يعرض 321 - 340 نتائج من 409 نتيجة بحث عن '(( 50 ((na decrease) OR (mean decrease)) ) OR ( 50 ((peter decrease) OR (a decrease)) ))', وقت الاستعلام: 0.21s تنقيح النتائج
  1. 321
  2. 322

    Allelopathic effects of the invasive Prosopis juliflora (sw.) Dc. On seed germination of selected Qatari native plant species حسب Bibi, Shazia

    منشور في 2016
    "…In order to achieve the goals, aqueous extract of P. juliflora was made by immersing 100 g/l of powdered parts of plant in warm distilled water (∼50°C) for 24 hours with regular mixing. Whatman filter paper was used to filter the obtained brownish solution. …"
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  3. 323
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    Electrochemical oxidation of ammonia (NH4+/NH3) ON synthesized nickel-cobalt oxide catalyst حسب Almomani F.

    منشور في 2021
    "…The reported Pgen were 0.55, 0.85, 1.1 and 0.0.93 mW/cm2 for Ni–C, Co10/Ni–C, Co20/Ni–C and Co40/Ni–C. A concentration of Co higher than 40% decreased cell potential (Vcell) and reduced the percentage removal of ammonia (%REAmm). …"
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    Effect of hypoxia on metabolic markers and gene expression HIF-1 α in adipocytes حسب Younes, Noura B.

    منشور في 2015
    "…Results: Under hypoxia conditions, DHA treatment resulted in significant changes in all critical parameters of adipocyte biology including HIF-1α RNA expression (decreased by 50%), decreased lactate and glycerol release (66% and 25% respectively), and reactive oxygen species (ROS) production (decreased by 15%), while glucose uptake was decreased by 25% accompnied by decreased secretion of pro-inflammatory markers (Interleukin 6 IL-6, 31% reduction) , macrophage chemoattractant protein 1 MCP-1 (38% reduction) and leptin (14% reduction), and increased adiponectin secretion (by 45%). …"
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  8. 328

    An evidence base for school health policy during the covid-19 pandemic حسب Badran, S.

    منشور في 2021
    "…Further data suggested decreased childhood transmission from respiratory droplets and a low viral load among children. …"
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  9. 329

    The Visibility of Disabilities within Pharmacy Program Recruitment Material. حسب Hussain, Farhat Naz

    منشور في 2020
    "…Targeted recruitment of students with disabilities is a novel area in pharmacy education and may help to attract qualified students in light of decreasing applicant numbers. …"
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  10. 330
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  12. 332

    Structural and magnetic properties of Ni1-xZnxFe 2O4 (x=0, 0.5 and 1) nanopowders prepared by sol-gel method حسب Gao P.

    منشور في 2013
    "…A series of nanostructured Ni-Zn ferrites Ni1-xZn xFe2O4 (x=0, 0.5 and 1) with a grain size from 24 to 65 nm have been prepared with a sol-gel method. …"
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  13. 333
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  15. 335

    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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  16. 336
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  19. 339

    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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  20. 340

    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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