يعرض 821 - 840 نتائج من 1,774 نتيجة بحث عن '(( i na decrease ) OR ( 10 ((steel decrease) OR (((a decrease) OR (mean decrease)))) ))*', وقت الاستعلام: 0.16s تنقيح النتائج
  1. 821
  2. 822
  3. 823
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  11. 831
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  13. 833
  14. 834

    The Role of Key Impurity Elements on the Performance of Aluminium Electrolysis - Current Efficiency and Metal Quality حسب Al-Mejali, Jassim Ali

    منشور في 2015
    "…It is established in the literature that for every 100 ppm of phosphorus in the bath the current efficiency is decreased by 1%. The chemical and electrochemical behavior of phosphorus and silicon compounds in the Hall-Héroult process was studied. …"
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  15. 835
  16. 836
  17. 837
  18. 838
  19. 839

    Fabrication of Selective Sensors for Hg2+ Traces in Water Using Graphene Decorated with Metal Nanoclusters حسب Ayesh, Ahmad I.

    منشور في 2016
    "…The system consists of three main chambers (source, mass filter, and deposition chambers) that were pumped initially to a base pressure of 10-8 mbar using two turbo pumps. …"
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  20. 840