يعرض 381 - 400 نتائج من 988 نتيجة بحث عن '(( 5 ((((steel decrease) OR (a decrease))) OR (nn decrease)) ) OR ( 2020 have decrease ))', وقت الاستعلام: 0.19s تنقيح النتائج
  1. 381

    Radiofrequency Ablation Versus Antiarrhythmic Drug Therapy for Atrial Fibrillation: Meta-analysis of Safety and Efficacy حسب Yi F.

    منشور في 2019
    "…BACKGROUND: Radiofrequency ablation (RFA) and antiarrhythmic drugs (AADs) are the main treatments used for atrial fibrillation (AF). In recent years, a number of articles comparing the 2 treatments have begun to emerge. …"
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  2. 382

    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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  3. 383
  4. 384
  5. 385
  6. 386

    High temperature thermal stability of innovative nanostructured thin coatings for advanced tooling حسب Cabibbo, Marcello

    منشور في 2014
    "…The main problem with steel, isthat itexhibits a relatively low hardness (below 10 GPa) which strongly decreases upon annealing above about 600 K.Thus, the majority of modern tools are nowadays coated with hard coatings that increase the hardness, decrease the coefficient of friction and protect the tools against oxidation. …"
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  7. 387

    Food shopping, preparation and consumption practices in times of COVID-19: case of Lebanon حسب Ben Hassen, Tarek

    منشور في 2022
    "…Indeed, the study outcomes suggested (1) a move toward healthier diets; (2) a rise in the consumption of domestic products due to food safety concerns; (3) a change in the grocery shopping behaviors (with a rise in online shopping); (4) a surge of food stockpiling; and (5) a decrease in household food wastage. …"
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  8. 388
  9. 389

    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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  10. 390
  11. 391

    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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  12. 392

    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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  13. 393

    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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  14. 394

    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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  15. 395
  16. 396

    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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  17. 397

    Effect of electroless bath composition on the mechanical, chemical, and electrochemical properties of new NiP-C 3 N 4 nanocomposite coatings حسب Fayyad E.M.

    منشور في 2019
    "…An electroless bath of 0.5 g L−1 C3N4 offered a nanocomposite coating with the highest microhardness and superior corrosion resistance. …"
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  18. 398

    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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  19. 399

    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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  20. 400

    Self-healing performance of smart coatings modified with different corrosion inhibitors. حسب Habib, Sehrish

    منشور في 2020
    "…EIS measurements revealed the decent corrosion inhibition efficiency of these inhibitors in order of DDA>NMTU. As a result, they are a favorable solution for longer endurance of coated piping steel and decreased operation expense contributing to economic saves, materials reliability and safety…"
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