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  • 13A15  (1)
  • Analytical Chemistry and Spectroscopy  (1)
  • Chenopodium quinona  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Dilworth's principal elements (1996)
    Springer
    Algebra universalis 36 (1996), S. 392-404 
    Details
    ISSN: 1420-8911
    Keywords: 06F10 ; 06F99 ; 13A15 ; multiplicative lattices ; Noether lattice ; principal element
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract Principal elements were introduced in multiplicative lattices by R. P. Dilworth, following an earlier but less successful attempt in the joint work of Ward and Dilworth. As suggested by their name, principal elements are the analogue in multiplicative lattices of principal ideals in (commutative) rings. Principal elements are the cornerstone on which the theory of multiplicative lattices and abstract ideal theory now largely rests. In this paper, we obtain some new results regarding principal elements and extend some others. In addition, we try to convey what is known and what is not known about the subject. We conclude with a fairly extensive (but likely not exhaustive) bibliography on principal elements.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01236764
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Influence of simazine on formation of vesicular-arbuscular mycorrhizae inChenopodium quinona Willd (1982)
    Springer
    Plant and soil 64 (1982), S. 283-287 
    Details
    ISSN: 1573-5036
    Keywords: Chenopodium quinona ; Glomus deserticola ; Root exudation ; Simazine ; Vesiculararbuscular mycorrhiza
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Low levels of vesicular-arbuscular mycorrhiza formation were found in a normally nonmycorrhizal species,Chenopodium quinona, when sprayed with sublethal doses of simazine. Application of simazine also increased exudation of sugars and amino acids from roots. It is suggested that this increase in root exudation is responsible for the unusual formation of mycorrhizae in this species.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02184263
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Analysis time in conventional and continuous development thin-layer chromatography (1986)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 9 (1986), S. 285-288 
    Details
    ISSN: 0935-6304
    Keywords: Thin-layer chromatography ; Continuous development ; ΔRf ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Equations for predicting analysis time in thin-layer chromatography as a function of spot separation, solvent velocity constant, ΔRf and Rf, are presented and discussed.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240090507
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    Paper (German National Licenses)
    Fulltext
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