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  • 1985-1989  (4)
  • 1988  (4)
  • 25.55.-e  (1)
  • Azolla  (1)
  • Azolla pinnata  (1)
  • Compositae
  • Oxalates
  • 1
    Electronic Resource
    Electronic Resource
    Urinary biochemical profile of patients with ureteric calculi in Jodhpur region (north western India) (1988)
    Springer
    Urological research 16 (1988), S. 105-110 
    Details
    ISSN: 1434-0879
    Keywords: Ureteric stone formers ; Urine chemistry ; Oxalates ; Calcium ; Risk index ; Ion activity product
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Urine chemistry of 42 normal subjects (NS) and 59 ureteric stone formers (SF) from Jodhpur region of Rajasthan, India is presented. Twenty four hour urinary levels of calcium, oxalic acid and uromucoids were significantly higher and levels of magnesium, citric acid and inorganic phosphorus were significantly lower in SF as compared to NS. No significant difference was observed in the uric acid, sodium and potassium levels in the two groups. Significant correlation was observed between calcium and magnesium; calcium and oxalic acid; calcium and citric acid; magnesium and oxalic acid; and oxalic acid and citric acid in NS on the basis of mmol/l but not on the basis of mmol/24 h. Calcium and oxalic acid correlation was uninfluenced by magnesium and citric acid levels. The log of risk factor index (RI) was higher (p〈 0.001) in SF (−1.652) as compared to NS (−2.103). The log of ion activity product (IAP) was also higher (p〈 0.001) in SF (−3.192x10−3) than in NS (−2.914x10−1). Based on RI and IAP, a scale has been devised for the prediction of the risk of stone formation and recurrence.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00261966
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Symbiotic algal nitrogenase activity and heterocyst frequency in sevenAzolla species after phosphorus fertilization (1988)
    Springer
    Hydrobiologia 169 (1988), S. 313-318 
    Details
    ISSN: 1573-5117
    Keywords: Azolla ; symbiont ; Anabaena azollae ; heterocyst ; acetylene reducing activity ; phosphorus ; fertilization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Seven species ofAzolla (A. caroliniana, A. microphylla, A. nilotica, A. filiculoides, A. mexicana, A. rubra, A. pinnata the last from both Malaysia and India) grown in pots of flooded soil were subjected to three different treatments with respect to P: none, single application, split application. The experiments were carried out under greenhouse conditions. Heterocyst frequency inAnabaena azollae and acetylene reducing activity (ARA) were studied in successiveAzolla leaves. Both variables increased from the first leaf (shoot apex) to the last one (before branch) in all species in the presence or absence of P. However, heterocyst frequency, ARA andAzolla biomass were all less in the treatment lacking P. Heterocyst frequency inA. azollae, ARA and biomass ofAzolla were higher when P was applied in split doses than in the other treatments.Azolla plants exhibited more ARA than the isolated leaves.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00007554
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Effect of different nitrogen sources on growth, acetylene reduction activity ofAzolla pinnata and yield of rice (1988)
    Springer
    Plant and soil 107 (1988), S. 165-171 
    Details
    ISSN: 1573-5036
    Keywords: acetylene reduction activity ; Azolla pinnata ; fresh biomass ; N-sources ; N-uptake ; total crop
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract The effect of nitrogenous sources like ammonium sulphate (AS), prilled urea (U), urea super granule (USG) and farm yard manure (FYM) was studied on the fresh biomass (FB) and acetylene reduction activity (ARA) ofAzolla pinnata, R. Brown (Bangkok isolate), grown as a dual crop with rice, and rice yield in three successive seasons. Irrespective of the N-sources and seasons, the FB and ARA of Azolla were observed to be maximum on 14th day after Azolla inoculation (DAI). The different N-sources had significant effect on the ARA and to a lesser extent on the FB of Azolla. The treatment without fertilizer-N (control) exhibited highest ARA, FB and total N-content of Azolla. These were inhibited to a lesser extent by USG and FYM, though used at higher rates of 75 kg N ha−1 and 90 kgN ha−1 respectively, compared to that by AS and U, used at lower rates of 45kg N ha−1 each.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02370543
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Optical model analysis of90, 92, 94, 96Zr+4He elastic scattering at 35.4 MeV (1988)
    Springer
    The European physical journal 331 (1988), S. 309-313 
    Details
    ISSN: 1434-601X
    Keywords: 25.55.-e ; 25.55.Ci
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The elastic scattering data of 35.4 MeV alpha particles from Zr-isotopes have been analysed using the optical model. Both the phenomenological and the folding model potentials have been employed in fitting the data with the optical model. The resultant systematics. concerning the volume integrals and the root mean square radii are summarized.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01355602
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    Paper (German National Licenses)
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