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  • 1
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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  • 2
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    Soc. Professional Well Log Analysts
    In:  Extended abstract at the 37th Annual Logging Symposium of SPWLA, Washington, D.C., Soc. Professional Well Log Analysts, vol. C 560, 183 pp., no. 57, pp. AA1-AA13, (ISBN 3-933346-037)
    Publication Date: 1996
    Keywords: Borehole geophys. ; Applied geophysics ; Data analysis / ~ processing ; Fluids ; Conference abstr.
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Public choice 36 (1981), S. 187-192 
    ISSN: 1573-7101
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Summary and conclusions States with politically appointed bank supervisors are more liberal in allowing entry than states with bureaucratic supervisors, contrary to Eckert's hypothesis and his results on taxi regulation. While our results disconfirm his, they may simply be evidence that the hypotheses have yet to be framed properly and derived from a well-specified model of lifetime utility maximization by regulators. For example, the risk of bank failures which result from lax regulation of entry might be discounted more by the short-term political appointee than by the career bureaucrat. In addition, we have found that the dual regulatory system in banking does not by itself undo the outcomes of different state regulatory regimes on entry. Why this should be the case remains to be explored. Theories of capture of the regulatory process by affected parties are also not borne out by our estimates of equation (3). Until we know more about the costs, benefits, and alternative methods of influencing regulatory decisions, however, we cannot claim to have evidence for Peltzman's (1976) interest group model. Testing of such a model will require the use of a system of simultaneous equations.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Public choice 48 (1986), S. 113-124 
    ISSN: 1573-7101
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Conclusions The author attempting to analyze the interplay between politics and economics is faced with a large number of problems, ranging from an always too small and idiosyncratic data set to the lack of any generally accepted theory of the process which has testable implications. My aims have been (1) to show that past studies have typically treated inflation in an extremely naive way, disregarding the fact that it may have political pluses if unanticipated, and (2) to test the sensitivity of established formulations to what I believe is the more useful view of voter behavior given in Model II. Since Model I and Model II represent polar extremes of amnesiac and eidetic behavior, tests of intermediate lag structures are clearly in order. Because of administration peculiarities, however, lost data points will pose a serious problem. Next on the research agenda is a look at the process by which the electorate forms its expectations and evaluations. Do events of the recent past indicate that administrations have lost the ability to ‘fool’ people with fiscal and monetary policies because the public's expectations have been rationally formulated? (McCallum, 1977) If so, then there will be a lower likelihood that a president can successfully control his popularity by using monetary and fiscal policies. Or is the recent past an odd slice of history in which external events have temporarily eclipsed the administration's power to control the economy? If so, then the next few decades of data will be well worth examining.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Public choice 60 (1989), S. 31-39 
    ISSN: 1573-7101
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract In a symmetric two-person rent-seeking game, it is shown that nonzero conjectural variations can be incorporated to yield a larger class of solutions than has been hitherto analyzed. The author shows that the fraction of rents dissipated as expenditures by seekers depends on the conjectural variation which is assumed, and that Posner's assertion of full dissipation in his model only holds under a Bertrand conjecture. All admissible constant conjectural variations which are held by both players yield conjecturally consistent equilibria, but the result no longer holds if the game has a systematic bias toward one player.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-0878
    Keywords: Ependyma ; Ultrastructure ; Posterior tela choroidea ; Rhombencephalon ; Rana catesbeiana
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The posterior rhombencephalic tela choroidea of the bullfrog was examined by electron microscopy. This membrane, the pia-ependymal roof of the caudal hindbrain, contains a large central region characterized by cuboidal ependymal cells which surround sizable microscopic apertures — the interependymal pores. Ultrastructurally ependymal cells of this area are characterized by infrequent apical microvilli and cilia. They contain irregularly shaped nuclei and few cytoplasmic organelles that are largely apical in position. The most striking feature is an abundance of cytoplasmic filaments forming an extensive cytoskeleton. Laterally these cells are joined by numerous elaborate desmosomes. The majority of the ependymal cells have a basal lamina consisting of single, double, or triple laminae lying parallel to the basal plasma membrane. Several unusual specializations are seen at the margins of the interependymal pores. The ependymal cells have lateral cytoplasmic processes that form the actual border of each pore. These processes originate from the apical surface of the cell and partially enclose an elaborate network of basal lamina associated with the interependymal pores. These findings demonstrate microscopic apertures in the roof of the fourth ventricle in the bullfrog that are associated with an unusual form of supportive ependyma.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-0878
    Keywords: Glycoproteins ; Ultrastructure ; Tunicamycin ; Colonic epithelium
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Glycoproteins are associated with several structures of colonic absorptive cells of the mouse. These include the cell coat, Golgi apparatus and vesicles that transport the glycoproteins from the apparatus to the cell surface (Michaels and Leblond 1976). In many in vitro systems, the antibiotic tunicamycin inhibits the glycosylation of asparagine residues yielding carbohydrate-poor glycoproteins. In the present in vivo study, tunicamycin was injected into mice. The murine colonic epithelial cells were prepared routinely for electron microscopy and cytochemistry. Cells from the experimental and control animals were similar morphologically. However, staining by the periodic acid-chromic acid-silver methenamine technique, revealed differences in the distribution of glycoproteins. In animals that received the higher dosages of tunicamycin there was a substantial reduction in silver staining in both the Golgi apparatus and the vesicles of colonic epithelial cells compared to these structures in cells of identically treated control tissues, whereas the staining over the cell coat was not significantly altered. Possible explanations for the staining of the cell coat in the treated animals were provided in the text. This report demonstrates the feasibility of using tunicamycin in vivo and detection of the changes obtained by the silver methenamine method.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1862-0760
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Perfluorinated, non-hydrolysed, carbon-chain flat-sheet membranes were treated with ethylene diamine (EDA) to investigate the influence of EDA-treatment on the process of the Pt deposition on these membranes. The electrical resistances of the modified membranes were also measured, to determine the degree of modification of the membranes. Pt-containing membranes were characterised using SEM to compare the profile of the Pt deposition on Pt-containing membranes that were not modified. Dielectric analysis (DEA) was used to investigate the dipole and ion mobility of hydrolysed EDA-modified membranes.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1573-8477
    Keywords: Seed size variation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary We examined seed-mass variation in 39 species (46 populations) of plants in eastern-central Illinois, USA. The coefficient of variation of seed mass commonly exceeded 20%. Significant variation in mean seed mass occurred among conspecific plants in most species sampled (by hierarchical ANOVA), averaging 38% of total variance. For most species, within-plant variation was the larger component of total variance, averaging 62% of total variance. Variation in seed mass among fruits within crops was significant in most species tested. We conclude that variation in seed mass among and within plants is widespread and common. There was little evidence of trade-offs between number of seeds and mean or variance of seed mass, and little correlational evidence of local competition for maternal resources. No consistent ecological (dispersal mode and growth form) correlates of variance of seed mass were evident.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Glass and ceramics 15 (1960), S. 399-399 
    ISSN: 1573-8515
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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