يعرض 481 - 500 نتائج من 645 نتيجة بحث عن '(( 10 ((steer decrease) OR (((nn decrease) OR (mean decrease)))) ) OR ( 25 a decrease ))*', وقت الاستعلام: 0.14s تنقيح النتائج
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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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    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. 496
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  18. 498

    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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  19. 499

    Environment Degradation and Economic Growth in the Qatar Economy: Evidence from a Markov Switching Equilibrium Correction Model حسب Charfeddine, Lanouar

    منشور في 2016
    "…From the economic perspective, this means that initially economic growth increases environment degradation and then declines it after a threshold point of income per capita. …"
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  20. 500