يعرض 781 - 800 نتائج من 824 نتيجة بحث عن '(( 5 i decrease ) OR ( 10 ((meters decrease) OR (((nn decrease) OR (mean decrease)))) ))*', وقت الاستعلام: 0.18s تنقيح النتائج
  1. 781
  2. 782

    A MEASUREMENT CAMPAIGN TO INVESTIGATE THE EFFECT OF USING SOFT RAILPADS ON GROUND-BORNE VIBRATIONS FROM UNDERGROUND RAILWAYS حسب Alsharo, Anas

    منشور في 2023
    "…Insertion Gains were calculated from the acquired data, and the findings demonstrated that using the soft resilient railpads decreased the vibration level on the free surface by around 10 dB for the majority of frequencies in the range of 40-200 Hz.…"
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  3. 783

    Emerging clay-aryl-gold nanohybrids for efficient electrocatalytic proton reduction حسب Jlassi, Khouloud

    منشور في 2018
    "…Both nanohybrids showed efficient electrochemical activity for HER in acidic condition (0.1 M H2SO4) with high current density up to −25 mA.cm−2 at −1V and 0.148 mV onset. …"
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  4. 784
  5. 785
  6. 786

    Facile Electrochemical Synthesis of Highly Efficient Copper-Cobalt Oxide Nanostructures for Oxygen Evolution Reactions حسب Nath, Narayan Chandra Deb

    منشور في 2020
    "…An optimized nanopetal structure of CuxCo3-xO4 (x = 0.95, annealed at 200 °C) shows a considerably high Faradaic efficiency (∼93%) with a remarkably low overpotential (∼230 mV) at a benchmark current density (J) of 10 mA cm-2; at the same J in an alkaline solution (1 M KOH) for OER, it also exhibits high durability (up to 100 h). …"
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  7. 787
  8. 788
  9. 789

    Influence of changing casing groove parameters on the performance of centrifugal compressors near stall condition حسب Halawa, Taher

    منشور في 2016
    "…The casing grooves parameters considered are the groove cross section aspect ratio (the groove height to width ratio), groove location, and the number of grooves. Five groove aspect ratios were considered ranging from 0.2 to 1.8. …"
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  10. 790
  11. 791

    Concentrated Solar Power Plant for Key Locations in Doha Qatar حسب Elbeh, Mutaz Bargas

    منشور في 2017
    "…The suggested location of the CSP plant offers a site that is less than 10 km in distance from the targeted zones which means less transmission losses and transmission route cost. …"
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  12. 792

    Electrochemical oxidation of ammonia (NH4+/NH3) ON synthesized nickel-cobalt oxide catalyst حسب Almomani F.

    منشور في 2021
    "…The addition of Co to Ni–C enhanced ammonia oxidation reaction (AOR) by decreasing the oxidation peaks in the range of 0.23–0.56 V, increasing the reversible production of metal-hydroxides and generating power (Pgen) to sustain the reaction. …"
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  13. 793
  14. 794
  15. 795
  16. 796
  17. 797
  18. 798
  19. 799
  20. 800