يعرض 521 - 540 نتائج من 646 نتيجة بحث عن '(( 50 (((((peter OR per) decrease) OR (nn decrease))) OR (a decrease)) ) OR ( i d decrease ))', وقت الاستعلام: 0.19s تنقيح النتائج
  1. 521

    Combustion and emissions of a gas-to-liquid diesel engine utilizing optimized spiral-helical intake manifold designs حسب Abdellatif, Yasser M.

    منشور في 2021
    "…The results showed that the highest pressure and heat release were achieved by m(2.6,30,1t) with the diesel-GTL blend. In addition, the heat release rate decreases with the increase in the number of turns. …"
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  2. 522
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  5. 525

    Synthesis of silica supported ni and cu catalyst for carbon dioxide methanation reaction حسب Aheed, Ahmed

    منشور في 2019
    "…The activity and product selectivity and stability for methanation reaction on Ni/SiO2 and Cu/SiO2 catalysts have been evaluated using a flow reactor between 50ºC - 650ºC. The as-synthesized catalysts were characterized using XRD, SEM, TEM to understand the structural properties. …"
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  6. 526
  7. 527

    Fluid-Structure-Acoustic coupling analysis for external laminar and turbulent fluid flows حسب Tohid, Adibi

    منشور في 2023
    "…The results indicate that the transmission loss is 27% more at the elastic plate’s highest position. By decreasing the length of the elastic plate by 50%, the mean transmission loss is reduced by 9%. …"
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    article
  8. 528
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  10. 530

    A Note on Norland Summability of Fourier Series حسب Ali, Ziad Rushdi

    منشور في 1982
    "…F(n) = o (Pn) as n--+ oo, where (H(x) = d.x g(t) dt, g(t) is continuous, non-increasing, H(x) is slowly varying, and F(x) is positive non-decreasing. …"
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  11. 531

    Long-term performance analysis and power prediction of PV technology in the State of Qatar حسب Touati F.

    منشور في 2017
    "…Results show that due to panel dusting for eight months, the PV output power decreased by 50%. Also, owing to lower ambient temperatures, clearer sky and cleaner panels due to occasional rainfall, the PV panels show higher output power in Winter than in Summer season. …"
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  12. 532

    Development of an Air-Cooled Induction Manifold for Diesel Engines in Hot and Humid Climate حسب Elrentisy, Mohamed H.

    منشور في 2022
    "…For the emissions, there was a considerable reduction rate in NOx emissions with about 83% at 20 °C as well as a 50% reduction in hydrocarbon (HC) emissions compared with 45 °C. …"
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  13. 533

    Algal-algal bioflocculation enhances the recovery efficiency of Picochlorum sp. QUCCCM130 with low auto-settling capacity حسب Saadaoui, I.

    منشور في 2023
    "…QUCCCM31 and Tetraselmis sp. QUCCCM50 presenting a cell size of ∼2 μm, ∼5 μm, and ∼15 μm, respectively, were selected to be subjected to the harvesting optimisation experiments. …"
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  14. 534

    Selective adsorption of carbon dioxide, methane and nitrogen using resorcinol-formaldehyde-xerogel activated carbon حسب Awadallah, Ahmed

    منشور في 2017
    "…Adsorption/desorption isotherms of CO2, CH4, and N2 gases onto RF-ACX adsorbent were measured gravimetrically by a magnetic suspension microbalance at five different temperatures (20, 30, 40, 50 and 60 °C) in the pressure range of 0–1 MPa. …"
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  15. 535

    SAR and molecular mechanism studies of monoamine oxidase inhibition by selected chalcone analogs حسب Shalaby, Raed

    منشور في 2019
    "…The present study describes the synthesis of a series of 22 chalcone analogs. These compounds were evaluated as potential human MAO-A and MAO-B inhibitors. …"
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  16. 536
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  18. 538
  19. 539
  20. 540

    Intermediate ozonation to enhance biogas production in batch and continuous systems using animal dung and agricultural waste حسب Almomani, F.

    منشور في 2017
    "…Continuous AD with organic loading rate (OLR) of 4 kgVSm−1d1 showed a %ADefficiency of 62%, an average specific methane production in the range of 98–230 LkgVS−1 and a volumetric methane production rate in the range of 1.94–2.35 m3 m−3d1. …"
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