يعرض 621 - 640 نتائج من 1,764 نتيجة بحث عن '(( 10 ((meet decrease) OR (((nn decrease) OR (a decrease)))) ) OR ( 2020 2021 decrease ))*', وقت الاستعلام: 0.16s تنقيح النتائج
  1. 621

    Improvement of both lipid and biomass productivities of Qatar Chlorocystis isolate for biodiesel production and food security حسب Saadaoui, Imen

    منشور في 2018
    "…Several strategies were developed to modulate and improve algae metabolites production to meet the requirements for biodiesel production. Most previous research evidenced that the increase of the lipid content is accompanied by a decrease of the biomass production, which increases the cost of the downstream processing. …"
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  2. 622
  3. 623
  4. 624
  5. 625

    Investigating the effect of polymer-modified graphene oxide coating on RO membrane fouling حسب Ashfaq, Mohammad Y.

    منشور في 2022
    "…The membrane surface characterization showed a decrease in membrane surface roughness from 74.7 nm to 69.0 nm and an increase in membrane hydrophilicity as the contact angle decreased from 41.7 ± 4.50 to 22.0 ± 1.10. …"
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  6. 626
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  8. 628

    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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  9. 629
  10. 630
  11. 631

    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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  12. 632
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  15. 635
  16. 636
  17. 637
  18. 638
  19. 639
  20. 640

    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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