Showing 361 - 380 results of 772 for search '(( 50 ((nn decrease) OR (a decrease)) ) OR ((( a system decrease ) OR ( 5 cm decrease ))))*', query time: 0.19s Refine Results
  1. 361

    Tobacco Use and Its Health Effects among Professional Athletes in Qatar by Chaabane, Zaina

    Published 2016
    “…A total of 108 male professional athletes participated in the study from ten ball game teams in the same sport league in Qatar (age = 26.4 ± 5.1 yrs, height = 190.6 ± 11.9 cm, and weight = 91.5 ± 16.4 kg). …”
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  2. 362

    Study the efficiency of Ultrasonic Technology in Removal of Algae from Surface Waters by Maarouf, Alaa

    Published 2024
    “…The dominant algae genus was identified using a light microscope, and ultrasound waves with a low frequency of 40 kHz and a power density of 0.024 W/cm³ were applied at different time intervals (0 – 80 minutes) at time intervals of 5 minutes. …”
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  3. 363

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

    Published 2016
    “…For each sampling, sediments from the top 2 cm were collected at the most recent high tidal mark on shore from a square area (0.5 0.5 m) along the shore line. …”
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  4. 364

    Concrete Pavement Truck Equivalence Factors For Upgrades by Razouki, Sabah Said

    Published 1999
    “…Three values for terminal levels of serviceability of 2, 2.5 and 3 were considered. The paper reveals that the upgrade truck equivalence factors increase as the upgrade slopes as well as slabs thickness increase. …”
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  5. 365

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

    Published 2020
    “…Following EF pretreatment, the pH, conductivity, soluble chemical oxygen demand (SCOD), and volatile fatty acids (VFA) increased to 7.5, 13.72 mS/cm, 4.1 g/L, and 925 mg/L, respectively. …”
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  6. 366

    Dynamic Salmonella Enteritidis biofilms development under different flow conditions and their removal using nanoencapsulated thymol by Yammine, Jina

    Published 2022
    “…Enteritidis biofilms displayed 5.96, 6.28 and 6.80 log CFU cm−2 under 0.006 cm s−1, 0.045 cm s−1, and 0.087 cm s−1 flow velocities, respectively. …”
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  7. 367

    Influence of nitrogen doping on the electrocatalytic activity of Ni-incorporated carbon nanofibers toward urea oxidation by Barakat, Nasser A.M.

    Published 2017
    “…However, the electrochemical measurements indicated that the content of the urea in the initial electrospun solution should be optimized as the results showed that the best nickel surface activation as well as the maximum observed current density can be achieved when the urea content is kept at 5 wt%. Typically, the observed current densities using 1.0 M urea (in 1 M KOH) were 3.15, 29.7, 13.75, 47.55, 14.13 and 9.85 mA/cm2 for the nanofibers obtained from electrospun solutions having 0, 1, 2, 5, 7 and 9 wt% urea, respectively. …”
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  8. 368

    Biodegradable polysaccharide grafted polyacrylamide inhibitor for corrosion in CO2- saturated saline solution by Jalab, Rem

    Published 2023
    “…Lastly, potentiostatic testing of steel with AGGPAM at an applied potential of 50 mV illustrated surface protection and decreased current over a prolonged time. …”
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  9. 369
  10. 370

    Cold Plasma as Effective Tool for Aluminum Surface Cleaning by Popelka, Anton

    Published 2016
    “…One of the most popular uses of Al is in the packaging industry. Moreover, it plays a main role in the construction, such as aluminum composite panel. …”
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  11. 371

    Effect Of The Apical Ectodermal Ridge On Mitotic Index In Hind Limb Bud Mesenchyme In Bufo Regularis by Abdel Karim, Ahmed E.

    Published 1991
    “…The operated bud (80% of cases) showed a decrease in its volume and there was no significant difference in mesenchyme MI. …”
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  12. 372

    Mixed Solid Municipal Waste-Based Biochar for Soil Fertility and Greenhouse Gas Mitigation by Bansode, Rishipal

    Published 2016
    “…Municipal solid waste management is one of the major challenges facing Qatar with more than 2.5 million tons of municipal solid waste each year, a very high waste generation rate in a country with small land mass. …”
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  13. 373
  14. 374

    An enhanced distance-dependent electric field model for contact-separation triboelectric nanogenerator: Air-breakdown limit as a case study by Ahmed, Anas A.

    Published 2023
    “…It shows a monotonical decrease from 51.94 to 33.59 µC/m2 with a lateral size increase from 0.5 to 10 cm. …”
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  15. 375
  16. 376

    Synthesis and characterization of stir casted Cu-ZrO2-Graphite hybrid metal matrix composites for thermal management structures by Mittal, Prateek

    Published 2022
    “…ZrO2 and Graphite reinforcements were added (0.5–0.5, 1.0–1.0, 1.5–1.5 and 2.0–2.0 wt %) in the four composite samples prepared via stir casting. …”
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  17. 377

    Experimental investigation of the influence of grain geometry on residual NAPL using synchrotron microtomography by Al-Raoush, Riyadh I.

    Published 2014
    “…Within a system composed of grains with similar shape characteristics, total NAPL-water interfacial area increases as grain sizes decrease where a large number of small blobs are trapped. …”
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  18. 378

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

    Published 2021
    “…Through performance tests, it was found that 15 ml of n-pentane per liter was the best addition as it caused an increase in the brake thermal efficiency of 7.1% and a decrease in brake specific fuel consumption of 6.4% compared to the elegant B50. …”
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  19. 379

    Uncovering the Epigenetic Contribution of Protein Arginine Methyltransferase 5 (PRMT5) during Zebrafish Cardiomyogenesis by Zakaria, Zain Zaki

    Published 2020
    “…This was accompanied by a moderate decrease in blood flow (20%), significantly higher decrease in general cardiac output (65%), and reduction in red blood cells count (50%). …”
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  20. 380

    Specific Bioactive Compounds from Ginger, Tea, and Apple Prevent Diabetes-Related Cataract Via Inhibition of Aldose Reducatse by Ahmedna, Mohamed

    Published 2016
    “…Results show that cell viability decreased to 93 ± 3%, 83 ± 6%, 65 ± 4% and 39 ± 3% at 10, 25, 50 and 100 mM of glucose on day 1 with further drastic decrease in cell viability to 73 ± 5%, 61 ± 3%, 35 ± 2%, and 11 ± 6%, respectively, on day 4 compared to the untreated cell. …”
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