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  • 1
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    Ab initio vibrational and dielectric properties of chalcopyrite CuInS 2 (2003)
    Springer
    Details
    Publication Date: 2003-06-01
    Print ISSN: 1434-6028
    Electronic ISSN: 1434-6036
    Topics: Physics
    Published by Springer
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  • 2
    Electronic Resource
    Electronic Resource
    Use of chlorpromazine for the determination of micro-quantities of reducing substances (1975)
    Springer
    Microchimica acta 64 (1975), S. 93-99 
    Details
    ISSN: 1436-5073
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Bei der Reaktion von Chlorpromazin(CPZ)hydrochlorid mit o-Jodosobenzoesäure in wäßriger Lösung entsteht durch Oxydation das freie Radikal CPZ· mit einem Absorptionsmaximum bei 530 nm. In 20%iger Phosphorsäure ist dieses freie Radikal beständig und hat einen molaren Extinktionskoeffizienten von 9,7·103. Das rote CPZ· wird von Thiosulfat, Eisen(II), Askorbinsäure, NADH und NADPH vollständig zu CPZ reduziert. Die Zugabe dieser Reduktionsmittel zu einer roten Lösung von CPZ· hat eine Abnahme der Extinktion zur Folge, deren Ausmaß der Menge Reduktionsmittel proportional ist. Auf dieser Grundlage lassen sich Mikromengen reduzierender Substanzen quantitativ bestimmen.
    Notes: Summary Chlorpromazine (CPZ) hydrochloride when reacted witho-iodosobenzoic acid in aqueous solution is oxidised to chlorpromazine free radical (CPZ·) which has an absorption maximum at 530 nm. In the presence of 20% phosphoric acid the free radical is stable and has a molar extinction coefficient of 9.7×103. The red CPZ· is readily reduced quantitatively by thiosulphate, ferrous ion, ascorbic acid, and the reduced form of the coenzymes nicotinamide adenine dinucleotide (NAD) and nicotinamide adenine dinucleotide phosphate (NADP) to the colourless CPZ under the conditions described. The addition of these reducing substances to a red solution of CPZ· results in a decrease in absorbance in direct proportion to the quantity of the reducing compounds present. This forms the basis for the quantitative estimation of micro-quantities of reducing substances.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01220990
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  • 3
    Electronic Resource
    Electronic Resource
    A general colorimetric procedure using oxidized chlorpromazine hydrochloride for the estimation Of enzymes dependent on NADH/NAD+ and NADPH/NADP+ systems (1975)
    Springer
    Microchimica acta 64 (1975), S. 139-150 
    Details
    ISSN: 1436-5073
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Chlorpromazin(CPZ)hydrochlorid wird in Gegenwart von 20 gew.-%iger Phosphorsäure durcho-Jodosobenzoesäure zu einem stabilen freien Radikal CPZ· oxydiert, dessen Absorptionsmaximum bei 530 nm liegt. Das rot gefärbte freie Radikal wird von NADH bzw. von NADPH zu farblosem CPZ reduziert. Der Farbverlust ist der Menge anwesender reduzierter Coenzyme proportional. Auf dieser Grundlage beruht ein allgemein anwendbares kolorimetrisches Verfahren zur Bestimmung von NAD+- oder NADP+-abhängigen Oxydoreduktasen. Einzelheiten der Bestimmung und Normalwerte von Lactat-,α-Hydroxybutyrat-, Isozitrat-, Sorbit-, Glucose-6-phosphat- und 6-Phosphogluconatdehydrogenase in Serum und Erythrozyten wurden angegeben.
    Notes: Summary Chlorpromazine (CPZ) hydrochloride in the presence of 20% (w/v) o-phosphoric acid is oxidised by o-iodosobenzoic acid to a stable free radical CPZ· which has an absorption maximum at 530 nm. The red coloured free radical is readily reduced to the colourless CPZ by NADH and NADPH. The reduction causes a decrease in absorbance in direct proportion to the quantity of the reduced coenzymes present. This reaction forms the basis for a general colorimetric method for the assay of NAD+- or NADP+-linked oxidoreductases. Details of the assay methods including normal values for lactic,α-hydroxybutyric, isocitric, sorbitol, glucose-6-phosphate, and 6-phosphogluconate dehydrogenases in serum and erythrocytes are given.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01219380
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  • 4
    Electronic Resource
    Electronic Resource
    Rate and temperature effects on crack blunting mechanisms in pure and modified epoxies (1989)
    Springer
    Journal of materials science 24 (1989), S. 1634-1644 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The failure mechanisms of several epoxy polymers (including pure, rubber- and particulatemodified, as well as rubber/particulate hybrid epoxies) were investigated over a wide range of strain rates (10−6 to 102 sec−1) and temperatures (−80 to 60° C). A substantial variation in fracture toughness, GIc, with rate was observed at both very high and very low strain rates. Under impact testing conditions, GIc for both pure and rubber-modified epoxies displayed peaks at about 23 and −80° C which appeared to correlate with the corresponding size of the crack tip plastic zone. In order to explain these rate and temperature-dependent GIc results, two separate crack blunting mechanisms were proposed: thermal blunting due to crack tip adiabatic heating and plastic blunting associated with shear yield/flow processes. Thermal blunting was found to occur in the pure- and rubber-modified epoxies under all impact testing conditions and temperatures above 0° C. For temperatures below −20° C under impact conditions, the fracture toughness is dependent on viscoelastic loss processes and not thermal blunting. Plastic blunting was predominant at very slow strain rates less than 10−2 sec−1 for the pure- and rubber-modified epoxies and at impact strain rates for the fibre and hybrid epoxies. Microstructural studies of fracture surfaces provided some essential support for the two proposed crack blunting mechanisms.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01105684
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  • 5
    Electronic Resource
    Electronic Resource
    Are REITs inflation hedges? (1990)
    Springer
    The journal of real estate finance and economics 3 (1990), S. 91-103 
    Details
    ISSN: 1573-045X
    Keywords: REITs ; inflation ; hedge ; returns
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract This study investigates the relationship between returns on Real Estate Investment Trusts (REITs) and anticipated inflation. It was motivated by the contradictory findings in the literature concerning the inflation-hedging characteristics of financial and real assets. We employ the methodology developed by Fama and Schwert, which represents a generalization of the Fisher equation. Two different measures of anticipated inflation were used to estimate the regression equations. The results show that REITs generally tend to behave like equities with respect to their hedging characteristics, regardless of how inflation expectations are measured. When we used a survey measure of anticipated inflation, however, we found some evidence that REITs are partial hedges against anticipated inflation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00153708
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  • 6
    Electronic Resource
    Electronic Resource
    Matrix models of two-dimensional quantum gravity and isomonodromic solutions of “discrete Painlevé” equations (1995)
    Springer
    Journal of mathematical sciences 73 (1995), S. 415-429 
    Details
    ISSN: 1573-8795
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract A method of studing of double scaling limits for the two-dimensional string models of quantum gravity is stated. It is actually shown that the study of such limits reduces to the isomonodromic deformation method for integrable discrete equations. A relationship is indicated between the “universality” and isomonodromy properties of the model. It is shown that the partition function of the model is the τ-function associated with the fourth Painlevé equation (ℙ4), and also the Volterra chain. We consider in detail the properties of the Bäcklund transformations for ℙ4. Bibliography: 19 titles.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02364564
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  • 7
    Electronic Resource
    Electronic Resource
    Continual limit in the Hermitian matrix model Ф6 (1995)
    Springer
    Journal of mathematical sciences 73 (1995), S. 436-445 
    Details
    ISSN: 1573-8795
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract We study the double scaling limits of the Hermitian matrix model Ф6 to the first Painlevé equation (ℙ1) and the next “higher” equation ℙ 1 2 of the ℙ1 hierarchy. In the first case we show how to modify the initial condition to obtain the limit required, and in the second case we prove that the required limit exists. Bibliography: 9 titles.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02364566
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  • 8
    Electronic Resource
    Electronic Resource
    Algebrogeometric solutions of a boundary-value problem for the nonlinear Schrödinger equation (1989)
    Springer
    Mathematical notes 45 (1989), S. 349-354 
    Details
    ISSN: 1573-8876
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01157927
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  • 9
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    Rate and temperature effects on crack blunting mechanisms in pure and modified epoxies (1989)
    Springer
    Details
    Publication Date: 1989-05-01
    Print ISSN: 0022-2461
    Electronic ISSN: 1573-4803
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Published by Springer
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  • 10
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    Stochastic differentials (1975)
    Springer
    Details
    Publication Date: 1975-12-01
    Print ISSN: 0095-4616
    Electronic ISSN: 1432-0606
    Topics: Mathematics
    Published by Springer
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