Showing 481 - 500 results of 1,062 for search '(( a d decrease ) OR ( 5 ((((ng decrease) OR (a decrease))) OR (mean decrease)) ))', query time: 0.20s Refine Results
  1. 481

    Effects of soaking, acidity and temperature on cadmium and lead removal from rice by Al-Naimi M.

    Published 2020
    “…A decrease in lead and cadmium concentrations were observed with increasing time of soaking. …”
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  2. 482
  3. 483
  4. 484

    Evaluation of different personalized ventilation air terminal devices: Inhalation vs. clothing-mediated exposures by Al Assaad, Douaa

    Published 2021
    “…Increasing the flow to 10 l/s led to reductions of 89% in exposure and 56.5% in deposition. A VDG delivering 5 l/s reduced exposure by 33% while deposition reduction was negligible at 3%. …”
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  5. 485

    Recycled Concrete Used in Subbase in Potential Use for Road Base and Cement Bounded Material (CBM) by Ahmad, Hassan Haidar

    Published 2020
    “…This paper will focus on the fine recycled concrete (FRC) 0-5 mm as a fine aggregate material in the mix design for constructing the base road layers under the Asphalt layers and how using crushed concrete can increase the quality and change the classification of the base aggregate mixes. …”
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  6. 486

    Effect of hyperglycemia on EPCs function and regenerative ability by Hendawi, Hadeel Khalil

    Published 2020
    “…For that, we studied BOECs viability, response to shear stress, angiogenesis ability, and barrier function under normoglycemic (5.5mM) and hyperglycemic (25mM) conditions. The results have shown significant effects of chronic hyperglycemic conditions on cell proliferation (n=3, p<0.05), and migration (n=3, p<0.05) which were decreased when compared to control. …”
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  7. 487

    Forecast of the outbreak of COVID-19 using artificial neural network: Case study Qatar, Spain, and Italy by Shawaqfah M.

    Published 2021
    “…The model sensitivity was analyzed using the root mean square error (RMSE), the mean absolute percentage error and the regression coefficient index R2, which yielded highly accurate values of the predicted correlation for the infected and dead cases of 0.99 for the dates considered. …”
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  8. 488
  9. 489

    Development of Internally Pressurized Composite/Metallic/Composite Hybrid Pipes by Alabtah, Fatima Ghassan

    Published 2021
    “…Both corrosion and abrasion cause significant losses and decrease the structural integrity of pipelines. This work proposes a corrosion-free hybrid pipe, which will improve the pipeline’s pressure capacity and eliminate internal and external corrosion. …”
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  10. 490

    High-Rate Anaerobic Digestion of Waste Activated Sludge by Integration of Electro-Fenton Process by Feki, Emna

    Published 2020
    “…Production of biogas was also found to improve during semi-continuous fermentation of EF-pretreated sludge conducted in a lab-scale reactor. In comparison to raw sludge, EF-pretreated sludge produced the highest biogas yield (0.81 L biogas/g VS) with a high COD removal rate, reaching 96.6% at an organic loading rate (OLR) of 2.5 g VS/L. d. …”
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  11. 491

    Influence of shelf-life duration on mechanical, thermal and shape recovery motion derivatives of shape memory polyurethane by Vasavi, Boggarapu

    Published 2024
    “…In addition, Differential scanning calorimetry (DSC)exhibited a decrease in glass transition temperature (Tg) from S1 to S10, resulting in a corresponding reduction in the rate of shape restoration. …”
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  12. 492
  13. 493

    Thermo-economic assessment of forward osmosis as pretreatment to boost the performance and sustainability of multi-effect distillation for seawater desalination by Ortega-Delgado, B.

    Published 2022
    “…Results show that using FO pretreatment in a 100 m3/d MED plant of 8 effects at 65 °C allows increasing the heating steam temperature up to 100 °C and the number of effects to 16 without increasing the risk of scaling. …”
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  14. 494

    Influence of anionic surface modifiers on the thermal stability and mechanical properties of layered double hydroxide/polypropylene nanocomposites by Yang, J.H.

    Published 2015
    “…Organo-layered double hydroxide/polypropylene (LDH/PP) nanocomposites were successfully synthesized via a solution blending method. As an attempt to improve the compatibility with hydrophobic PP, the LDH surface was modified by the incorporation of various anionic surfactants via electrostatic interaction with LDH cationic layers. …”
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  15. 495

    Assessment of SnO2 nanoparticles' impact on the growth of Picochlorum maculatum algae by Bounnit, Touria

    Published 2022
    “…To determine the effect of SnO2 nanoparticles on Picochlorum maculatum - isolated from a Qatar marine environment, algal growth media are amended with different nanoparticle concentrations (1, 5, 25, 50, and 100 mg L−1) and the culture was observed for 72 h. …”
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  16. 496

    Undrained interface shear strength of fine-grained soils for near-shore marine pipelines by Eid, Hisham T.

    Published 2020
    “…The peak and residual interface shear strengths for a variety of normally consolidated soils were measured using a torsional ring shear apparatus modified to suit soil and interface testing under the undrained condition, which is usually prevalent at soil-marine pipeline interfaces. …”
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  17. 497

    Synthesis of Metallocene Catalyzed Ethylene 1,7-Octadiene Copolymer: Effect of Copolymerization on Polymer Properties by Rahaman M.

    Published 2018
    “…The molecular weight, melting temperature (Tm), d-spacing, crystallite size, and % crystallinity (% Xc) decrease with the increase in comonomer content. …”
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  18. 498
  19. 499

    Pharmacologic inhibition of hypoxia-inducible factor (HIF)-hydroxylases ameliorates allergic contact dermatitis by Manresa M.C.

    Published 2019
    “…Background When an immune cell migrates from the bloodstream to a site of chronic inflammation, it experiences a profound decrease in microenvironmental oxygen levels leading to a state of cellular hypoxia. …”
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  20. 500

    Influenza prevalence and vaccine efficacy among diabetic patients in Qatar by Swapna, Thomas

    Published 2023
    “…Among the typed IVA-positive cases, 33.4% were H1N1, and 7.7% were H3N2. A significant decrease in influenza infections was reported in vaccinated DM patients (14.5%) when compared to non-vaccinated patients (18.9%) (p-value = 0.006). …”
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