يعرض 581 - 600 نتائج من 1,836 نتيجة بحث عن '(( 50 ((nn decrease) OR (a decrease)) ) OR ((( 10 10 decrease ) OR ( a stem decrease ))))*', وقت الاستعلام: 0.16s تنقيح النتائج
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    Influence of nitrogen doping on the electrocatalytic activity of Ni-incorporated carbon nanofibers toward urea oxidation حسب Barakat, Nasser A.M.

    منشور في 2017
    "…Typically, the observed current densities using 1.0 M urea (in 1 M KOH) were 3.15, 29.7, 13.75, 47.55, 14.13 and 9.85 mA/cm2 for the nanofibers obtained from electrospun solutions having 0, 1, 2, 5, 7 and 9 wt% urea, respectively. …"
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