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  • 1990-1994  (4)
  • 1965-1969  (2)
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  • 1
    Digitale Medien
    Digitale Medien
    Oxford, UK : Blackwell Publishing Ltd
    Decision sciences 22 (1991), S. 0 
    ISSN: 1540-5915
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Wirtschaftswissenschaften
    Notizen: In an earlier issue of Decision Sciences, Jesse, Mitra, and Cox [1] examined the impact of inflationary conditions on the economic order quantity (EOQ) formula. Specifically, the authors analyzed the effect of inflation on order quantity decisions by means of a model that takes into account both inflationary trends and time discounting (over an infinite time horizon). In their analysis, the authors utilized two models: Current-dollars model and Constant-dollars model. These models were derived, of course, by setting up a total cost equation in the usual manner then finding the optimum order quantity that minimizes the total cost. Jesse, Mitra, and Cox [1] found that EOQ is approximately the same under both conditions; with or without inflation. However, we disagree with the conclusion drawn by [2] and show that EOQ will be different under inflationary conditions, provided that the inflationary conditions are properly accounted for in the formulation of the total cost model.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    Mathematische Annalen 169 (1967), S. 331-339 
    ISSN: 1432-1807
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Mathematik
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Springer
    Mathematische Annalen 176 (1968), S. 169-180 
    ISSN: 1432-1807
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Mathematik
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 4
    Digitale Medien
    Digitale Medien
    Springer
    Journal of low temperature physics 82 (1991), S. 317-324 
    ISSN: 1573-7357
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract We report a calculation of the band structure and superconductivity of silicon in the hexagonal close-packed phase under pressure. The effect of pressure on the band structure is obtained by means of the linear muffin-tin orbital method. The superconducting transition temperatureT c is calculated using the formulas of Allen and Dynes1 as well as those of McMillan2. It is found that the value ofT c increases with pressure up to 74.3 GPa. The increase inT c is attributed to the continuous s → d electron transfer under pressure. The calculated values ofT c are compared with the available experimental data. Further, Heine's fifth power law3 has been tested from thed-band widths obtained from the band-structure results.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 5
    Digitale Medien
    Digitale Medien
    Springer
    Journal of low temperature physics 86 (1992), S. 165-176 
    ISSN: 1573-7357
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract We report here a theoretical calculation of band strucure and superconductivity in the fcc phase of lanthanum under pressure. The effect of pressure on the band structure is obtained by means of the linear muffintin orbital method. McMillan's formula is used to calculate the superconducting transition temperature (T c). It is found that the value ofT c increases continuously up to 17.8 GPa and then begins to decrease. The change in the slope ofT c is attributed to the appearance of a new piece of Fermi surface. The calculated values ofT c are compared with the available experimental data.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 6
    Digitale Medien
    Digitale Medien
    Brookfield, Conn. : Wiley-Blackwell
    Journal of Vinyl and Additive Technology 13 (1991), S. 83-88 
    ISSN: 0193-7197
    Schlagwort(e): Chemistry ; Chemical Engineering
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Maschinenbau , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung
    Notizen: Many varied articles for the health care industry are produced by extrusion and injection molding processes using poly(vinyl-chloride). Until recently, a mixture of 12% ethylene oxide/88% dichlorodifluormethane (Freon 12) was used to sterilize PVC based components and sets by chemical fumigation. In 1978 EPA reported ethylene oxide to be carcinogenic and mutagenic and established a 50 ppm exposure which was later lowered to 1 ppm. Likewise, Freon 12 came under regulation and is currently being taxed. These developments resulted in an industry need to be furnished with a viable replacement for ethylene oxide sterilization. Gamma irradiation was selected for this purpose as an economical and effective method. This study shows that a rigid PVC compound can be commercially produced that satisfies the critical balance of properties required for the medical device market and also can be sterilized by gamma irradiation without adversely affecting critical properties.
    Zusätzliches Material: 8 Tab.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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