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  • Wiley  (36)
  • Springer  (28)
  • Cambridge University Press  (6)
  • 1965-1969  (70)
  • 1968  (43)
  • 1966  (27)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Chromosoma 19 (1966), S. 126-136 
    ISSN: 1432-0886
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The salivary gland chromosome map of Anopheles hectoris is described and figured. It is proposed that this map be considered the standard for this species. The hectoris chromosomes show a close relationship to those of Anopheles pseudopunctipennis pseudopunctipennis.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Cambridge : Cambridge University Press
    The @journal of modern African studies 4 (1966), S. 367-369 
    ISSN: 0022-278X
    Source: Cambridge Journals Digital Archives
    Topics: Ethnic Sciences , History , Political Science , Economics
    Notes: It is supposed that most readers of The Journal of Modern African Studies know something of A.M.S.A.C., its origins, and the programmatic implementation of its purposes; if not, then certainly of its existence. Accordingly, only a summary recapitulation of the Society's history of origin will be made here.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 24 (1968), S. 730-731 
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Résumé La culture sur un substrat à l'acide humique incorporé dans de la gelose a provoqué la formation de sporanges dans 5 colonies d'Actinoplanaceae (Actinomycetales) isolées, dont 2, soumises à quelques autres traitements, étaient restées stériles. Des acides humiques de provenances différentes (terrestre, marginale et aquatique) ont montré divers degrés d'efficacité.
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Mathematische Zeitschrift 104 (1968), S. 231-246 
    ISSN: 1432-1823
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Mathematische Zeitschrift 104 (1968), S. 252-256 
    ISSN: 1432-1823
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Planta 83 (1968), S. 390-392 
    ISSN: 1432-2048
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Entomologia experimentalis et applicata 11 (1968), S. 464-469 
    ISSN: 1570-7458
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Zusammenfassung Benzol-Rohextrakte von 6 Nicht-Wirtsbäumen riefen allein bei erwachsenen Scolytus multistriatus (Marsh.) keine Fraßreaktionen hervor. Wurden sie zu gleichen Teilen mit einem stimulierenden Extrakt von Ulmus americanus L. kombiniert, so setzten alle Rohextrakte aus Nicht-Wirten die Fraßmenge herab, die sonst auftritt. Wenigstens zwei der Nicht-Wirte (Populus deltoides Bartr. und Aesculus octandra Marsh.) enthielten auf kurze Entfernung wirkende positive Reize, aber ihr Einfluß auf eine positive Reaktion des Insekts wurde bei den meisten Behandlungen durch Verbindung mit abweisenden (deterrent) Stoffen verhindert. So spielen bei der Auslösung der Ablehnung von Rohextrakten der Nicht-Wirte durch die Käfer Deterrent- und Repellent-Reize die Hauptrolle.
    Notes: Abstract Crude benzene extracts of 6 non-host trees alone did not stimulate feeding responses by adults of Scolytus multistriatus (Marsh.). When combined equally with a stimulatory extract from Ulmus americana L., all of the crude non-host extracts reduced the amount of feeding which otherwise occurred. At least two of the non-hosts (Populus deltoides Bartr. and Aesculus octandra Marsh) contained positive short-range orientational stimuli, but their induction of a positive response by the insect was prevented in most treatments by associated deterrent chemicals. Thus, stimuli (deterrents and repellents) played the dominant role in eliciting the rejection of crude non-host extracts by the beetles.
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Journal of materials science 3 (1968), S. 412-423 
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract In order to make use of the available strength of strong fibres, the metal matrix of a composite will have to undergo plastic deformation. The effect that this will have on the fatigue behaviour and damping capacity is discussed, with reference to aluminium reinforced with silica fibres and with stainless steel wires.
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    International journal of fracture 2 (1966), S. 576-596 
    ISSN: 1573-2673
    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: Résumé On étudie un plan orthotrope elastique affaible par une serie des éprouvés paralleles et demiinfinies. Le fluage plastique dans le sens de Dugdale et la fracture fragíle d'après Barenblatt sont étudiés dans le voisinage de 1' extrémité d' une fissure. La transformation de Fourier a étè appliquée directement pour établir 1'équation de Wiener-Hopf de ce problem. La factorisation du noyeau et quelques autres calculs ont éfè achevées pour une classe dense des constantes élastiques, et des resultats asymptotiques ont étè derivés pour les autres constantes. Les solutions montrent les character istiques suivantes compatibles avec des experiences: 1) Dansle cas d' un matériel ductile, si le chargement est suffisament grand,la région plastique subit un accroissement par saur. 2) Pour un matérial fragile le chargement critique est inversement proportionel á la racine carrée de la distance entre les fentes.
    Abstract: Zusammenfassung Die Umgebung des Endes einer von einer periodischen Reihe von parallelen undendlichen Spalten in einer orthotropen elastischen Scheibe, die einem Zug unterworfen wind, wurde untersucht nach dem Modell von Dugdale für ein duktiles Material and nach dem Modell von Barenblatt für ein sprödes Material. Die Anwendung der Fouriertransformierten führt auf die Wiener-Hopfsche Gleichung des Problems. Die Faktorizierung des Wiener-Hopfschen Kerns und einige andere Zwischenrechnungen können für eine gewisse dichte Klasse elastischer Konstanten in geschlossener Form durchgefnhrt werden, and asymptotische Ergebnisse werden für allgemeine Konstanten abgeleitet. Die Lösungen hängen vom Abstand zwischen den Spalten ab and zeigen die folgenden Eigenschaften, die von Versuchen schon bekannt sind: 1) Bei höheren Beanspruchungen einer Scheibe aus duktilen Material wachst die Länge des Fliessgebiets sprungweise: 2) Je kleiner der Abstand zwischen den Schlitzen, desto grösser ist die kritische oder brucherzeugende Belastung einer geschlitzten Scheibe aus sprodem Stoff.
    Notes: Abstract Ductile yielding of the Dugdale type and brittle fracture in the Barenblatt sense are investigated for regions at the ends of a periodic array of semi-infinite parallel cracks in a stretched orthotropic sheet. Direct transform methods are used to obtain the Wiener-Hopf equation. Factorization of the kernel and several other steps of the analysis can be completed in closed form for a dense class of elastic constants, and asymptotic forms are derived for other cases. The solutions depend upon the finite spacing between cracks and have characteristics which have been observed in experiments: 1) At high load levels the yield zone of the ductile material grows in jumps; 2) For a brittle material the allowable load level increases as the speciman size decreases.
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Journal of materials science 1 (1966), S. 229-237 
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The reinforcement of metallic matrices with stronger, stiffer ceramic fibres is one approach which is currently being pursued in an effort to develop materials which will withstand the demanding conditions imposed by present-day engineering requirements. The gains in tensile strength which might be obtained by suitable combination of fibres and metal have been widely speculated upon [1] and, recently, experimental verification of some of these predictions has been obtained [2]. As yet, however, little attention has been directed towards assessing the limitations of such composite systems, isolating their causes and attempting to overcome them.
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