يعرض 161 - 180 نتائج من 784 نتيجة بحث عن '(((( 50 ((nn decrease) OR (teer decrease)) ) OR ( 05 a decrease ))) OR ( 50 ms decrease ))', وقت الاستعلام: 0.24s تنقيح النتائج
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    Mental distress and its associations with behavioral outcomes during the COVID-19 pandemic: a national survey of Chinese adults حسب L., Ma

    منشور في 2021
    "…ObjectivesThis study aimed to evaluate associations between mental distress and COVID-19-related changes in behavioral outcomes and potential modifiers (age, gender, educational attainment) of such associations. Study designThis was a cross-sectional study. MethodsAn online survey using anonymous network sampling was conducted in China from April to May 2020 using a 74-item questionnaire. …"
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  5. 165
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  7. 167

    Improved properties of Al-Si3N4 nanocomposites fabricated through a microwave sintering and hot extrusion process حسب Matli, Penchal Reddy

    منشور في 2017
    "…In this study, nano-sized Si3N4 (0, 0.5, 1.0 and 1.5 vol%)/Al composites were fabricated using a powder metallurgy method involving microwave sintering technique followed by hot extrusion. …"
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  8. 168
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  15. 175

    Study of diesel-biodiesel blends combustion and emission characteristics in a CI engine by adding nanoparticles of Mn (II) supramolecular complex حسب Elkelawy, M.

    منشور في 2020
    "…Furthermore, for SC1 nanofluid emulsions, CO and HC emissions are drastically decreased by 48.19–62.05% and 15.34–60.94% compared to pure diesel fuel, respectively. …"
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    Galvanic exchange as a novel method for carbon nitride supported coag catalyst synthesis for oxygen reduction and carbon dioxide conversion حسب Nazir, Roshan

    منشور في 2019
    "…A bimetallic alloy of CoAg nanoparticles (NPs) on a carbon nitride (CN) surface was synthesized using a galvanic exchange process for the oxygen reduction reaction (ORR) and carbon dioxide electrocatalytic conversion. …"
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  20. 180