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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    International journal of legal medicine 90 (1983), S. 1-6 
    ISSN: 1437-1596
    Keywords: Drowning, lung water content ; Relative lung weight, drowning ; Ertrinken, Wassergehalt der Lunge ; Relatives Lungengewicht, Ertrinken
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Description / Table of Contents: Zusammenfassung Drei Arten von Ertrinkungsflüssigkeiten (Süßwasser, isotonische Kochsalzlösung und hypertonische Kochsalzlösung) wurden angewandt. Nachdem eine Ratte in einen Exsikkator von 17 cm Länge und 14 cm Breite gebracht wurde, wurde das Gefäß mit Flüssigkeit gefüllt. Die Zeitdauer bis zum Todeseintritt von durchschnittlich 2,5 min differierte nicht stark zwischen den drei Gruppen. Die zwei „Kochsalzgruppen” zeigten höhere Werte als die „Wassergruppe”, sowohl was den Wassergehalt der Lunge als auch das Verhältnis Lungengewicht/Körpergewicht (relatives Lungengewicht) betrifft, aber es gab keine signifikante Differenz zwischen beiden „Kochsalzgruppen”. Die Häufigkeit, mit der Schaum aus den Nasenlöchern abfloß, differierte signifikant zwischen den drei Gruppen. Sie scheint vom Salzgehalt der Ertrinkungsflüssigkeit abzuhängen. Es gab keinen signifikanten Unterschied zwischen den Milchsäurekonzentrationen der drei Gruppen. Die Elektrolytgehalte (Na und Cl) im Blut der rechten Herzhälfte spiegelten die Natur der Ertrinkungsflüssigkeit wider.
    Notes: Summary Three kinds of drowning media, i.e., fresh water, isotonic saline, and hypertonic saline were used. After a rat was placed in a desiccator, measuring 17 cm in height and 14 cm in diameter, the vessel was filled with fluid. The average survival time of about 2.5 min did not differ significantly among the three groups. The hypertonic saline group showed the highest values in both the water content of the lung and the lung/body weight ratio; however, this group did not differ significantly from the isotonic saline group in either of the parameters. The difference between the isotonic saline group and the fresh water group was significant. There was a significant positive correlation between the two parameters. However, the lung/body weight ratio was more sensitive to the nature of the drowning media. The frequency, with which froth appeared at the nostrils of the animals that were recovered from the fluid differed significantly among the three groups. The froth appeared almost exclusively in the rats drowned in saline solution. The appearance rate seemed to depend on the salinity of the fluid. There was no significant difference in lactate concentrations among the three groups. The electrolyte (Na and Cl) concentrations in the blood of the right side of the heart reflected the composition of the drowning media.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Neuroradiology 25 (1983), S. 105-109 
    ISSN: 1432-1920
    Keywords: Head injuries ; arteriovenous fistula ; middle meningeal vessels ; spontaneous closure ; carotid angiography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A case is reported of a traumatic middle meningeal arteriovenous fistula, which was formed on the contralateral side to the head injury without a skull fracture and was no longer demonstrable on the repeated angiogram after 35 days without any surgical intervention. Possible mechanisms of fistula formation and its spontaneous closure are discussed.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Journal of materials science 2 (1983), S. 395-396 
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 28 (1983), S. 3671-3679 
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: The novel reactive antioxidants based on tetrazoles that are stable at room temperature and convertible into the highly reactive nitrileimines by pyrolysis were prepared and the reactivity for carbon-carbon double bonds was evaluated. Antioxidants, i.e., 2-substituted phenyl-5-(3′,5′-di-tert-butyl-4′-hydroxyphenyl)tetrazoles (PHPT) were prepared with the reaction of p-toluenesulfonylhydrazone of 3,5-di-tert-butyl-4-hydroxybenzaldehyde and substituted phenyl diazonium chloride in a mixed solvent of pyridine, ethanol, and water at -10°C to -20°C in 31-61% yields. To evaluate the reactivities of PHPT for carbon-carbon double bonds, m-chloro-substituted PHPT was pyrolyzed in an excess of styrene at 160-170°C for 0.5 h to give the 1-(3′-chlorophenyl)-3-(3″,5″-di-tert-butyl-4″-hydroxyphenyl)-5-phenyl-2-pyridazoline in a 44.1% yield by 1,3-dipolar addition reaction of the nitrileimine formed from the m-chloro-substituted PHPT. The thermogravimetric analysis of a mixture of proton isomer of PHPT and liquid polybutadiene showed that PHPT attached to liquid polybutadiene with an accompanying evolution of nitrogen.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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