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decrease » increase (توسيع البحث)
يعرض 61 - 80 نتائج من 259 نتيجة بحث عن '(( 50 ppm decrease ) OR ((((( 5 ng decrease ) OR ( 5 ht decrease ))) OR ( 50 a decrease ))))', وقت الاستعلام: 0.22s تنقيح النتائج
  1. 61
  2. 62

    Enhancing the electrocoagulation process for harvesting marine microalgae (Tetraselmis sp.) using interdigitated electrodes حسب Wardan A. Khatib (17302747)

    منشور في 2021
    "…In this study, 10 min electrolysis time was found to be sufficient to harvest 82.4% microalgae with 1 cm electrode distance and 50 mA/cm2 current density. Furthermore, decreasing the electrode distance to 0.5 cm increased the algal harvesting efficiency to 96.18%. …"
  3. 63

    Enhancing the corrosion resistance of reinforcing steel under aggressive operational conditions using behentrimonium chloride حسب A. Bahgat Radwan (9631720)

    منشور في 2019
    "…Using only a 50 μmol L<sup>−1</sup> of BTC, we are able to measure an inhibition efficiency of 91, 79, and 71% in SCP solution with 3.5% NaCl at pH of 12.5, 10 and 7, respectively without showing any effect on the mechanical properties on the cured mortars. …"
  4. 64

    Cardiorespiratory Fitness and Performance Adaptations to High-Intensity Interval Training: Are There Differences Between Men and Women? A Systematic Review with Meta-Analyses حسب Merilyn Lock (9440240)

    منشور في 2023
    "…Sub-grouping by baseline training status and intervention length decreased heterogeneity in most groups. A qualitative synthesis of other outcomes indicated similar improvements in fitness and performance for men and women with some evidence suggesting differences in the mechanisms of adaptation.…"
  5. 65

    A Case Study in Qatar for Optimal Energy Management of an Autonomous Electric Vehicle Fast Charging Station with Multiple Renewable Energy and Storage Systems حسب Abdulla Al Wahedi (17115613)

    منشور في 2020
    "…The main objective is to fast-charge a minimum of 50 EVs daily, while the constraints are the intermittent and volatile nature of renewable energy sources, the stochastic nature of EV demand, local meteorological conditions and land space limitations. …"
  6. 66
  7. 67

    High flow nasal oxygen (HFNO) in the treatment of COVID-19 infection of adult patients from – An emergency perspective: A systematic review and meta-analysis حسب Nabil Shallik (15900256)

    منشور في 2023
    "…HFNO was associated with a significant decrease in mortality and intubation rates (0.28 (95% CI; 0.19, 0.39) and 0.28 (95% CI; 0.18, 0.41), respectively). …"
  8. 68
  9. 69

    A kinetic evaluation of nutrient and organic matter removal in greywater for green Walls: Assessing the performance of Mineral-Based, Organic, and Waste-Derived plant support media حسب Shaheeda Marakkar Anangadan (19239607)

    منشور في 2024
    "…<p dir="ltr">Greywater recycling provides a means to address rising water demand with reduced environmental impact due to its abundance and lightly polluted nature. …"
  10. 70

    A Quadratic Non-Isolated High Step-Up Single-Input Dual-Output DC–DC Topology Based on Coupled Inductors with Low Input Current Ripple حسب Vafa Marzang (17347048)

    منشور في 2025
    "…Finally, these features are proven based on a prototype at power rating and switching frequency of 500 W and 50 kHz, in which the highest efficiency is measured at 200 W and equals 96.4%.…"
  11. 71

    Comprehensive thermoeconomic, exergoeconomic, and optimization analyses of direct oxy‐combustion supercritical CO<sub>2</sub> intercooled and reheated cycles under design and off‐d... حسب Wahib A. Al‐Ammari (18877408)

    منشور في 2022
    "…At off‐design conditions with a power demand (PD) of 40% of the design load (50 MW), the thermal efficiency is decreased by 21.82% in DRC, 17.71% in ICC, 22.46% in PIC, and 13.60% in RHC. …"
  12. 72

    Hydrothermal and irreversibility numerical analysis of helical coil energy storage tank with nano-encapsulated PCMs: A comprehensive study with magnetic filled, Soret/Dufour, and m... حسب Mohammed Azeez Alomari (20482592)

    منشور في 2025
    "…<p dir="ltr">This paper numerically studied double diffusive free convection in a 2-D helical coil energy storage filled with nano-enhanced phase change material and a layer of porous foam. …"
  13. 73

    Predictors of prolonged hospitalization among geriatric trauma patients using the modified 5-Item Frailty index in a Middle Eastern trauma center: an 11-year retrospective study حسب Husham Abdelrahman (768893)

    منشور في 2025
    "…Head injury and bleeding were the leading causes of mortality in the study cohort. There was a significant decrease in the trend of geriatric trauma over the years. …"
  14. 74

    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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    article
  15. 75

    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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    article
  16. 76

    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 (47381)

    منشور في 2020
    "…<p dir="ltr">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. …"
  17. 77
  18. 78

    Association Between Three-Months Vitamin D Supplementation and Depressive Symptomatology incidence among Saudi Arabian Adults حسب Khaddaj, Rashel

    منشور في 2022
    "…The mean baseline 25(OH)D3 concentration was 16.92±7.23ng/ml in the vitamin D group and 16.44±5.91 ng/ml in the control group (p =0.76). …"
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    masterThesis
  19. 79

    Excess pCO2 and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf) حسب Connor, Izumi

    منشور في 2022
    "…The pCO2 in surface seawater averaged 458 ± 62 which was higher than the atmospheric value of 412 ppm. Hence, the Gulf was a source of CO2 to the atmosphere. pCO2 in seawater is controlled by TA relative to DIC as well as temperature and salinity. …"
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    article
  20. 80

    Corrosion Inhibition of Mild Steel using Potato Peel Extract in 2M HCl Solution حسب Ibrahim, Taleb

    منشور في 2011
    "…The results showed increase in the inhibition efficiency with increasing potato peels extract concentration. A reasonable corrosion inhibition level was obtained at a concentration of 50 ppm (>70% inhibition efficiency). …"
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    article