يعرض 321 - 340 نتائج من 1,782 نتيجة بحث عن '(( 10 ((per decrease) OR (((nn decrease) OR (a decrease)))) ) OR ( 2 c decrease ))*', وقت الاستعلام: 0.20s تنقيح النتائج
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    Conversion of a mixture of date palm wastes to mesoporous activated carbon for efficient dye adsorption حسب Alharbi, Hattan A.

    منشور في 2023
    "…The MAC was found to be mesoporous, with an average pore diameter and BET surface area of 2.61 nm and 641.23 m2 g−1, respectively. The zeta potential and FTIR results demonstrated that the surface of MAC was negatively charged in its natural state and filled with functional groups such as phenyl, secondary amine, alkyne, aldehyde, and hydroxy groups. …"
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  4. 324
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    Environmental impacts of solar photovoltaic systems: A critical review of recent progress and future outlook حسب Tawalbeh M.

    منشور في 2021
    "…Recycling solar cell materials can also contribute up to a 42% reduction in GHG emissions. The present study offers a valuable management strategy that can be used to improve the sustainability of PV manufacturing processes, improve its economic value, and mitigate its negative impacts on the environment.…"
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  6. 326

    Evaluation of the acute basic biological effects of herbal formulation to control obesity: a preliminary study حسب Kumar, Mukul

    منشور في 2023
    "…Results: In the study, it was observed that the female rats treated at the highest dose showed a significantly (P < 0.005) higher decrease in weight compared to male rats after 10 days. …"
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    Turning point in COVID-19 severity and fatality during the pandemic: a national cohort study in Qatar حسب Chemaitelly, Hiam

    منشور في 2023
    "…The post-first omicron phase saw a drastic drop to 0.10 (95% CI 0.08 to 0.14) per 1000 person years, a 95.4% reduction. …"
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  17. 337

    Impact of the COVID-19 pandemic on sexually transmitted infection testing and diagnosis in Lebanon: A retrospective chart review حسب Sunji, Nadine

    منشور في 2024
    "…Post-COVID-19 onset, a total of 1350 VCT services and 406 medical consultations were provided, an overall 45 % decrease compared with pre-COVID-19 onset. The prevalence pre-COVID-19 onset of HIV, syphilis, HBV, and HCV was 0.8 %, 0.3 %, 0.2 %, and 0.1 %, respectively, and post-COVID-19 onset 1.2 %, 0.7 %, 0.3 %, and 0.3 %, respectively. …"
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    article
  18. 338

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

    منشور في 2016
    "…After reaching a critical level of income, the spending on environment protection is increased, and hence environment degradation tend to decrease. …"
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