يعرض 621 - 640 نتائج من 706 نتيجة بحث عن '(( 50 ((per decrease) OR (((mean decrease) OR (a decrease)))) ) OR ( 2 e decrease ))', وقت الاستعلام: 0.16s تنقيح النتائج
  1. 621
  2. 622
  3. 623
  4. 624
  5. 625

    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. …"
    احصل على النص الكامل
  6. 626
  7. 627

    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. …"
    احصل على النص الكامل
    احصل على النص الكامل
  8. 628
  9. 629

    Kappa-Distributed Electrons in Solar Outflows: Beam-Plasma Instabilities and Radio Emissions حسب Lazar, M.

    منشور في 2023
    "…However, the EM emissions around the second harmonic (ω≲2ωpe ) are markedly powered by two symmetric countermoving beams, even in the presence of Kappa electrons. …"
    احصل على النص الكامل
    احصل على النص الكامل
    احصل على النص الكامل
  10. 630

    Prevention of gallium arsenide photocorrosion by an epoxy adhesion layer حسب Alqaradawi, Siham Y.

    منشور في 2004
    "…Coating of gallium arsenide with an adhesion layer of commercial epoxy prevented its photocorrosion. A two-component room temperature curing adhesive paste (Araldite 2014) has been selected. …"
    احصل على النص الكامل
    احصل على النص الكامل
    احصل على النص الكامل
  11. 631

    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. …"
    احصل على النص الكامل
    احصل على النص الكامل
    احصل على النص الكامل
  12. 632

    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. …"
    احصل على النص الكامل
    احصل على النص الكامل
  13. 633

    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. …"
    احصل على النص الكامل
    احصل على النص الكامل
  14. 634

    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. …"
    احصل على النص الكامل
    احصل على النص الكامل
  15. 635
  16. 636
  17. 637
  18. 638
  19. 639
  20. 640

    Cyclic voltammetry and XPS studies of poly (aniline-co-3-aminophenol) حسب Waware, Umesh Somaji

    منشور في 2022
    "…In the electrochemical study, the copolymers differ from PA in the single-electron oxidation and reduction, reversibly at various scan rates ranging from 20 to 50 mV. The current density decreases from PA-co-3-AP20 to PA-co-3-AP80 by increasing the loading weight percentage of 3-aminophenol in the polymeric backbone. …"
    احصل على النص الكامل
    احصل على النص الكامل
    احصل على النص الكامل