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  • 1965-1969  (5)
  • 1
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    Unknown
    Berlin : Periodicals Archive Online (PAO)
    Orientalistische Literaturzeitung. 60:11/12 (1965:Nov./Dez.) 584 
    ISSN: 0030-5383
    Topics: Linguistics and Literary Studies , Ethnic Sciences , History
    Notes: Besprechungen
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Naturwissenschaften 53 (1966), S. 475-475 
    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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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Naturwissenschaften 56 (1969), S. 35-35 
    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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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Genetica 36 (1965), S. 83-104 
    ISSN: 1573-6857
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract In order to determine whether chromosomal inversion polymorphism inDrosophila subobscura is stable or varies from season to season, samples from selected sites were taken and analyzed at regular intervals. In 1960 the descendants of 749 females from samples collected at four sites in five months were examined. In 1963 and 1964, samples weretaken from only two sites at three seasons (spring, summer, autumn). Each of the twelve samples totalled 60 males which were then individually crossed with females from the “Küsnacht” stock, homozygous for the standard sequences. Eight descendant larvae from each cross were analyzed. Samples were judged according to the following criteria: a) Occurrence and frequencies of gene arrangements; b) Occurrence and frequencies of hetero- and homokaryotypes for each chromosome; c) distribution pattern of polymorphism over the entire set of chromosomes (shown in diagram of heterokaryotypes). Our results show that between samples from 1963 and 1964 there are yearly, seasonal and local differences in karyotype. The starting frequency of heterokaryotypes in the spring of one year differed from that of the next. Both frequencies increased from spring to autumn. At the same time the standard sequences which appear more frequently on each chromosome than any other gene arrangement, decrease during the summer in favour of other arrangements. In our 1960 material we found that karyotypes differed from locality to locality. These differences, however, were only statistically significant in a few cases. Furthermore, these figures show a less regular fluctuation than those of the other two years. The varying results for the first year and the second two may be due to differences in the size of our samples; further to secondary effects brought about by the use of different methods, and possibly to actual differences in the sampled populations.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 367 (1969), S. 281-288 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The system ZnO—B2O3 has been investigated by means of crystal chemical methods in the region of the ZnO-rich phase. From the melt near 1100°C the ZnO-richest phase 3ZnO · B2O3 crystallises. Powder diagrams and optical constants are identical with those in the previous literature, although often the ZnO-richest phase was described as 3ZnO · B2O3. From x-ray data follows the space group Ic or I2/c. The lattice parameters are: a0 = 23.52, b0 = 5.08, c0 = 8.44 Å; β = 97° 44′.
    Notes: Das System ZnO—B2O3 ist im Bereich der ZnO-reichen Phase kristallchemisch untersucht worden. Aus der Schmelze bei ∼1100°C kristallisiert als ZnO-reichste Phase das 3 ZnO · B2O3. Pulverdiagramme und optische Konstanten ergeben Übereinstimmung mit Literaturangaben, obwohl diese z. T. als 3 ZnO · B2O3 ausgewiesen werden. Aus Röntgeneinkristalluntersuchungen wurde die Raumgruppe Ic oder I2/c ermittelt. Die Gitterkonstanten sind: a0 = 23,52 Å, b0 = 5,08 Å, c0 = 8,44 Å, β = 97° 44′.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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