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  • 1975-1979  (6)
  • 1960-1964  (2)
  • 1930-1934  (1)
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Year
  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of organic chemistry 26 (1961), S. 4181-4182 
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Scandinavian journal of immunology 8 (1978), S. 0 
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Simultaneous determination of CEA, AFP and ALP4 was made in patients with various gynecological malignancies. CEA was positive in 65%, AFP was positive in 1.8% of 55 cases with cervical carcinoma stage 0—-II. ALP4 was positive in one patient in these stages. In the group of cervical carcinoma stage III, stage IV and recurrence, CEA and AFP were positive in 100% and in 8.6% of 35 cases respectively. ALP4 was positive in 14.3%. High levels and/or progressively increasing CEA with positive ALP4 were found to be significant in poor prognostic patients in whom ALP4 was not always found positive. Out of 17 cases with endometrial carcinoma, CEA was positive in 12 patients. AFP and ALP4 were each positive in one case. Of 30 cases with ovarian carcinoma, CEA was positive in 70%, AFP in 23% and ALP4 in 14%. Increasing CEA and/or increasing AFP appeared to be correlated with poor prognosis. In the group of 5 vulvar carcinoma, only CEA was positive in 80% of the patients. Of 19 cases of choriocarcinoma, CEA was positive in 11%, AFP was positive in 5.3% and ALP4 was positive in 5.6%. There existed reverse-correlation between serum CEA and AFP in some cases.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Bulletin of environmental contamination and toxicology 19 (1978), S. 703-706 
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Virchows Archiv 293 (1934), S. 615-664 
    ISSN: 1432-2307
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Archive of applied mechanics 48 (1979), S. 85-95 
    ISSN: 1432-0681
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Übersicht Mit Hilfe der Variationsrechnung wird der Kollaps einer an einer festen Wand haftenden Blase analysiert. Durch numerische Rechnungen für verschiedene Werte des Randwinkels wird dessen Einfluß auf die Blasengestalt beim Kollaps untersucht. Es zeigt sich, daß sich bei Blasen mit einem Randwinkel α 〈 90 ° unabhängig vom Gasinhalt der Blase und von der Blasengröße ein auf die Wand gerichteter Flüssigkeitsstrahl bildet. Während die Blasengestalt nur wenig vom Gasinhalt abhängt, beeinflussen die Webersche Zahl und der Randwinkel die Gestalt der Blase erheblich.
    Notes: Summary The problem of the behavior of a bubble attached to a solid wall was solved numerically by the variational method, in which the viscosity and compressibility in the liquid are neglected. The effects of the surface tension and the contact angle on the collapsing bubble were taken into account. As a result, it was clarified that for the contact angle α 〈 90 ° the projecting part of liquid advancing against a solid wall was formed in the collapsing process regardless of the amount of gas in the bubble and the bubble size, and that the effects of the Weber number and the contact angle on the bubble shape were large, while the effect of amount of gas in the bubble was small.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 35 (1979), S. 1199-1200 
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Interaction between the slow negative-positive waves of human evoked electrospinograms produced by descending and segmental volleys was tested under general anaesthesia. A partial occlusion was demonstrated in these slow waves.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 256 (1978), S. 723-723 
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Medical & biological engineering & computing 1 (1963), S. 195-202 
    ISSN: 1741-0444
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Description / Table of Contents: Résumé Se basant sur une analyse de la fréquence et de l'intensité des bruits et souffles du coeur, les auteurs ont étudié la standardisation de la phonocardiographie. Cette analyse avait été réalisée à l'aide d'un système de microphone approprié. Pour obtenir les résultats désirés, les auteurs ont créé un vibromètre permettant d'étalonner le microphone dans des conditions identiques à celles présidant à l'usage normal. Les fréquences des différents bruits et souffles pathologiques ont été classées en 4 groupes, à savoir: basses fréquences, fréquences moyennes, hautes fréquences, et fréquences semihautes. La gamme optimale des basses fréquences à enregistrer se plaçait entre 25 et 100 c/s, celle des fréquences moyennes entre 100 et 200 c/s, et celle de la bande de fréquences hautes au-dessus de 300 c/s. La rapidité des bruits et souffles du coeur accusait un amortissement d'env. 12–18 db/oct. dans les hautes fréquences, et de 6–12 db/oct. dans les basses fréquences. Les relations entre le spectre de fréquence de l'amplitude des phénomènes de vibration et l'amortissement par filtres, ont été élucidées. Sur la foi de ces résultats, on recommande 3 filtres pour l'usage clinique. Pour démontrer la fidélité du système, on a analysé la fréquence totale des signaux ayant passé par ces filtres.
    Abstract: Zusammenfassung Es wurde eine Studie zur Standardisierung der Phonokardiographie durchgeführt, bei welcher sich die Autoren auf eine Analyse von Frequenz und Intensität der Herztöne und-geräusche stützten, welche mittels eines geeichten Mikrofonsystems vorgenommen worden war. Um das Mikrofon unter den gleichen Bedingungen wie bei normalem Gebrauch eichen zu können, haben die Autoren ein Vibrometer geschaffen, welches die gewünschten Resultate lieferte. Die Frequenz-Verteilung von verschiedenen pathologischen Herztönen und-geräuschen wurde in 4 Kategorien eingeteilt, und zwar: Nieder—, Mittel—, Hoch-und Mittelhoch-Frequenzbänder. Der optimale Frequenzbereich des zu registrierenden Nieder frequenzbandes lag zwischen 25 und 100 c/s, der des Mittelfrequenzbandes zwischen 100 und 200 c/s und der des Hochfrequenzbandes lag über 300 c/s. Die Schnelligkeit der Herztöne und-geräusche zeigte eine Dämpfung von etwa 12–18 db/okt im Hochfrequenzbereich, und von 6–12 db/okt in dem Niederfrequenzbereich. Die Beziehungen zwischen dem Amplituden-Frequenzspektrum der Schwingungsphänomene und der Filterdämpfung wurden geklärt. Aufgrund dieser Resultate werden 3 Filter für klinischen Gebrauch empfohlen. Um die Zuverlässigkeit des Systems zu demonstrieren, wurde der Gesamtfrequenzgang der Sgnale nach dem Durchlaufen dieser Filter analysiert.
    Notes: Abstract A study on the standardization of phonocardiography was made, based upon the analysis of frequency-intensity of heart sounds and murmurs using a calibrated microphone system. In order to calibrate the microphone under the same conditions as in actual use, the authors devised a vibrometer which provided desirable results. The frequency distributions of various extra sounds and murmurs were classified in four groups, i.e. low, medium, high and medium-high frequency bands. The optimum frequency range of the low frequency band to be registered was from about 25 to 100 c/s, that of the medium frequency band from about 100 to 200 c/s and that of high was above about 300 c/s. The velocity of heart sounds and murmurs had a decline rate of about 12 to 18 dB/oct. in the high frequency range and of 6 to 12 dB/oct. in the low frequency range. The relation between the amplitude frequency spectrum of vibration phenomena and the decline rate of filters was clarified. Based upon these results three filters for clinical use were offered. The validity of the system was demonstrated by analysing the results overall responses of the phenomena after passing through these filters.
    Type of Medium: Electronic Resource
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