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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Annals of hematology 19 (1969), S. 321-331 
    ISSN: 1432-0584
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary 1. During the incubation of mixed serum so much lysolecithin is released that the inhibition of an accelerated red blood cell sedimentation rate may be exclusively explained by this substance. On the other hand the simultaneously forming unesterified fatty acids only reach a concentration which hardly affects sedimentation. Whereas after incubation of 30 to 40 hours the breakdown of lecithin and with it the release of lecithin are largely completed, the concentration of the unesterified fatty acids is still increasing. 2. Lysolecithin and oleic acid change the aggregation state and the form of the erythrocytes and they qualitatively affect the red cell sedimentation in an identical manner. The difference is quantitative: the effect of lysolecithin is approximately 17 times stronger than that of oleic acid (μMol/μMol). 3. Lysolecithin, unesterified fatty acids and butazolidine inhibit the accelerated red cell sedimentation by reacting with the surface of the erythrocytes and by causing a change of the form of the erythrocytes.
    Notes: Zusammenfassung 1. Während der Inkubation von Mischserum wird soviel Lysolezithin freigesetzt, daß die Hemmung einer beschleunigten Blutkörperchensenkung allein auf diese Substanz zurückgeführt werden kann. Die gleichzeitig entstehenden unveresterten Fettsäuren erreichen dagegen nur eine Konzentration, die die Senkung kaum beeinflußt. Während der Lezithinabbau und mit ihm die Lysolezithinfreisetzung nach einer 30–40stündigen Inkubation weitgehend abgeschlossen sind, nimmt die Konzentration der unveresterten Fettsäuren noch weiter zu. 2. Lysolezithin und Ölsäure verändern den Aggregationszustand und die Form der Erythrozyten und beeinflussen die Blutkörperchensenkung qualitativ in gleicher Weise. Der Unterschied ist ein quantitativer: Lysolezithin wirkt etwa 17mal stärker als Ölsäure (μMol/μMol). 3. Lysolezithin, unveresterte Fettsäuren und Butazolidin hemmen die beschleunigte Blutkörperchensenkung dadurch, daß sie mit der Erythrozyten-oberfläche reagieren und eine Formveränderung der Erythrozyten verursachen.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1572-9486
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The paper gives an analysis of the conditions in the primary circuit of equipment for measuring the magnetization curves of ferromagnets by the ballistic method. It investigates the influence of transitional current states caused by sudden changes in the circuit parameters (commutation, switching off and on of circuit), on the magnetic state of the ferromagnet. In this connection it points out the disadvantages of using the commutational ballistic method compared with the summation ballistic method for measuring the magnetization curves of ferromagnets with rectangular hysteresis loop and very short magnetization reversal time.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Czechoslovak journal of physics 14 (1964), S. 861-872 
    ISSN: 1572-9486
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The author proposes the construction of a generalized Preisach diagram which is valid in the whole interval of fields coming into consideration in processes of technical magnetization. Fundamentally, the paper uses the method of variable probability density used in the papers by Feldtkeller-Wilde [2], Wilde-Girke [3] and later by Biorci-Pescetti [4]. A contribution of this paper is the method permitting the determination of the probability density distribution in the Preisach diagram by means of the experimentally obtained anhysteretic and primary magnetization curve. The advantage of this method compared with that of [4] is that the original Preisach diagram is used as the basis, permitting a clearer physical interpretation of the two separated components of the probability density than the method based on a modification of the Preisach diagram given in [4]. Some more complicated curves of magnetization reversal, calculated by means of the P-diagram proposed here, are compared in the figures with the corresponding measured curves. The values obtained by the method after Biorci-Pescetti are given for comparison.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Czechoslovak journal of physics 14 (1964), S. 280-281 
    ISSN: 1572-9486
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Czechoslovak journal of physics 19 (1969), S. 548-551 
    ISSN: 1572-9486
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Czechoslovak journal of physics 26 (1976), S. 477-478 
    ISSN: 1572-9486
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Czechoslovak journal of physics 23 (1973), S. 748-751 
    ISSN: 1572-9486
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Randomly distributed spherical inclusions are considered in the derivation of an expression for the coercive force of a ferromagnetic single crystal, containing two magnetic domains separated by a single Bloch wall.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Czechoslovak journal of physics 25 (1975), S. 331-339 
    ISSN: 1572-9486
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract An outline of numerical calculation of positions and intensities of spectral lines in EPR spectra of Mn2+ ion in LiNbO3 is presented. Results of numerical calculations obtained by means of computers TESLA 200 and SIEMENS 4004 are compared with experimental spectra. A modification of Jacobi's method of diagonalization is described, which was used for exact solution of a secular equation with Hermitian matrix.
    Type of Medium: Electronic Resource
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