يعرض 461 - 480 نتائج من 600 نتيجة بحث عن '(( 25 a decrease ) OR ( 5 ((((nn decrease) OR (greater decrease))) OR (mean decrease)) ))', وقت الاستعلام: 0.16s تنقيح النتائج
  1. 461
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    Modified zno nanoparticles using iron ions (Fe3+) for photo-catalytic degradation of toxic pollutants under sunlight حسب Ba-Abbad, Muneer M.

    منشور في 2019
    "…As the Fe3+ concentration increased from 0.25 to 1.00 wt. %, the crystal size decreased in comparison with the undoped ZnO. …"
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  7. 467
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    Impact of COVID-19 lockdown on smoking (waterpipe and cigarette) and participants' BMI across various sociodemographic groups in Arab countries in the Mediterranean Region حسب Al Sabbah, Haleama

    منشور في 2022
    "…METHODS: The data were derived from a large-scale retrospective cross-sectional study using a validated online international survey from 38 countries (n=37207) conducted between 17 April and 25 June 2020. …"
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  16. 476

    Variations in the temperature sensitivity of spring leaf phenology from 1978 to 2014 in Mudanjiang, China حسب Dai J.

    منشور في 2019
    "…The moving window analysis revealed that 75% of species displayed increasing ST of LUD, with 55% showing significant increases (P < 0.05). ST for the other 25% exhibited a decreasing trend, with 17% showing significant decreases (P < 0.05). …"
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  17. 477
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    The influence of different preparation methods on the erosion behavior of NiP-ZrO2 nanocomposite coating حسب Sliem, Mostafa H.

    منشور في 2023
    "…The pulse-electrodeposition was the most suitable technique with a hardness value of 653HV25. The erosion behavior for the different NiP-ZrO2 coatings was investigated based on erosion duration, particles velocity, and impact angle. …"
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  20. 480