يعرض 1 - 20 نتائج من 40 نتيجة بحث عن '(((( 50 a decrease ) OR ( 5 c decrease ))) OR ((( _ fe decrease ) OR ( _ bed decrease ))))', وقت الاستعلام: 0.25s 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
    "…This study investigates carbon deposition during methane dry reforming over a nickel-based catalyst supported on alumina in a laboratory-scale fixed-bed reactor. Approximately 23.75 g of catalyst was used, and simulations were performed using COMSOL 6.2 software. …"
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    Ferroelectric Properties and Electrocaloric Effect in Dy2O3 Substitution on Lead-Free (Na0.5 Bi0.5)0.94 Ba0.06TiO3 Ceramic حسب Turki, O.

    منشور في 2023
    "…Higher stability of the ferroelectric (FE) phase was obtained at room temperature for the compositions y = 0.01, 0.02 and 0.05, with optimum values for y = 0.02 as remanent polarization Pr = 32µC/cm2, as well as piezoelectric coefficients d33 = 137 pC/N, kp = 0.27 and kt = 0.16, whereas a higher content of Dy (y = 0.08) induced a remarkable decrease of the ferroelectric and piezoelectric properties. …"
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    Control of the Speed of a Light-Induced Spin Transition through Mesoscale Core-Shell Architecture حسب Slimani, Ahmed

    منشور في 2018
    "…A series of photomagnetic coordination polymer core-shell heterostructures, based on the light-switchable RbaCob[Fe(CN)6]c·mH2O (RbCoFe-PBA) as core with the isostructural KjNik[Cr(CN)6]l·nH2O (KNiCr-PBA) as shell, are studied using temperature-dependent powder X-ray diffraction and SQUID magnetometry. …"
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    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, 1.7 % of patients tested positive for any STI compared with 1.1 % pre-COVID-19 onset (OR: 1.5, 95%CI: 0.8–2.7). Close to 90 % of all positive diagnoses were among MSM. …"
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    Dynamics of Neisseria gonorrhoeae transmission among female sex workers and clients: A mathematical modeling study حسب Houssein H., Ayoub

    منشور في 2024
    "…Increasing asymptomatic treatment coverage among FSWs from 0 % to 50 % decreases prevalence from 8.2 % to 0.4 %, 0.6 % to 0.1 %, and 0.2 % to 0.0 %, respectively, with very low prevalence when coverage exceeds 50 %. …"
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    Global age-sex-specific fertility, mortality, healthy life expectancy (HALE), and population estimates in 204 countries and territories, 1950–2019: a comprehensive demographic anal... حسب Haidong, Wang

    منشور في 2020
    "…Background Accurate and up-to-date assessment of demographic metrics is crucial for understanding a wide range of social, economic, and public health issues that affect populations worldwide. …"
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    Global, regional, and national age-sex-specific burden of diarrhoeal diseases, their risk factors, and aetiologies, 1990–2021, for 204 countries and territories: a systematic analy... حسب Hmwe Hmwe, Kyu

    منشور في 2024
    "…FindingsIn 2021, diarrhoeal diseases caused an estimated 1·17 million (95% uncertainty interval 0·793–1·62) deaths globally, representing a 60·3% (50·6–69·0) decrease since 1990 (2·93 million [2·31–3·73] deaths). …"
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    Impact of trace noble metals on the catalytic performance of LaNiMgO towards methane dry reforming حسب Mohamed, Assem T.

    منشور في 2024
    "…In addition, the presence of noble metals at the Ni surface afforded a high density of adsorbed oxygen species, which enhanced coke gasification and consequently decreased the extent of deactivation of the catalysts by coke formation. …"
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    Modeling the influence of daily temperature and precipitation extreme indices on vegetation dynamics in Katsina State using statistical downscaling model (SDM) حسب Mohammad, Hadi Ahmad

    منشور في 2023
    "…Tmax and Tmin were projected under low emissions at 20.1 0C and 14.25 0C (RCP2.6), 20.13 °C and 14.26 0C (RCP4.5), and 20.15 0C and 14.27 0C (RCP8.5) respectively. …"
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    Effect of sintering temperature of NBT–6BT lead-free ceramics on the structural, ferroelectric and piezoelectric properties حسب Slimani, Ahmed

    منشور في 2022
    "…It is found that the optimal ferroelectric and piezoelectric values were obtained at 1150 °C (P r = 27 µC/cm 2 , E c = 3.89 kV/mm and d 33 = 110 pC/N). …"
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    Exploring Beyond Numeric Weight Loss: The Metabolic Effects of Semaglutide. حسب Sara, Sokary

    منشور في 2025
    "…Also, it enhanced glycemic control, as evidenced by significant reductions in hemoglobin A1C (HbA1c) with the 0.5 mg and 1.0 mg doses. From a baseline range of 8.1–8.7%, 0.5mg dose lowered HbA1c by 1.2–1.5%, while the 1.0 mg dose reduced it by 1.4–1.8%. …"
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    Extraction and characterization of biofunctional lignocellulosic fibers from Pulicaria undulata plant and the effect of alkali treatment on their bio-physicochemical properties حسب Mohammed, Alsafran

    منشور في 2024
    "…In contrast, alkali-treated fibers showed a significant decrease in radical scavenging activity (almost 7–8 fold) and reducing power potential (6-fold) and exhibited no antifungal activity, potentially due to the loss of bioactive components such as lignin and essential oils. …"
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