Showing 621 - 640 results of 707 for search '(( 50 ((((mg decrease) OR (nn decrease))) OR (a decrease)) ) OR ( 2 e decrease ))', query time: 0.21s Refine Results
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    Synthesis of silica supported ni and cu catalyst for carbon dioxide methanation reaction by Aheed, Ahmed

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

    Published 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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  7. 627

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

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

    Published 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. …”
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  10. 630

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

    Published 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. …”
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  11. 631

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

    Published 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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  12. 632

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

    Published 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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  13. 633

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

    Published 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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  14. 634

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

    Published 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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    Vertical zonation and functional diversity of fish assemblages revealed by ROV videos at oil platforms in The Gulf by Ben-Hamadou, Radhouan

    Published 2018
    “…Several trends were found in the vertical distribution of the fish community, most species were observed between 20 and 50 m depth and higher fish abundance recorded in the upper layers, down to 40 m depth and decreasing with depth. …”
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  19. 639

    Assessment of climate change pattern in the Pauri Garhwal of the Western Himalayan Region: based on climate parameters and perceptions of forest-dependent communities by Jha, Shashidhar Kumar

    Published 2020
    “…Percentage cloud cover showed an increase, of approximately 3%, while diurnal temperature displayed decreasing trends. Rainfall in the district showed a decreasing trend, with more than 50% of years 1985–2015 receiving less rainfall than the annual average. …”
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