يعرض 481 - 500 نتائج من 638 نتيجة بحث عن '(( 50 ((ms decrease) OR (a decrease)) ) OR ((( 27 10 decrease ) OR ( a step decrease ))))*', وقت الاستعلام: 0.16s تنقيح النتائج
  1. 481

    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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  2. 482
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  5. 485

    Prospects of Biocrude Production Potential from Local Diatom حسب Al-Namimi, Sara Mohammed

    منشور في 2020
    "…Centrifuged biomass was freeze-dried, and lipid, protein, carbohydrate, and ash were quantified as 12.3, 15.3, 44.3, and 27.8% respectively. Hydrothermal liquefaction (HTL) was conducted to convert Nitzchia reversa biomass to biocrude oil using 10-mL Swagelok union type reactors. …"
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  6. 486
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  10. 490

    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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  11. 491
  12. 492

    Fluctuations in cardiac stroke volume during rowing حسب Sejersen, Casper

    منشور في 2021
    "…Also, SV fluctuated markedly during the stroke with deviations being largest at the higher work rate. Thus, SV decreased by 27 ± 10% (31 ± 11 mL) at the beginning of the stroke and increased by 25 ± 9% (28 ± 10 mL) in the recovery (P =.013), while breathing was entrained with one breath during the drive of the stroke and one prior to the next stroke. …"
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  13. 493
  14. 494

    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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  15. 495

    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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  16. 496

    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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  17. 497
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  20. 500