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  • 1
    Type of Medium: Book
    Series Statement: ICES council meeting papers 1977(3b)
    Language: Undetermined
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  • 2
    Book
    Book
    Frankfurt(Main) : DLG-Verl.
    Keywords: Forellenzucht
    Type of Medium: Book
    Pages: 124 S , Ill., graph. Darst
    ISBN: 3769030788
    Series Statement: Arbeiten der DLG [N.F.], 137
    Language: German
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 12 (1978), S. 0 
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: In brackish water the variety of marine and freshwater parasite species is considerably reduced. The distribution in brackish water of most marine endoparasites is restricted by the salinity tolerance of their hosts, most of the parasite species are more tolerant than their hosts. The influence of salinity and temperature on nine species has been examined; first stage larvae of Contracaecum aduncum develop in 0-32‰ salinity; Cryptocotyle lingua proved to be infective at salinities down to 4‰. The greatest resistance was found in Anisakis larvae from herring Clupea harengus, which survived for more than half a year. Parasites in the fish intestines appear to be unaffected by changing water salinities, as the osmolarity in the intestines stays nearly constant. Marine ectoparasites (Acanthochondria depressa, Lepeophtheirus pectoralis) survive about three times longer than freshwater species (Piscicola geometra, Argulus foliaceus) when salinity is 16‰. High temperature increases the effects of adverse salinities on parasites. There is evidence that none of these ecto-parasitic species can develop within the range of 7-20‰ salinity.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Contact dermatitis 1 (1975), S. 0 
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Marine biology 32 (1975), S. 189-192 
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The effects of two toxic polypeptides isolated from Anemonia sulcata Pennant (Anthozoa) were tested on Gadus morhua, Pleuronectes platess and Platichthys flesus. In tramuscular injections caused paralysis and death, with symptoms similar to those of death caused by lack of oxygen. In cod, the LD50 dose of Toxin II was 50 times higher chan that of Toxin I (Toxin I=6.9 mg/kg, Toxin II=0.14 mg/kg). Flatfish were less sensitive. The LD50 of Toxin II was 0.37 mg/kg for Platichthys flesus and 0.38 mg/kg for Pleuronectes platessa. Both toxins are less lethal to fishes than to crustaceans.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Mathematische Zeitschrift 148 (1976), S. 107-118 
    ISSN: 1432-1823
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Numerische Mathematik 25 (1976), S. 185-200 
    ISSN: 0945-3245
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Summary For two-fold integrals, a lower bound is derived for the number of nodes in a cubature formula of degree 2s-1. There is a formula of degree 2s-1 for which the number of nodes attains this lower bound, iff a certain condition is fullfilled. By this condition, all formulas of degree 2s-1 with that minimal number of nodes can be constructed. Examples and a generalization to then-dimensional case are given.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Naturwissenschaften 29 (1941), S. 166-168 
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Archives of dermatological research 158 (1929), S. 597-614 
    ISSN: 1432-069X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Zusammenfassung In der vorliegenden Arbeit wurden 296 Fälle von gonorrhoischer Mon- und Polyarthritis nach verschiedenen statistischen Gesichtspunkten ausgewertet. Dabei zeigte sich in jeder Hinsicht, daß von einer bestimmten Gesetzmäßigkeit der gonorrhoischen Arthritis keine Rede sein kann; es bestehen keinerlei Zusammenhänge zwischen Beruf, Lokalisation, Lebensalter, Jahreszeit, Inkubation der Gonorrhöe und den verschiedenen Arthritiden. Lediglich eine Tatsache, die im übrigen schon in der Literatur niedergelegt ist, konnte auch an unserem Material bestätigt werden, das ist die prozentual stärkste Beteiligung der Kniegelenke bei den gonorrhoischen Gelenkentzündungen überhaupt. Ein Grund dafür läßt sich nicht ohne weiteres eruieren. Im übrigen sind die Bedingungen, die zum Entstehen einer gonorrhoischen Arthritis notwendig sind, noch durchaus unklar; Traumen und dauernde Gelenkanstrengungen sind nicht ohne weiteres dazu in Beziehung zu setzen. Wir müssen auch hier eben immer noch auf die Disposition zurückgreifen, ohne damit etwas Bestimmtes anführen zu können. Jedenfalls ist das eine sicher, daß die gonorrhoische Arthritis im Gegensatz zu manchen Angaben auch der neueren Literatur nichtüberwiegend monartikulär auftritt, im Gegensatz zu manchen anderen Angaben tritt sie aber auch nichtüberwiegend polyartikulär auf. Einem Befallensein von einem Gelenk in zwei Drittel aller Fälle steht bei unserem Material einem Befallensein von mehreren Gelenken in einem Drittel der Fälle gegenüber, eine Zahl, die sich mit verschiedenen anderen Literaturangaben deckt.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1433-8491
    Keywords: Suicide ; Attempted suicide ; Suicidal act ; Parasuicidal act ; Suicide prevention services ; Suicid ; Suicidversuch ; Suicidale Handlung ; Parasuicidale Handlung ; Selbstmordverhütungsinstitutionen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung An 150 Patienten mit Tablettenselbstmordversuch warden soziale und psychiatrische Daten analysiert. Die sozialen Daten werden in Beziehung gesetzt zu einer Vergleichsgruppe von Suicidenten. Bei den psychiatrischen Daten werden insbesondere Informationen über das Selbstmordverhalten herausgearbeitet. Der letzte Teil der Untersuchung beschäftigt sich mit der Bekanntheit und der Inanspruchnahme von Selbstmordverhütungsinstitutionen.
    Notes: Summary Social and psychiatric data on patients who attempted suicide are analysed and compared with social data on a control group of persons who succeeded in committing suicide. Among the psychiatric data, information about presuicidal and suicidal behavior is elaborated. The last part of the analysis describes how many people know about and use suicide prevention services.
    Type of Medium: Electronic Resource
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