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  • 1980-1984
  • 1965-1969  (4)
  • 1930-1934
  • 1969  (4)
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  • 1980-1984
  • 1965-1969  (4)
  • 1930-1934
Year
  • 1
    Electronic Resource
    Electronic Resource
    Nomenclature of Organic Polymers (1969)
    s.l. : American Chemical Society
    Journal of chemical documentation 9 (1969), S. 232-234 
    Details
    ISSN: 1520-5142
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/c160035a012
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    VARIATION IN SUMMER DORMANCY AMONG COLLECTIONS OF PHALARIS TUBEROSA AT DAVIS, CALIFORNIA (1969)
    Oxford, UK : Blackwell Publishing Ltd
    Grass and forage science 24 (1969), S. 0 
    Details
    ISSN: 1365-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The summer-donnancy period among collections of Phalaris tuberosa L. from the eastern Mediterranean region when grown at Davis, California, ranged from 30 to 127 days. Plants from the more arid sites of origin tended to exhibit the longer dormancy. There were exceptions, however, and these, together with the diversity of behaviour in this material, suggest that genotypes with a potential for increased summer growth may be selected for use on rangelands.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2494.1969.tb01058.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Do Faster-than-Light Group Velocities imply Violation of Causality? (1969)
    [s.l.] : Nature Publishing Group
    Nature 223 (1969), S. 597-597 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Feinberg1, discussing Klein-Gordon particles of imaginary mass (tachyons), has an argument purporting to show that no causality violation is observable. His argument is incomplete, because the "events" which he considers are the emission or absorption of single tachyons. It seems possible to ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/223597a0
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Soluble and total silicon in sugar cane (1969)
    Springer
    Plant and soil 30 (1969), S. 81-92 
    Details
    ISSN: 1573-5036
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The data presented throughout this paper indicate that soluble Si in plant tissues can give useful information about the Si-status of plants. In fact, this fraction of plant Si seems to be less subject to extraneous variation than does total Si. Silicon which can be extracted with dilute TCA is a discrete fraction. The amount extracted was little influenced by extraction time, amount of extractant, or number of extractions. The soluble-Si fraction was not stable before extraction. Concentration decreased with time. The rate of decrease was temperature related. Storage in a nitrogen atmosphere decreased Siimmobilization. Total and soluble Si were higher in sugar cane leaf sheaths than leaf blades. Total Si was much higher in leaf sheaths and blades than in the internodal tissue. Soluble Si was highest in the least mature tissues; whereas total Si was highest in the recently mature tissue. Once a cane leaf is mature, there seems to be little change in total Si with time. Evidently Si-deposition in sugar cane is associated with growth. Total Si of leaf blades was more responsive to slag applications than was total Si of leaf sheaths. The reverse was true for soluble Si. The mature stalk tended to be the most responsive tissue in relative terms. Both soluble and total Si reflect differences in soil and irrigation water Si. Total Si in the plant was apparently depressed by stress associated with ripening. When silica deposition was depressed, soluble silicon accumulated in the tissue if there was adequate available Si in the soil.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01885263
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    Paper (German National Licenses)
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