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  • Springer  (83)
  • 1985-1989  (65)
  • 1950-1954  (4)
  • 1935-1939  (14)
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Jungvögel sterben im harten Winter zuerst: Winterverluste beim Austernfischer,Haematopus ostralegus (1987)
    Springer
    Journal of ornithology 128 (1987), S. 325-331 
    Details
    ISSN: 1439-0361
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Summary A spell of frost of 30 days in February/March 1986 caused a high mortality (5–6%) among wintering Oystercatchers on Texel, NL. Anatomical deformations were found in 67% of the frost victims, especially on bill and legs. 60,7% of the frost victims were younger than 1 year and only 8,3% were adults. The mean weight of the 86 victims was about 36% less than the mean normal winter-weights.
    Notes: Zusammenfassung Nach einer 30tägigen Frostperiode im Februar/März 1986 konnten auf der niederländischen Wattenmeerinsel Texel 86 tote Austernfischer untersucht werden. 67% aller Totfunde wiesen Deformationen an Schnäbeln und Beinen auf. 60,7% waren Vögel im ersten Lebensjahr. Der Anteil adulter betrug 8,3%. Die Totfunde wiesen ein Untergewicht von 36% auf. Insgesamt dürften 5–6% des Winterbestandes auf Texel dem Frost zum Opfer gefallen sein.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01640302
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  • 2
    Electronic Resource
    Electronic Resource
    Preface (1988)
    Springer
    The European physical journal 38 (1988), S. 1-1 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01574508
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  • 3
    Electronic Resource
    Electronic Resource
    Thermogenic effects of thyrotrophin-releasing hormone and its analogues in the rat (1988)
    Springer
    Cellular and molecular life sciences 44 (1988), S. 40-42 
    Details
    ISSN: 1420-9071
    Keywords: TRH ; TRH analogues ; thermogenesis ; brown adipose tissue
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Acute or chronic injection of RX 77368 (a TRH analogue; 1 mg/kg s.c.) stimulated oxygen consumption (VO2) and brown adipose tissue activity in the rat, and decreased weight gain Other TRH analogues (CG 3509, RGH 2202) and TRH itself also stimulated VO2. These thermogenic actions are probably mediated centrally by stimulation of sympathetic outflow to brown fat.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01960238
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  • 4
    Electronic Resource
    Electronic Resource
    A note on rings having only a finite number of cyclic indecomposable modules (1986)
    Springer
    Archiv der Mathematik 47 (1986), S. 408-409 
    Details
    ISSN: 1420-8938
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01189979
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  • 5
    Electronic Resource
    Electronic Resource
    Die Bedeutung der Zitatenanalyse für die Wissenschaftsforschung (1985)
    Springer
    Journal for general philosophy of science 16 (1985), S. 304-314 
    Details
    ISSN: 1572-8587
    Source: Springer Online Journal Archives 1860-2000
    Topics: Philosophy , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Summary The method of citation analysis has been elaborated by E. Garfield for the purpose of documentation of scientific literature. The data accumulated in “Citation Indices” can also be used as an empirical basis for certain investigations in the field of science of science. Techniques of citation analysis (e.g. the calculation of citation rates or the co-citation-analysis) permit measurements of information activities of scientists. We refuse overdrawn interpretations of the results of citation analyses, for instance the indication of “scientific quality” or of “thematico-technical relations between ideas, problems etc.”.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01803677
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  • 6
    Electronic Resource
    Electronic Resource
    Radioactivity in air, rain, soil, plants and food after the Czernobyl incident (1986)
    Springer
    Naturwissenschaften 73 (1986), S. 495-498 
    Details
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00367195
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  • 7
    Electronic Resource
    Electronic Resource
    Molecular analysis of mitochondrial DNA from tomato cell suspension cultures (1986)
    Springer
    Current genetics 10 (1986), S. 785-790 
    Details
    ISSN: 1432-0983
    Keywords: Plant mitochondrial DNA ; Restriction enzyme analysis ; rRNA genes ; Tomato cell suspension cultures
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Mitochondrial DNA (mtDNA) from Lycopersicon esculentum was purified from cell suspension cultures. The DNA, isolated from mitochondria purified by two successive sucrose density gradients, was uncontaminated with nuclear DNA or DNA from proplastids. The total molecular weights of BamHI, BglI, and BglII fragments indicate a mitochondrial genome size of at least 270 kb. Cross hybridization between tomato mtDNA and cloned spinach plastid genes revealed some homology. In hybridization experiments using cloned mitochondrial rRNA genes and BamHI digested total mtDNA the presence of recombination repeats is demonstrated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00405102
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  • 8
    Electronic Resource
    Electronic Resource
    Some developments in microchemical and general apparatus (1953)
    Springer
    Microchimica acta 41 (1953), S. 89-118 
    Details
    ISSN: 1436-5073
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Es werden etwa 70 mikrochemische und andere Apparate beschrieben, die in den vergangenen 10 Jahren entwickelt wurden. Es handelt sich hierbei um Geräte zum Rühren u. dgl., Einrichtungen für die anorganische qualitative Analyse, Apparate für organische Zwecke, für elektrochemische und volumetrische Verfahren und für verschiedene andere Bedürfnisse.
    Abstract: Résumé On décrit environ 70 articles relatifs à l'appareillage microchimique et général mis au point pendant les 10 dernières années. L'appareillage est classé en 6 sections, c'est-à-dire, dispositifs pour l'agitation et ce qui s'y rapporte, pour l'analyse qualitative minérale, l'appareillage organique, les techniques électrochimiques, l'appareillage pour Volumétrie et des dispositifs variés.
    Notes: Summary About 70 pieces of microchemical and general apparatus developed during the past 10 years are described. The apparatus is classified in 6 sections, viz. stirring and allied devices, equipment for inorganic qualitative analysis, organic apparatus, electrochemical techniques, volumetric apparatus, and miscellaneous devices.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01215771
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  • 9
    Electronic Resource
    Electronic Resource
    An arithmetic unit for automatic digital computers (1954)
    Springer
    Zeitschrift für angewandte Mathematik und Physik 5 (1954), S. 168-172 
    Details
    ISSN: 1420-9039
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Zusammenfassung Für eine programmgesteuerte Rechenmaschine mit einer magnetischen Trommel als Speicher wird ein für den allgemeinen Gebrauch geeignetes Verzeichnis der arithmetischen Befehle gegeben und der logische Aufbau des Rechenwerks beschrieben. Vorgesehen ist das Rechnen sowohl mit gleitendem Komma (Zahlen der Forma·10 b ) als mit festem Komma, was das automatische Berechnen von Rechenplänen sowie das Rechnen mit verdoppelter Stellenzahl gestattet.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01600776
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  • 10
    Electronic Resource
    Electronic Resource
    Seasonal allocation of dry mass and nitrogen in a fynbos endemic Restionaceae species Thamnochortus punctatus Pill. (1987)
    Springer
    Oecologia 72 (1987), S. 315-320 
    Details
    ISSN: 1432-1939
    Keywords: Allocation patterns ; Restionaceae ; Nitrogen ; Dry mass ; Fynbos
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The annual growth pattern of male plants of the endemic, dioecious fynbos species, Thamnochortus punctatus, revealed sequential growth of the various below-and above-ground organs. Root and rhizome development were favoured in the wet winter months while culm elongation occurred in the warmer but drier spring to summer period. The reproductive phase of development followed in the hot dry summer and autumn. The asynchronous pattern of growth is suggested to enable the plant to maximize utilization of scarce resources within the confines of the environmental controls determined by the mediterranean-climate. Maximum root and rhizome activity in the rainy season enabled the plant to absorb and store nitrogen in mature culms for later above ground organ development. As the absorption of nitrogen from senscing material is essential for this pattern of organ development to assist in alleviating nutrient scarcity the high degree of nitrogen reabsorption, 35 to 70% for branches and culms respectively, shows the potential importance of asynchronous organ growth in overcoming nitrogen limitation of plant growth. Comparisons of dry mass and nitrogen allocation patterns indicate that developmental strategies employed by evergreen, perennial plants in climatically and edaphically constrained environments cannot be deduced from biomass allocation patterns alone as they do not appear to reflect strategies evolved to overcome nutrient limitation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00379284
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