يعرض 141 - 160 نتائج من 502 نتيجة بحث عن '(( 50 ((nn decrease) OR (a decrease)) ) OR ((( a systematic decrease ) OR ( 5 points decrease ))))*', وقت الاستعلام: 0.28s تنقيح النتائج
  1. 141

    Synthesis and characterization of Sm3+-doped ZnO nanoparticles via a sol–gel method and their photocatalytic application حسب Ba-Abbad, Muneer M.

    منشور في 2018
    "…The photocatalytic degradation of 2-chlorophenol was investigated under sunlight in presence of ZnO and samarium-doped ZnO nanoparticles. A higher performance of samarium-doped ZnO for photocatalytic degradation of 2-chlorophenol at 0.50 wt.% was observed, compared to pure ZnO nanoparticles under the same experimental conditions.…"
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  2. 142

    Optimization of performance and emission characteristics of CI engine fueled with Jatropha biodiesel produced using a heterogeneous catalyst (CaO) حسب Singh, A.

    منشور في 2020
    "…In present investigation has witnessed a significant decrease in HC emissions (14.29 percent) compared to diesel, and a slight increase in NOx emissions (1.98 percent) is also observed. …"
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  3. 143
  4. 144

    Solar-driven hydrogen production from a water-splitting cycle based on carbon-TiO2 nano-tubes حسب Almomani F.

    منشور في 2022
    "…The S-DPOH achieved a cumulative production of hydrogen (CPOH) during 50 h of solar irradiation of 43.75 mmol at a rate RPOH?…"
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  5. 145
  6. 146

    Study of diesel-biodiesel blends combustion and emission characteristics in a CI engine by adding nanoparticles of Mn (II) supramolecular complex حسب Elkelawy, M.

    منشور في 2020
    "…The supramolecular complex (SC1) [Mn(EIN)4(NCS)2] was synthesized and characterized as a new nanosized emulsion additive to improve the fuel incineration and emission formation behavior of a diesel-biodiesel blends-fueled CI engine. …"
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  7. 147
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  10. 150
  11. 151
  12. 152

    Improved properties of Al-Si3N4 nanocomposites fabricated through a microwave sintering and hot extrusion process حسب Matli, Penchal Reddy

    منشور في 2017
    "…In this study, nano-sized Si3N4 (0, 0.5, 1.0 and 1.5 vol%)/Al composites were fabricated using a powder metallurgy method involving microwave sintering technique followed by hot extrusion. …"
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  13. 153

    High-intensity exercise training does not influence body weight but improves lipid oxidation in obese adults: A 6-week RCT حسب Jabbour, Georges

    منشور في 2017
    "…The percentage of LO contribution was computed at rest and for all workloads (25, 50, 75, 100 and 125 W) in both groups before and after training via a graded maximal cycling test. …"
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  14. 154
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  16. 156

    Perspectives of clinical pharmacists on the provision of pharmaceutical care through telepharmacy services during COVID-19 pandemic in Qatar: A focus group حسب Alhmoud, Eman

    منشور في 2022
    "…Recruitment continued until a saturation point was achieved. Results We conducted five focus groups that included 23 CPs and led to seven themes. …"
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  17. 157
  18. 158

    RF-based drone detection and identification using deep learning approaches: An initiative towards a large open source drone database حسب Al-Sa'd, Mohammad F.

    منشور في 2019
    "…Three deep neural networks (DNN) are used to detect the presence of a drone, the presence of a drone and its type, and lastly, the presence of a drone, its type, and flight mode. …"
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  19. 159

    RF-based drone detection and identification using deep learning approaches: An initiative towards a large open source drone database حسب Al-Sa'd M.F.

    منشور في 2019
    "…Three deep neural networks (DNN) are used to detect the presence of a drone, the presence of a drone and its type, and lastly, the presence of a drone, its type, and flight mode. …"
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  20. 160