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يعرض 1 - 20 نتائج من 321 نتيجة بحث عن '(((( c values increased ) OR ( ct values increased ))) OR ( _ large decrease ))', وقت الاستعلام: 0.10s تنقيح النتائج
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    Catalytic CO<sub>2</sub> conversion to C1 value-added products: Review on latest catalytic and process developments حسب Noor Yusuf (15748120)

    منشور في 2023
    "…This review discusses the latest technological innovations in catalyst developments for direct CO<sub>2</sub> utilization to C1 value-added products and fuels. Amongst the various potential products, CO<sub>2</sub> conversion to dimethyl carbonates, methanol, formic acid, syngas, and methane using different homogenous and heterogeneous catalytic systems was discussed. …"
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    A clustering metaheuristic for large orienteering problems حسب Almiqdad Elzein (13141038)

    منشور في 2022
    "…The metaheuristic aims to dramatically improve the computation time of a given Orienteering Problem algorithm without a significant decrease in the solution quality of that algorithm, especially for large Orienteering Problems. …"
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    Development of image quality related reference doses called acceptable quality doses (AQD) in paediatric CT exams in Qatar حسب Mohammad Hassan Kharita (14158812)

    منشور في 2022
    "…The median CTDIvol values for the above weight groups were 16, 20, 22, 22, 27 and 27 mGy and the median DLP values for these weight groups were 271, 377, 463, 486, 568 and 570 mGy cm, respectively, for head CT. …"
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    A GRASP Approach for Solving Large-Scale Electric Bus Scheduling Problems حسب Raka Jovanovic (17947838)

    منشور في 2021
    "…The problem is modelled using a mixed integer program (MIP) in which the charging time of an EB is pertinent to the battery’s state-of-charge level. To be able to solve large problem instances corresponding to real-world applications of the model, a metaheuristic approach is investigated. …"
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    The impact of automatic tube current modulation related settings of a modern GE CT scanner on image quality and patient dose; details do matter حسب Ioannis A. Tsalafoutas (14776939)

    منشور في 2024
    "…<h3>Purpose</h3><p dir="ltr">To investigate the operation principles of the automatic tube current modulation (ATCM) of a modern GE healthcare CT scanner, and the impact of related settings on image quality and patient dose.…"
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    Demographic characteristics and clinical and laboratory features of patients with Clostridiodes difficile infection: A retrospective study in Qatar حسب Vamanjore A., Naushad

    منشور في 2025
    "…Respiratory tract infections (33.9%) and urinary tract infections (22.4%) were the most common indications for antibiotic use in the study population. Increased C-reactive protein levels were the most frequently observed laboratory findings. …"
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    Synthesis and evaluation of novel Cu-based adsorbent-containing catalysts for CO<sub>2</sub> hydrogenation to methanol and value-added products حسب Rim Ismail (18192922)

    منشور في 2024
    "…<p dir="ltr">In this work, sequential incipient wetness impregnation method was used to synthesize Cu/Al<sub>2</sub>O<sub>3</sub>, Cu/Na<sub>2</sub>O/Al<sub>2</sub>O<sub>3</sub> and Cu/CaO/Al<sub>2</sub>O<sub>3</sub> catalysts in different compositions for CO<sub>2</sub> conversion to value-added products. Synthesized catalysts were characterized using various analytical techniques and their performances for CO<sub>2</sub> catalytic conversion were tested in a high-pressure packed bed reactor under reaction conditions of P = 60 bars, T = 300 °C, and H<sub>2</sub>/CO<sub>2</sub> = 3. …"
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