يعرض 641 - 660 نتائج من 909 نتيجة بحث عن '(( 50 ((nn decrease) OR (a decrease)) ) OR ((( 0 1 decrease ) OR ( a stem decrease ))))*', وقت الاستعلام: 0.25s تنقيح النتائج
  1. 641
  2. 642
  3. 643

    Trends and levels of the global, regional, and national burden of appendicitis between 1990 and 2021: findings from the Global Burden of Disease Study 2021 حسب Letourneau, Ian D

    منشور في 2024
    "…Mortality rates ranged from 1·01 (0·895–1·13) per 100 000 in central Latin America to 0·054 (0·0464–0·0617) per 100 000 in high-income Asia Pacific. …"
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    article
  4. 644

    Prediction of critical total drawdown in sand production from gas wells: Machine learning approach حسب Alakbari, Fahd Saeed

    منشور في 2023
    "…The SVM model has shown the lowest AAPRE of 6.1%, with the highest R of 0.995. The effects of all independent variables on the CTD are displayed in three-dimensional plots and showed significant interactions.…"
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  5. 645

    Adaptive thermal comfort in the different buildings of Darjeeling Hills in eastern India – Effect of difference in elevation حسب Thapa, Samar

    منشور في 2018
    "…The mean clothing insulation of the subjects were found to increase with the increase in the elevation of the location and this difference was statistically significant, t = −94.05 (df = 2607, p < 0.001). The yearly mean clothing insulation in S0135 was 0.640 clo, K1420 was 0.722 clo, M1640 was 0.947 clo, S1950 was 1.055 clo and T2565 was 0.907 clo, respectively. …"
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  6. 646

    Morphology, nucleation, and isothermal crystallization kinetics of poly(butylene succinate) mixed with a polycarbonate/MWCNTs masterbatch حسب Gumede, Thandi P.

    منشور في 2018
    "…The nanocomposites contained 0.5, 1.0, 2.0, and 4.0 wt% MWCNTs. Differential scanning calorimetry (DSC), small angle X-ray scattering (SAXS) and wide angle X-ray scattering (WAXS) results indicate that the blends are partially miscible, hence they form two phases (i.e., PC-rich and PBS-rich phases). …"
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  7. 647

    Effect of surfactants on the convective heat transfer and pressure drop characteristics of ZnO/DIW nanofluids: An experimental study حسب Qamar, Adnan

    منشور في 2023
    "…Convective heat transfer (HTC) and flow characteristics (pressure drop (ΔP) and friction factor (f)) of aqueous ZnO NFs' within a circular mini tube (Di = 1.0 mm, L = 330 mm) were analyzed. Experiments were carried out under steady-state and varying flow rates using 0.012–0.048 wt % of NFs and sodium hexametaphosphate (SHMP) and acetylacetone (ACAC) as surfactants (SFs). …"
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    article
  8. 648

    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
    "…Furthermore, the hydrogen to carbon monoxide (H₂/CO) molar ratio peaked at over 1.1 at 650 °C, dropped to approximately 0.76 at 750 °C, and then rose back to 0.97 at 950 °C. …"
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    article
  9. 649
  10. 650

    Study of the Hydration of Blast-Furnace Slag Cement and Portland Cement by Mossbauer Spectroscopy حسب Eissa, N. A. [نبيل عيسى]

    منشور في 1982
    "…It was found that, as the time of hydration was increased, the Fe3 (0) content decreased, while the Fe3 (T) content increased. …"
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  11. 651
  12. 652

    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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  13. 653
  14. 654

    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
    "…ResultsAfter adjusting for covariates, greater mental distress was associated with increased smoking (odds ratio [OR] = 1.42, 95% confidence interval [CI]: 1.20–1.68 and OR = 1.54, 95% CI: 1.31–1.82 per one standard deviation [SD] increase in mental distress) and alcohol consumption (OR = 1.67, 95% CI: 1.45–1.92 and OR = 1.47, 95% CI: 1.24–1.75 per one SD increase in mental distress) among current smokers and drinkers and with both increased and decreased physical activity (ORs ranged from 1.32 to 1.56). …"
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  15. 655

    Simulation and Optimization of an LNG Plant Cold Section حسب Katebah, Mary Anna

    منشور في 2018
    "…Among all the available cycles, the propane pre-cooled mixed refrigerant (C3MR) system is the leading one in the LNG industry. Therefore, this research focuses on decreasing the energy consumption of C3MR and NGL recovery system with helium extraction (producing approximately 60 mol% crude helium) and nitrogen rejection units. …"
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  16. 656

    Utilizing Recycled Polypropylene Fibers as Reinforcement for Concrete Beams حسب Bendjillali, Khadra

    منشور في 2020
    "…The fiber's diameter varies between 0.7 and 0.9mm. The various fiber content ratios tested in this investigation are 0.25, 0.5 and 1%. …"
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  17. 657

    Progressive circuit resistance training improves inflammatory biomarkers and insulin resistance in obese men حسب Kolahdouzi, Sarkawt

    منشور في 2019
    "…Moreover, insulin resistance was positively correlated with apelin (r = 0.56) and chemerin (r = 0.51). Also, chemerin had a positive correlation with SAA (r = 0.49), and WHR (r = 0.54). …"
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  18. 658
  19. 659

    Influence of natural gas composition on adsorption in calcite Nanopores: A DFT study حسب Elbashier E.

    منشور في 2021
    "…The nanopores absorbed up to 28 and 24 molecules of CH4 and CO2, respectively, and the adsorption energy decreased to −0.0062 and −0.0075 eV/Å2 for each. Although the nanopore was filled spatially by the molecules, its surface still has an affinity to absorb more gas molecules energetically. …"
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  20. 660

    Bio-Inspired Fabrication of Ultrafiltration Membranes incorporating Polydopamine Functionalized Graphene Oxide Nanoparticles حسب Alkhouzaam, Abedalkader Ibraheem

    منشور في 2021
    "…The highest pure water permeability (PWP) was obtained with PSF/rGO-PDA-0.1 to be approximately twice that of the pristine PSF and PSF/GO-0.1. …"
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