Showing 63,841 - 63,860 results of 72,589 for search '"time"', query time: 0.25s Refine Results
  1. 63841
  2. 63842
    Published in 2012
    Repositorio Universidad Nacional de Colombia

    ... according to ELISA test and to Cryptosporidium sp, by Ziehl Neelsen technic had 2.6 and 7.0 times higher...
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  3. 63843
  4. 63844
  5. 63845
    Published in 2009
    Repositorio Universidad Nacional de Colombia

    .... The project assesses the performance of the operating system and powered semi hydraulic retention times (HRT...
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  6. 63846
  7. 63847
    Article of journal
    Repositorio Universidad Nacional de Colombia

    ... concentrations (10%), short exposure times (10 minutes) and at low temperature (20°C), acid treatment (HCl...
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  8. 63848
    Published in 2011
    Repositorio Universidad Nacional de Colombia

    ... enterprises to apply efficient methods and procedures to reduce times for the introduction of new products...
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  9. 63849
  10. 63850
  11. 63851
  12. 63852
  13. 63853
  14. 63854
  15. 63855
    Published in 2011
    Repositorio Universidad Nacional de Colombia

    .... The reversed phase HPLC analysis showed compounds with retention times in the elution region of aromatic...
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  16. 63856
  17. 63857
    Published in 2008
    Repositorio Universidad Nacional de Colombia

    ... times the activity of the free enzyme. This biocatalytic system was proven qualitatively...
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  18. 63858
  19. 63859
  20. 63860