يعرض 721 - 740 نتائج من 1,764 نتيجة بحث عن '(( 10 ((meters decrease) OR (((mean decrease) OR (a decrease)))) ) OR ( 2020 due decrease ))*', وقت الاستعلام: 0.15s تنقيح النتائج
  1. 721

    Impacts of rural tourism-driven land use change on ecosystems services provision in Erhai Lake Basin, China حسب Li, Jinghui

    منشور في 2020
    "…© 2020 Elsevier B.V. Tourism is an expanding activity worldwide, with vital implications for local economies but also for ecosystem management. …"
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  2. 722
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  6. 726

    Facile Electrochemical Synthesis of Highly Efficient Copper-Cobalt Oxide Nanostructures for Oxygen Evolution Reactions حسب Nath, Narayan Chandra Deb

    منشور في 2020
    "…An optimized nanopetal structure of CuxCo3-xO4 (x = 0.95, annealed at 200 °C) shows a considerably high Faradaic efficiency (∼93%) with a remarkably low overpotential (∼230 mV) at a benchmark current density (J) of 10 mA cm-2; at the same J in an alkaline solution (1 M KOH) for OER, it also exhibits high durability (up to 100 h). …"
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  11. 731

    Experimental and Theoretical Investigation on Bond Behavior of Tensile Lap Spliced Basalt Fiber Reinforced Polymer Bars in High Strength Concrete Beams حسب Eltantawi, Islam Reda Mohamed

    منشور في 2020
    "…Moreover, the bond strength decreases as the splice length increases. Additionally, the sand-coated bars showed a higher bond strength than the helically wrapped bars.…"
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  18. 738

    Long-Term Variability of Aerosol Concentrations and Optical Properties over the Indo-Gangetic Plain in South Asia حسب Shahid, Imran

    منشور في 2022
    "…Emissions of atmospheric pollutants are rapidly increasing over South Asia. A greater understanding of seasonal variability in aerosol concentrations over South Asia is a scientific challenge and has consequences due to a lack of monitoring and modelling of air pollutants. …"
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  19. 739

    Pilot-scale petroleum refinery wastewaters treatment systems: performance and microbial communities' analysis حسب Karray, Fatma

    منشور في 2020
    "…Decreasing HRT to 5 and 2.5 days led to a decrease in the efficiency of the process and a decrease in biomass concentration was also observed (<1000 mg/l). …"
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  20. 740