20°C, 20‰S for 30 d and were then transferred to clean seawater for a further 30 d to depurate. Specimens were removed at regular intervals during the exposure and depuration periods, dissected into gills, mantle, visceral mass and adductor, and analysed for the appropriate metal by atomic absorption spectroscopy. Mercury was concentrated more than the other metals in all tissues under all conditions. Cadmium uptake was greater than lead in all tissue in the high-temperature experiments, whereas both metals were concentrated to similar extents at low temperature. The gill tissue generally accumulated the greatest amount of all 3 metals, whilst the adductor concentrated the least amount. At both salinities, mercury and cadmium accumulation by all tissues was significantly greater at the higher temperature whereas lead uptake was only marginally increased. The accumulation rates of mercury at high temperature were significantly greater in all tissues at low compared with high salinity, whereas at low temperature, differences were not significant. Accumulation rates of cadmium and lead in the majority of tissues examined were significantly greater in lowsalinity water at both temperatures. In general, lead was lost the most rapidly from oyster tissues, followed by mercury and then cadmium. The residence times for mercury and cadmium differed significantly between tissues, with the gills showing the highest turnover rate. In contrast, residence times for lead were similar between tissues. Losses of all 3 metals from oyster tissues were not obviously influenced by temperature and only mercury losses differed significantly between salinities.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Archive for rational mechanics and analysis 56 (1974), S. 367-371 
    ISSN: 1432-0673
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 29 (1973), S. 122-124 
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Résumé Une étude de chromosomes des poissons polyptères africains,Polypterus palmas etCalamoichthys calabricus révèle un nombre diploïde de 36. Ce caryotype a été comparé à celui du Dipneustes, du Holostéens et du Chondrostéens. Il ressort de cette analyse que les Polyptères occupent une situation intermédiaire entre celles des Actinopterygii et des Dipnoi, ce qui légitime le point de vue selon lequel ils doivent être placées dans une sousclasse distincte, les Branchiopterygii.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical pharmacology 18 (1980), S. 175-183 
    ISSN: 1432-1041
    Keywords: amoxycillin ; pharmacokinetics ; bedrest ; sleep ; ambulation ; renal clearance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The pharmacokinetics of amoxycillin in normal male volunteers was studied during the states of bedrest, sleep and ambulation. The absorption and disposition of amoxycillin in ambulatory subjects was found to be comparable to that reported previously by other workers. Serum amoxycillin concentrations were found to be significantly greater during ambulation than during bedrest and sleep. The difference in serum levels resulted from an increased apparent total serum clearance and amoxycillin renal clearance during bedrest and sleep compared to ambulation. No significant differences in the clearance was found between the states of bedrest and sleep. The change in renal clearance of amoxycillin during ambulation was attributed to a diminished renal blood flow. Although the terminal half-life of amoxycillin did not differ significantly, the apparent volume of distribution appears to be much greater during bedrest and sleep than during ambulation. This difference could be explained pharmacokinetically using a two compartment model. No significant difference was found between the rates of absorption of amoxycillin as reflected by the lag time and time to peak serum amoxycillin. The actual values for these parameters would suggest, however, that the absorption of amoxycillin is faster during ambulation than in bedrest and that the absorption rate during sleep is slowest. The clinical implications of the effect of posture and sleep on the pharmacokinetics of amoxycillin are discussed.
    Type of Medium: Electronic Resource
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