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  • 1980-1984  (7)
  • 1
    Book
    Book
    Los Alamitos, CA u.a. :IEEE Computer Society Press,
    Title: Tutorial on software design techniques
    Author: Freeman, Peter
    Contributer: Wasserman, Anthony I.
    Publisher: Los Alamitos, CA u.a. :IEEE Computer Society Press,
    Year of publication: 1980
    Pages: 455 S.
    Type of Medium: Book
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  • 2
    Electronic Resource
    Electronic Resource
    Cambridge : Cambridge University Press
    The @journal of African history 23 (1982), S. 365-379 
    ISSN: 0021-8537
    Source: Cambridge Journals Digital Archives
    Topics: History
    Notes: This paper traces the process of the decline of African middlemen in Eastern Nigeria from wealthy entrepreneurs of the late nineteenth century to petty traders after 1930. Four phases are identified in their decline. During the first phase, 1900–5, the middlemen lost only the political control of their trading areas but benefited commercially. The establishment of colonial rule expanded their market. And with the reluctance of expatriate firms to move into the interior, the continued ignorance of the natives of the actual prices of their produce and of imported goods, and the encouragement from the colonial administrators, African middlemen prospered.These advantages were lost during the second phase, 1905–16. As the firms began to move inland from 1905, they traded with the natives and fostered a new group of smaller and dependent middlemen. The middlemen's market began to contract and their wealth declined. Their fortunes worsened during the third phase, 1916–30. With the opening of the Eastern Railway to traffic in 1916 and the increased construction of roads during this period, the firms intensified their penetration of the interior, swallowing up what remained of the middlemen's market. The introduction of produce inspection in Eastern Nigeria in 1928 added more hardships for the middlemen, putting many out of business. And by 1930 the trust system, upon which most middlemen depended after 1916 for raising their trading capital, collapsed, leaving most of them impoverished.Thus, after 1930 African middlemen were no more than petty traders, trading with little capital and making marginal profit. They became incapable of challenging the expatriate firms in the import–export trade as their predecessors had done in the nineteenth century. The firms employed various trade malpractices to ensure that the African traders retained this status until the 1940s.
    Type of Medium: Electronic Resource
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  • 3
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    Unknown
    London : Periodicals Archive Online (PAO)
    Africa. 54 (1984) 4.46 
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  • 4
    ISSN: 1573-2568
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Twoin vivo methods that permit quantitation of gastric acid secretion immediately after the meal are currently in use: intragastric titration and the serial dilution indicator method. During intragastric titration, intragastric pH is artifically maintained at 5.5 to 7 by the continuous addition of alkali to the gastric contents, while during serial dilution the intragastric pH is permitted to seek its natural pH. This study compared gastric acid secretion and serum gastrin in response to a liquid protein meal measured by both techniques in 10 subjects. Mean (±se) 3-hr acid outputs were almost identical (53.6±6.0 mmol/3 hr with intragastric titration and 52.0±8.5 mmol/3 hr with serial dilution indicator). Furthermore, 30 min secretory responses in individual subjects were highly correlated (r=0.98±0.01, P〈0.001). Also, in spite of intragastric pH being less than 1.5 by 90 min after the meal during the serial dilution method, total integrated serum gastrin concentrations after the meal were similar (intragastric titration=20.6±7.3 ng min/ml versus serial dilution indicator=23.5±9.8 ng min/ml) and individual 30-min gastrins during the two separate tests were highly correlated (r=0.80±0.06, P〈0.01). It is concluded that both meal-stimulated gastric acid secretion and serum gastrin concentrations as measured by intragastric titration and by the serial dilution indicator method produced similar results.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Digestive diseases and sciences 25 (1980), S. 485-488 
    ISSN: 1573-2568
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The pancreatic polypeptide (PP) response to food has been measured by radioimmunoassay in patients with duodenal ulcer and 3 months following proximal gastric vagotomy (PGV), 18 and 49 months following truncal vagotomy and pyloroplasty (TV), 35 months following Billroth II gastrectomy (BII), and 35 months following truncal vagotomy and antrectomy (TV&A). Basal PP levels and those in response to food were similar in DU and PGV, but these values were significantly higher than those 18 months or 49 months after TV, or after BII and TV&A. The responses in the latter four groups were similar and in particular, the levels 18 and 49 months after TV were the same. These results indicate that the release of PP by food in unoperated patients consists of two phases, a primary phase which requires both intact vagi and an intact stomach and a secondary phase which also depends on vagal innervation and normal gastric anatomy. Disturbances in vagal innervation or gastric integrity lead to profound changes in PP release which may be due to interruption of neural arcs or loss of gastric hormones. Unlike others, we have been unable to document a return of PP secretion towards normality with time after TV.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Digestive diseases and sciences 26 (1981), S. 289-291 
    ISSN: 1573-2568
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The pancreatic polypeptide (PP) response to a protein-rich meal has been studied in similarly aged patients with gastric ulcer, duodenal ulcer, and controls. The response of the gastric ulcer patients was significantly lower at all points than that of the duodenal ulcer patients or controls, which were similar to one another. Vagal stimulation is probably the single most important factor in PP release, and it is possible that diminished PP release in the gastric ulcer patients is a reflection of vagal underactivity.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Chichester : Wiley-Blackwell
    Biological Mass Spectrometry 15 (1980), S. 273-274 
    ISSN: 0030-493X
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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