يعرض 481 - 500 نتائج من 951 نتيجة بحث عن '(( 2020 due decrease ) OR ( 5 ((mean decrease) OR (((nn decrease) OR (a decrease)))) ))', وقت الاستعلام: 0.16s تنقيح النتائج
  1. 481
  2. 482
  3. 483
  4. 484

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

    منشور في 2016
    "…The objective of the study was to determine the effects of tobacco use on selected markers of health and lung function in professional athletes. 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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  5. 485

    Assessment of Urban Heat Islands Based on the Relationship Between Land Surface Temperature and Land Use/Land Cover in Greater Doha حسب Siddiqui, Simil Amir

    منشور في 2020
    "…Furthermore %LULC of built up, vegetation, barren land, marsh land and water body were 29%, 4.5%, 58.6%, 2.8% and 5% in 2000 and 56.5 %, 8.2%, 33.2 %, 0% and 2.1% in 2019 respectively. …"
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  6. 486

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

    منشور في 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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  7. 487

    Magnetorheological damper with external excitation for more efficient control of vehicles? dynamics حسب Sassi S.

    منشور في 2018
    "…The experimental tests made on the first prototype featuring this new technology was promising. The excitation of a set of 12 coils surrounding the body of the damper, by an electric current of 5 A, managed to increase the damping coefficient by up to 75%. …"
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  8. 488
  9. 489

    Impact of combined oil-in-water emulsions and particulate suspensions on ceramic membrane fouling and permeability recovery حسب Abdalla M.

    منشور في 2019
    "…The addition of 1500 mg·L−1 of bentonite to a 10 vol.% emulsion resulted in a permeability decrease of 3.55 times over that recorded for the emulsion, and 8–36 times lower than that of the bentonite suspension. …"
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  10. 490

    Fabrication of Selective Sensors for Hg2+ Traces in Water Using Graphene Decorated with Metal Nanoclusters حسب Ayesh, Ahmad I.

    منشور في 2016
    "…Two batches of sensors were tested in this work: i) sensors based on graphene only, and ii) sensors based on graphene and percolating films of Au nanoclusters, each has a thickness of 5 nm. For nanocluster deposition, each graphene sample was fixed on a cryostat finger. …"
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  11. 491
  12. 492

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

    منشور في 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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  13. 493

    Platelet Concentrate Treatments for Temporomandibular Disorders: A Systematic Review and Meta-analysis حسب Al-Hamed F.S.

    منشور في 2021
    "…Methods: PubMed, Cochrane, and Scopus were searched up to March 6, 2020. Inclusion criteria were randomized clinical trials (RCTs). …"
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  14. 494

    Correlation between delta-endotoxin and proteolytic activities produced by Bacillus thuringiensis var. kurstaki growing in an economic production medium حسب Ennouri, Karim

    منشور في 2013
    "…Maximal protease activity (540-2468 UI) obtained by BUPM5-1 and BUPM5-2 was 2.34-fold and 10.7-fold, respectively, more than that obtained by the wild strain BUPM5 with a drastic decrease of their delta-endotoxin production. …"
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  15. 495
  16. 496
  17. 497

    Analysis of dopant diffusion in molten germanium induced by pulsed nd : yag laser حسب Mousa, Ali M. [علي مطشر موسى]

    منشور في 1995
    "…Doped sample Tann = 200- 500 C for time t mn = 45 subjected to subsequent thermal annealing (at the temperature and to plused leacr annealing (en<5rgy density in a min) pluse E=5.2 - 9.5 J/cm2) in order to establish optimal condition. …"
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  18. 498
  19. 499

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

    منشور في 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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  20. 500

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

    منشور في 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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