يعرض 521 - 540 نتائج من 611 نتيجة بحث عن '(( 50 ((mean decrease) OR (a decrease)) ) OR ((( 6 b decrease ) OR ( a step decrease ))))*', وقت الاستعلام: 0.16s تنقيح النتائج
  1. 521
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  3. 523

    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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  4. 524

    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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  5. 525
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  7. 527

    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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  8. 528
  9. 529
  10. 530
  11. 531
  12. 532
  13. 533
  14. 534

    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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  15. 535
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  17. 537
  18. 538
  19. 539
  20. 540

    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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