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  • 1985-1989  (3)
  • 1987  (3)
  • Blue-green algae  (1)
  • E=35.4 MeV  (1)
  • Inhibitory activity  (1)
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Material
Years
  • 1985-1989  (3)
Year
  • 1987  (3)
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Nitrogen fixation and balance studies of rice soil (1987)
    Springer
    Biology and fertility of soils 4 (1987), S. 15-19 
    Details
    ISSN: 1432-0789
    Keywords: Nitrogen fixation ; N-balance studies ; Azolla ; Blue-green algae ; Chemical N fertilization ; Rice
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary A nitrogen balance study conducted in ceramic pots under net house conditions for four seasons showed that flooded rice soil leaves a positive nitrogen balance (N increase) in soil after rice cropping in both fertilized and unfertilized soil. Recovery of nitrogen from rice soil was more than its input in unfertilized soil, but it was reverse in fertilized soil. Incorporation of Azolla or BGA twice as basal and 20 days after transplanting (DAT) alone or in combination showed higher nitrogen balance and N2-fixation (N gain) in soil than in that where it was applied once either as basal or 20 DAT. Planted soil showed more N2-fixation than that of fallow rice, and flooded soil fixed more nitrogen in comparison to non-flooded soil in light but less in dark. Soil exposed to light fixed more nitrogen than that of unexposed soil in both flooded and non-flooded conditions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00280345
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Sodium is neither a risk nor a protective factor in urolithiasis? (1987)
    Springer
    Urological research 15 (1987), S. 105-108 
    Details
    ISSN: 1434-0879
    Keywords: Sodium ; Inhibitory activity ; Oxalates ; Phosphates ; Calcium ; Calculi
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary the effect of changes in urinary sodium, induced by dietary manipulation in normal subjects (NS) and in stone formers (SF) was studied by observing crytalluria qualitatively and by determining calcium, oxalate and phosphate crystallization quantitatively in an experimental model. In SF the calcium crystallization was significantly higher than in NS at all the three levels of urinary sodium studied. However, no difference was observed in oxalate and phosphate crystallization rates between these two groups. Calcium and oxalate (p〈 0.05) and oxalate and phosphate (p〈 0.001) were found to be correlated in NS but were non-significant in SF. The wide changes in the urinary sodium induced by dietary changes did not influence the crystallization rate of calcium, nor of oxalate and phosphate in NS as well as in SF. The results suggested that a sodium intake with lower and upper limits of 124 mg and 6,009 mg respectively did not act as “inhibitor” of crystallization rate nor did it induce hypercalciuria severe enough to pose a “risk” of stone formation. The results did not suggest that a high urinary sodium increases the solubility of calcium phosphate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00260942
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Isospin decomposition of 0+ → 2+ and 0+ → 3− transition matrix elements by Coulomb nuclear interference observed in inelastic α-scattering from the even Zr isotopes (1987)
    Springer
    The European physical journal 326 (1987), S. 455-461 
    Details
    ISSN: 1434-601X
    Keywords: 90,92,94,96Zr (α, α′) ; E=35.4 MeV ; measuredσ(Θ) of 2+ and 3− states ; deduced electromagnetic and isoscalar transition rates,M n /M p ratios ; 23.20.Js ; 25.55.Ci
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Coulomb-nuclear interference in inelastic scattering of 35.4 MeVα-particles from the stable even Zr isotopes was studied. In the framework of a collective DWBA analysis isoscalar and electromagnetic transition rates for low lying 2+ and 3− states were derived. The experimentalB (E2) values are in good agreement with results obtained by purely electromagnetic methods. The deducedM n /M p ratios of the 2 1 + levels exhibit a surprisingly large increase with increasing neutron number.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01289550
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    Paper (German National Licenses)
    Fulltext
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