يعرض 1 - 12 نتائج من 12 نتيجة بحث عن '(( 5 a decrease ) OR ((( a a decrease ) OR ((( _ cost decrease ) OR ( _ c decrease ))))))~', وقت الاستعلام: 0.15s تنقيح النتائج
  1. 1

    Road safety and traffic medicine in Iran: Achievements and challenges حسب A. Motevalian (19807242)

    منشور في 2015
    "…On the other side, there are areas that need to be improved, including: a) driving behavior of both public and private drivers; b) driving under influence of drugs specially among public vehicle drivers (3,4) c) motorcycle riding behavior with special emphasis on helmet use (5); d) medical and psychological fitness to drive examinations; e) vehicle safety specifically for cars manufactured within the country; f) transportation engineering with emphasis on expansion of railroads and safe highways.…"
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    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 design conditions (high‐pressure of <i>P</i><sub>c,o</sub> = 20 MPa, low‐pressure of <i>P</i><sub>c,o</sub> = 5.4 MPa, TIT = 750°C, CIT = 50°C [dry‐cooling]), the PIC has the highest thermal efficiency (47.78%) compared to 38.36% for DRC, 45.71% for ICC, and 44.39% for RHC. …"
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    Enhanced thermoelectric properties of Bi<sub>2</sub>Te<sub>2.55</sub>Se<sub>0.45</sub> nanocomposites using eco-friendly Eocene Midra Shale palygorskite nanofillers: A sustainable... حسب Farah M. El-Makaty (14157090)

    منشور في 2025
    "…These results highlight EMS as a low-cost, natural nanofiller with strong potential for scalable thermoelectric applications.…"
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    Investigation of the Sustainable Production and Utilization of Biochar and Activated Carbon From Waste حسب Farah Yousef Taher Obar (19938288)

    منشور في 2023
    "…After activation, the SCG biomass was used to produce biochar by a slow pyrolysis process at three temperatures (300, 500, and 600 °C) for 1-hour residence time and at a heating rate of 5 °C/min. …"
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    Hydrogen energy systems: Technologies, trends, and future prospects حسب Abdellatif M. Sadeq (16931841)

    منشور في 2024
    "…Despite its potential, the expansion of <u>hydrogen technology </u>is curtailed by the inefficiency of current electrolysis methods and high production costs. Presently, electrolysis efficiencies range between 60 % and 80 %, with hydrogen production costs around $5 per kilogram. …"
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    Enhanced oil recovery using hyperbranched polyglycerol polymer-coated silica nanoparticles حسب Wamda Faisal Elmobarak (17058024)

    منشور في 2021
    "…The reported %η<sub>dem</sub> was ≥80% for all the studied C<sub>oil</sub>. The %η<sub>dem</sub> improved as the C<sub>sur</sub> and pH decreased, with maximum values of 98.8% and 98.5% achieved at C<sub>sur</sub> = 0.05 g/L and a pH = 4, respectively. …"
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    Synthesis of lithium manganese oxide nanocomposites using microwave‐assisted chemical precipitation technique and their performance evaluation in lithium‐ion batteries حسب Hanan Abdurehman Tariq (14778361)

    منشور في 2023
    "…The LMO-CNTs and LMO-GNPs have an excellent rate capability of 124 and 127 mAhg<sup>−1</sup> at 0.1C, sustained at 115.6 and 118.5 mAhg<sup>−1</sup> at 10C, respectively. …"
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    Energy conversion of heat from abandoned oil wells to mechanical refrigeration - Transient analysis and optimization حسب Mohammed Al-Khawaja (17093017)

    منشور في 2021
    "…The system advantages lie in its simple, flexible, and low-cost design as well as in its ability to be driven by a low-temperature heat source (as low as 60 °C). …"
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    Reduced graphene aerogels as energy efficient selective oil sorbents حسب Junaid Saleem (14670322)

    منشور في 2022
    "…The thermal reduction yields a C/O ratio of 24:1, slightly higher than most reported values.…"