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Showing 181 - 200 results of 668 for search '(( 50 ppm decrease ) OR ((( 50 a increase ) OR ((( 5 wt decrease ) OR ( c mean decrease ))))))*', query time: 0.35s Refine Results
  1. 181

    A novel hybrid photovoltaic/thermal-fuel cell system for efficient hydrogen, heat, and power generation: Techno-economic and environmental evaluation by Bashar Shboul (22927252)

    Published 2025
    “…The P<sub>PVT-FC</sub> dropping from 2.0 kW to 0.75 kW and the η<sub>PVT-FC</sub> 16%–8%, while the Q<sub>PVT-FC</sub> remains stable at ∼689.5 kW. Increasing the coolant outlet temperature and electrolyzer efficiency enhances m<sub>PVT-FC</sub> and η<sub>PVT-FC</sub> reaching a maximum efficiency of 18.06% at a 0.5 kg/s flow rate. …”
  2. 182

    SARS‐CoV‐2 infection and effects of age, sex, comorbidity, and vaccination among older individuals: A national cohort study by Mai A. Mahmoud (9620657)

    Published 2023
    “…</p><h3>Methods</h3><p dir="ltr">A national retrospective cohort study was conducted in the population of Qatar aged ≥50 years between February 5, 2020 and June 15, 2023. …”
  3. 183

    Comparative Effectiveness and Safety of Direct Oral Anticoagulants in Low Body Weight Patients with Atrial Fibrillation: A Systematic Review and Meta-analysis by Mohamed Nabil Elshafei (9960500)

    Published 2024
    “…DOAC analogs were associated with increased stroke-related events, composite outcome, and mortality in low body weight patients compared to non-low body weight patients (odds ratio [OR] 1.50, 95% confidence interval [CI] 1.17–1.92), (OR 1.55, 95% CI 1.29–1.86), (OR 2.92, 95% CI 1.87–4.58), respectively. …”
  4. 184

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

    Published 2023
    “…<h2>Background</h2><p dir="ltr">It is important to consider biological sex as a variable that might influence exercise adaptation in order to optimize exercise prescription for men and women.…”
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    A Case Study in Qatar for Optimal Energy Management of an Autonomous Electric Vehicle Fast Charging Station with Multiple Renewable Energy and Storage Systems by Abdulla Al Wahedi (17115613)

    Published 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. …”
  7. 187

    Automated inferior vena cava distensibility index for assessing fluid responsiveness in ventilated patients after cardiac surgery: a prospective pilot comparative study by Amr Salah Omar (17151028)

    Published 2025
    “…FR was defined as an increase in cardiac output (CO) by more than 10% after receiving a fluid challenge. …”
  8. 188

    Evaluating the invasive plant, <i>Prosopis juliflora</i> in the two initial growth stages as a potential candidate for heavy metal phytostabilization in metalliferous soil by Kamal Usman (11482990)

    Published 2019
    “…<p dir="ltr">Anthropogenic activities leads to increase in toxic metals in the environment. The toxicity of Cd, Cr and Pb to P. juliflora were tested in agar media; Seeds germinated in 25, 50 and 100 mg/L Pb; 5, 10 and 20 mg/ 10 L Cd; and 10 mg/L Cr were mostly unaffected. …”
  9. 189

    Regional variations in incidence of surgical site infection and associated risk factors in women undergoing cesarean section: A systematic review and Meta-Analysis by Nazmul, Islam

    Published 2025
    “…BackgroundSurgical site infections (SSIs) are the most common postoperative complications after cesarean section (CS), with increased mortality, prolonged hospital stays, and increased healthcare costs. …”
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  10. 190

    Global smart cities classification using a machine learning approach to evaluating livability, technology, and sustainability performance across key urban indices by Aya Hasan Alkhereibi (17151070)

    Published 2025
    “…</p><h2>Other Information</h2><p dir="ltr">Published in: Journal of Cleaner Production<br>License: <a href="http://creativecommons.org/licenses/by/4.0/" target="_blank">http://creativecommons.org/licenses/by/4.0/</a><br>See article on publisher's website: <a href="https://dx.doi.org/10.1016/j.jclepro.2025.145394" target="_blank">https://dx.doi.org/10.1016/j.jclepro.2025.145394</a></p>…”
  11. 191

    Global fertility in 204 countries and territories, 1950–2021, with forecasts to 2100: a comprehensive demographic analysis for the Global Burden of Disease Study 2021 by Natalia V, Bhattacharjee

    Published 2024
    “…To capture time-series trends in CCF50 not explained by these covariates, we used a first-order autoregressive model on the residual term. …”
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  12. 192

    Three-dimensional evaluation of pulp chamber volume and dimensions across skeletal and dental malocclusions using CBCT: a retrospective cross-sectional study by Raidan Ba-Hattab (17773230)

    Published 2025
    “…</p><h3 dir="ltr">Materials and methods</h3><p dir="ltr">A retrospective, cross-sectional analysis was conducted using CBCT scans from 184 Jordanian adults(mean age 24.22 ± 7.50 years). …”
  13. 193

    Application of Cyanobacteria (Roholtiella sp.) Liquid Extract for the Alleviation of Salt Stress in Bell Pepper (Capsicum annuum L.) Plants Grown in a Soilless System by Adewale Suraj Bello (18891643)

    Published 2021
    “…A soilless water experiment was carried out in a greenhouse where bell pepper seedlings were grown under five salt concentrations (0, 50, 200, 150, and 200 mM of NaCl). …”
  14. 194

    Global burden of 87 risk factors in 204 countries and territories, 1990–2019: a systematic analysis for the Global Burden of Disease Study 2019 by Christopher J L Murray (13580635)

    Published 2020
    “…</p><h2>Other Information</h2> <p> Published in: The Lancet<br> License: <a href="http://creativecommons.org/licenses/by/4.0/" target="_blank">http://creativecommons.org/licenses/by/4.0/</a><br>See article on publisher's website: <a href="https://dx.doi.org/10.1016/s0140-6736(20)30752-2" target="_blank">https://dx.doi.org/10.1016/s0140-6736(20)30752-2</a></p>…”
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  17. 197

    Co-production of high density biomass and high-value compounds via two-stage cultivation of Chlorella vulgaris using light intensity and a combination of salt stressors by Eman A. El-fayoumy (17788952)

    Published 2023
    “…Cultures supplemented with 5 g L<sup>−1</sup> NaCl / 5 g L<sup>−1</sup> MgCl<sub>2</sub> / 5 g L<sup>−1</sup> CaCl<sub>2</sub> and high light intensity exposure attained consistently high carbohydrate content (52.71 ± 2.50%). The combination of 7.5 g L<sup>−1 </sup>NaCl / 7.5 g L<sup>−1 </sup>MgCl<sub>2</sub> also resulted in a marked increase in the protein content (35.32 ± 2.20%) and total carotenoids (0.31 ± 0.03 μg mL<sup>−1</sup>) as compared to the Controls. …”
  18. 198

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

    Published 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%.…”
  19. 199

    A urokinase-activated recombinant diphtheria toxin targeting the granulocyte-macrophage colony-stimulating factor receptor is selectively cytotoxic to human acute myeloid leukemia... by Abi-Habib, Ralph J.

    Published 2004
    “…Novel agents to treat acute myeloid leukemia (AML) are needed with increased efficacy and specificity. We have synthesized a dual-specificity fusion toxin DTU2GMCSF composed of the catalytic and translocation domains of diphtheria toxin (DT) fused to the granulocyte-macrophage colony-stimulating factor (GM-CSF) in which the DT furin cleavage site 163RVRRSV170 is modified to a urokinase plasminogen activator (uPA) cleavage site 163GSGRSA170, termed U2. …”
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