يعرض 421 - 440 نتائج من 1,775 نتيجة بحث عن '(( 13 c decrease ) OR ( 10 ((peter decrease) OR (((a decrease) OR (mean decrease)))) ))*', وقت الاستعلام: 0.19s تنقيح النتائج
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    Numerical analysis of spatial distribution of carbon in methane dry reforming over supported nickel catalyst in a packed bed reactor حسب Ebrahimi, Parisa

    منشور في 2024
    "…The total carbon deposited was estimated to be around 18 g after 10,000 s of Time on Stream (TOS) at 650 °C. As the temperature increased, the total carbon deposition decreased, although this reduction became negligible beyond 850 °C. …"
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    article
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    PREVALENCE OF BREASTFEEDING INDICATORS IN MIDDLE EAST AND NORTH AFRICAN COUNTRIES: A META-ANALYSIS OF NATIONAL HEALTH SURVEYS (2010- 2020) حسب NASSER, AMAL ABDO

    منشور في 2022
    "…As cesarean section rates increased to more than 10%, the prevalence of breastfeeding indicators decreased. …"
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    Global, regional, and national burden of household air pollution, 1990–2021: a systematic analysis for the Global Burden of Disease Study 2021 حسب Fiona B, Bennitt

    منشور في 2025
    "…FindingsIn 2021, 2·67 billion (95% uncertainty interval [UI] 2·63–2·71) people, 33·8% (95% UI 33·2–34·3) of the global population, were exposed to HAP from all sources at a mean concentration of 84·2 μg/m3. Although these figures show a notable reduction in the percentage of the global population exposed in 1990 (56·7%, 56·4–57·1), in absolute terms, there has been only a decline of 0·35 billion (10%) from the 3·02 billion people exposed to HAP in 1990. …"
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    article
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    Anticoagulant activity of cellulose nanocrystals from isora plant fibers assembled on cellulose and sio2 substrates via a layer-by-layer approach حسب Mohan T.

    منشور في 2021
    "…In this study, we report the isolation of cellulose nanocrystals (CNCs) from Isora plant fibers by sulfuric acid hydrolysis and their assembly on hydrophilic cellulose and silicon-di-oxide (SiO2) surfaces via a layer-by-layer (LBL) deposition method. The isolated CNCs were monodis-persed and exhibited a length of 200-300 nm and a diameter of 10-20 nm, a negative zetapotential (34-39 mV) over a wide pH range, and high stability in water at various concentrations. …"
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