يعرض 641 - 660 نتائج من 1,764 نتيجة بحث عن '(( 10 ((steel decrease) OR (((nn decrease) OR (a decrease)))) ) OR ( 2020 2021 decrease ))*', وقت الاستعلام: 0.20s تنقيح النتائج
  1. 641
  2. 642

    Study of performance, combustion, and emissions parameters of DI-diesel engine fueled with algae biodiesel/diesel/n-pentane blends حسب Elkelawy, Medhat

    منشور في 2021
    "…Due to the disadvantages of using pure biodiesel in engines, it was used as B50 (a blend of 50% diesel and 50% biodiesel). To enhance engine performance, n-pentane was used in different extents of 5, 10, and 15 ml per liter as an enhancer additive. …"
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  3. 643

    Mechanical and microstructure characterization of hard nanostructured N-bearing thin coating حسب Cabibbo, M.

    منشور في 2015
    "…The main problem with steel, is that it exhibits a relatively low hardness (below 10GPa) which strongly decreases upon annealing above about 600K. …"
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  4. 644
  5. 645
  6. 646

    Tribo-mechanical properties evaluation of HA/TiO2/CNT nanocomposite حسب Zalnezhad, Erfan

    منشور في 2021
    "…The wear rate of HA/TiO2/CNT with the highest CNT content showed a decrease compared with those of the other samples. …"
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  7. 647

    Effect of concentration of DOC loaded TiO 2 nanotubes on the corrosion behavior of smart coatings حسب Ubaid F.

    منشور في 2019
    "…Towards this direction, TiO2 nanotubes with an average size of ⁓10–15 nm (as confirmed by scanning electron microscope (SEM) and transmission electron microscope (TEM) analysis) were synthesized through a hydrothermal process and were then impregnated with DOC. …"
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  8. 648
  9. 649

    Structural performance and moment redistribution of basalt FRC continuous beams reinforced with basalt FRP bars حسب Abushanab, Abdelrahman

    منشور في 2021
    "…Seven beams were longitudinally reinforced with BFRP bars, while the remaining three beams were reinforced with conventional steel bars and served as a control. Test results showed that BFRC-RC beams had higher crack widths, mid-span deflections, and strains than steel-RC beams. …"
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  10. 650
  11. 651
  12. 652
  13. 653
  14. 654
  15. 655
  16. 656

    Tobacco control in the Eastern Mediterranean region: implementation progress and persisting challenges حسب Abu-Rmeileh, Niveen M E

    منشور في 2022
    "…According to WHO estimates in 2021,1 the age-standardised current tobacco smoking prevalence among individuals aged 15 years or older in the region ranged from 8.1% in Oman to 35.0% in Jordan and Lebanon. …"
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  17. 657
  18. 658
  19. 659

    An investigation of endometrial vascularity in normally menstruating women and those in other physiological states using 3D ultrasound imaging حسب Khan, Ammar Ahmed

    منشور في 2024
    "…Methods: Women undergoing ultrasound at the Feto-Maternal Center, Qatar in 20202021 as part of their gynecologic evaluation were enrolled into the study. …"
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  20. 660