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  • 1985-1989  (5)
  • 1
    Electronic Resource
    Electronic Resource
    Active Crystalline Principles from Heracleum brunonis (1987)
    s.l. : American Chemical Society
    Journal of natural products 50 (1987), S. 997-998 
    Details
    ISSN: 1520-6025
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/np50053a050
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Furanocoumarins of Heracleum brunonis (1986)
    s.l. : American Chemical Society
    Journal of natural products 49 (1986), S. 1139-1140 
    Details
    ISSN: 1520-6025
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/np50048a034
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Inheritance of resistance to the cowpea aphid in cowpea (1987)
    Springer
    Theoretical and applied genetics 74 (1987), S. 817-819 
    Details
    ISSN: 1432-2242
    Keywords: Aphis craccivora Koch ; Resistance genetics ; Insect resistance ; Vigna unguiculata (L.) Walp
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Inheritance of resistance to cowpea aphid, Aphis craccivora Koch, in three resistant cultivars of cowpea, Vigna unguiculata (L.) Walp, was studied. The parents, F1 and F2 population were grown in an insect-proof screenhouse. Each 3-day-old seedling was infested with 10 apterous adult aphids. Seedling reaction was recorded when the susceptible check was killed. The segregation data revealed that the resistance of ICV11 and TVU310 is governed by single dominant genes. All the F2 seedlings of the cross ICV10xTVU310 were resistant, indicating that they have the same gene for resistance. However, the F2 populations from the crosses ICV10xICV11 and ICV11xTVU310 segregated in a ratio of 15∶1, indicating that the dominant genes in ICV11 and TVU310 are non-allelic and independent of each other. The resistance gene of ICV10 and TVU310 is designated as Ac1 and that of ICV11 as Ac2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00247562
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Suitability of ion pump for evacuation of a closed He cycled Mössbauer cryostat (1988)
    Springer
    Hyperfine interactions 42 (1988), S. 1153-1156 
    Details
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract For Mössbauer studies at very low temperatures, the target holder kept at 11°K with the help of a closed He cycle Mössbauer shroud, has to be insulated by evacuating the outside enclosure surrounding the shroud. The target is kept in thermal contact with the cryostat cold finger through He gas at atmospheric pressure. This provides a vibrationless thermal contact between the two. The evacuation of the outside chamber has to be vibration free which can be accomplished by means of a suitable ion pump which is totally vibration free. However, use of Vac-ion pump here could not be made successful because the pump did not work at all after little pumping. To find out the cause of pump's failure, RGA was employed which showed the presence of He gas in the outside chamber at the time of purging of He gas in the internal chamber. The pump, however, worked efficiently again when the dry N2 gas purged in place of Helium. This points out that totally vibration free Vac-ion pumps cannot be used for evacuation of such cryostats. Here, diffusion pump was used subsequantly taking extra precautions to minimise the vibrations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02395595
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    A generalization ofH μ-spaces and Hankel transforms (1986)
    Springer
    Analysis mathematica 12 (1986), S. 129-142 
    Details
    ISSN: 1588-273X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract Вводятся два простра нства тест-функцийH μ,M,a иH μ,b Ω . Изучаются их счетные объеди-нения — пространстваH μ,M иH μ Ω . Р ассматриваются топологические и алг ебраические свойства этих простр анств. Доказано, что преобразование Ганк еляH μ,μ≧−1/2, является изоморфизмом изH μ,H,a наH μ Ω,1/a и и изH μ,M наH μ Ω . Строится операционное исчисл ение, которое применяется для решения одной обо бщенной граничной задачи.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02027297
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    Paper (German National Licenses)
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