يعرض 381 - 400 نتائج من 988 نتيجة بحث عن '(( 5 ((((ng decrease) OR (nn decrease))) OR (a decrease)) ) OR ( 2020 (wave OR have) decrease ))', وقت الاستعلام: 0.18s تنقيح النتائج
  1. 381

    Structural, wear and thermal behaviour of Cu–Al2O3–graphite hybrid metal matrix composites حسب Mittal, P.

    منشور في 2020
    "…Copper matrix composites with Al2O3–graphite reinforcement (0.5-0.5, 1.0-1.0, 1.5-1.5 and 2.0-2.0 wt%) were prepared by stir casting process. …"
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  2. 382
  3. 383

    The spectral and morphological studies of the conductive polyaniline thin film derivatives by the in situ copolymerization حسب Waware, Umesh S.

    منشور في 2017
    "…The blue shift in the band indicates that there is a decrease in the extent of conjugation system along the copolymer. …"
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  4. 384

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

    منشور في 2022
    "…Tobacco use is the leading cause of preventable mortality worldwide, projected to claim 1 billion lives in the twenty-first century.1 Tobacco prevalence rates are expected to decrease across all the WHO regions by 2025 as a result of tobacco control efforts. …"
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  5. 385

    Experimental studies on the biodiesel production parameters optimization of sunflower and soybean oil mixture and DI engine combustion, performance, and emission analysis fueled wi... حسب Elkelawy M.

    منشور في 2019
    "…70% biodiesel) were prepared to power a single cylinder diesel engine. The engine results as compared to diesel fuel, show a reduction in the rate of change of CO by 33.8% for D50B50. …"
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  6. 386

    Effect of anions on the structural, morphological and dielectric properties of hydrothermally synthesized hydroxyapatite nanoparticles حسب Sundarabharathi L.

    منشور في 2020
    "…For the particles obtained from nitrate, acetate, chloride and egg shell precursors respectively give dielectric constant (εʹ) values of 9.96, 13.22, 9.92 and 10.86 at 5 MHz. The εʹ and dielectric loss (εʹʹ) values for the HA nanoparticles decrease with increase in the applied frequency as well. …"
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  7. 387

    Food behavior changes during the covid-19 pandemic: Statistical analysis of consumer survey data from bosnia and herzegovina حسب Ben Hassen, Tarek

    منشور في 2021
    "…Addition-ally, the pandemic improved the awareness of Bosnians towards food with a decrease in food waste. Regarding diets, Bosnians tried to have healthier diets during the pandemic. …"
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  8. 388

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

    منشور في 2019
    "…Various contents of the encapsulated TiO2 nanotubes (1, 3 and 5 wt%) were thoroughly dispersed into the epoxy matrix and the resulting composites were then applied on a cleaned steel substrate using doctor blade technique to develop smart coatings. …"
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  9. 389
  10. 390

    Development of pH-Controlled Aluminum-Based Polymeric Gel for Conformance Control in Sour Gas Reservoirs حسب Shamlooh M.

    منشور في 2020
    "…The results reveal that aluminum acetate, among the screened salts, has a controllable gelation time at pH conditions between 3.5 and 8.5 and is the most stable in the temperature range 25–100 °C. …"
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  11. 391

    INVESTIGATION OF SPATIOTEMPORAL VARIABILITY AND CONTAMINATION OF PLASTIC MARINE DEBRIS IN QATAR’S COASTAL WATERS حسب Abayomi, Oyebamiji Abib

    منشور في 2015
    "…There has been a tremendous proliferation in plastic production in the last five decades due to its low cost and versatile applications. …"
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  12. 392

    Empower Generations: Longitudinal Study for National Capacities in Life Sciences and Healthcare حسب Althani, Asmaa Ali J.F.

    منشور في 2021
    "…As reported in 2012, a majority of the Qatari high-school students have shown a greater interest in business, technological, and administrative careers and a lower interest in healthcare. …"
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  13. 393

    Reinforcement of polyacrylamide-co-tert-butyl acrylate base gel using nanosilica for conformance control at low and high reservoir temperatures حسب Shamlooh M.

    منشور في 2020
    "…Therefore, this study introduces a new polymeric formulation that serves as a water shut-off agent for reservoirs at low and high temperatures. …"
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  14. 394

    Investigation of Spatiotemporal Variability of Microplastics in Qatar's Cstal Environment حسب Ben-Hamadou, Radhouane

    منشور في 2016
    "…There has been a tremendous proliferation in plastic production in the last five decades due to its low cost and versatile applications. …"
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  15. 395

    Effects of Climate and Atmospheric Nitrogen Deposition on Early to Mid-Term Stage Litter Decomposition Across Biomes حسب Kwon, Taeoh

    منشور في 2021
    "…In contrast, expected changes in atmospheric N deposition will decrease the mid-term mass loss of high-quality litter by 1.4-2.2% and that of low-quality litter by 0.9-1.5% in the temperate biome. …"
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  16. 396
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