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  • 1995-1999  (3)
Materialart
Erscheinungszeitraum
Jahr
  • 1
    Digitale Medien
    Digitale Medien
    s.l. : American Chemical Society
    Chemistry of materials 7 (1995), S. 2241-2246 
    ISSN: 1520-5002
    Quelle: ACS Legacy Archives
    Thema: Chemie und Pharmazie , Maschinenbau
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    Journal of materials science 30 (1995), S. 4591-4597 
    ISSN: 1573-4803
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Maschinenbau
    Notizen: Abstract A series ofM-Zn-Al (M=Mg, Cu) double hydroxide phases with carbonate anion were prepared by coprecipitation of 333 K, from the corresponding nitrate solution and sodium carbonate aqueous solution at pH 10. The characterization and properties of the products were investigated. It seems that reactivity of aluminium ions into the host layer depends on the identity of coexistent divalent cations (magnesium or copper), and the thermal properties of this layer at relatively high temperatures also depend on the nature of divalent cations.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Springer
    Plant systematics and evolution 217 (1999), S. 299-311 
    ISSN: 1615-6110
    Schlagwort(e): Asteraceae ; Astereae ; Brachycome ; Australia ; chloroplast DNA ; matK ; fruit morphology ; chromosome number
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Intrageneric relationships in the genusBrachycome were investigated by the comparison of nucleotide sequences of the chloroplast genematK. Evolutionary trends of some morphological and cytological characters were estimated based on thematK tree. The results indicate thatBrachycome is divided into four major clades, and circumscription of superspecies based primarily on fruit morphology is not fully supported. Fruit morphology has evolved in parallel from simple to complex structures in several lineages. The ancestral basic chromosome number isx = 9, and lower chromosome numbers are the products of several dysploid reductions fromn = 9 in two of four major clades ofBrachycome.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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