يعرض 521 - 540 نتائج من 1,030 نتيجة بحث عن '(( 50 i decrease ) OR ( 5 ((((fold decrease) OR (point decrease))) OR (a decrease)) ))', وقت الاستعلام: 0.22s تنقيح النتائج
  1. 521

    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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  2. 522

    Shear Behavior of Green Concrete Beams Reinforced with Basalt FRP Bars and Stirrups. حسب Elahtem, Ayman Ahmed

    منشور في 2020
    "…The parameters investigated in this study are span to depth ratio (i.e. a/d =2.5 and 3.5), reinforcement ratio , stirrups spacing effect (i.e. 250 mm and 350 mm) and stirrups type (Steel and Basalt). …"
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  3. 523

    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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  4. 524

    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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  5. 525

    Sensitization to common food and inhalant allergens in children attending Allergy and Asthma Pediatric Clinic in Doha, Qatar حسب Kerkadi, Abdelhamid

    منشور في 2009
    "…Of children with FA, 37.5% were sensitized to IA. A statistically significant association between FA and IA was observed (OR:1.82; 95% CI: 1.15-2.88; P = 0.001), 76.9 and 75% sensitized to IA and FA, respectively, reported family history of allergy. …"
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  6. 526

    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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  7. 527
  8. 528

    Mechanical properties of gamma irradiated TiO2NPs/MWCNTs/LDPE hybrid nanocomposites حسب Zagho M.M.

    منشور في 2020
    "…Furthermore, the % of the total elongation at break is decreased after incorporating MWCNTs. The % of the total elongation at break after exposure to a dosage of 25 kGy was reduced as a result of chain scissions and molecular weight decrease. …"
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  9. 529
  10. 530
  11. 531

    Comparison of performance and health indicators between perimenopausal and postmenopausal obese women: the effect of high-intensity interval training (HIIT). حسب Jabbour, Georges

    منشور في 2020
    "…This study examined the effects of 6 weeks of high-intensity interval training (HIIT) on performance and health indicators in obese perimenopausal (PERIM) women and similarly aged and older postmenopausal women (POSTM1 and POSTM2, respectively). Sixteen PERIM women (average age 49.6 y), 21 POSTM1 women (average age 50.6 y), and 19 POSTM2 women (average age 69.6 y) completed a 6-week HIIT intervention. …"
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  12. 532

    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. 533

    Fecal Carriage and Molecular Characterization of Carbapenemase-Producing Enterobacterales in the Pediatric Population in Qatar حسب Pérez-López, Andrés

    منشور في 2021
    "…The mean quarterly incidence of fecal carriage decreased more than 6-fold after the implementation of coronavirus disease 2019 (COVID-19)-related international travel restrictions in Qatar in mid-March 2020. …"
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  14. 534

    Application of Fe3O4 magnetite nanoparticles grafted in silica (SiO2) for oil recovery from oil in water emulsions حسب Elmobarak W.F.

    منشور في 2021
    "…An excellent %ηdem ≥ 90% was achieved Coil in the range 50–2000 mg/L. Using an MDdose as low as 10 mg/L attained a %ηdem in the range of 93%–94.3% for O/W mixtures with Coil < 2000 mg/L, which slightly decreased to ∼90% for higher concentrations. …"
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  15. 535
  16. 536
  17. 537

    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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  18. 538
  19. 539

    Investigation of the rheological properties of nanosilica-reinforced polyacrylamide/polyethyleneimine gels for wellbore strengthening at high reservoir temperatures حسب Shamlooh M.

    منشور في 2019
    "…Gel strength was observed to increase upon increasing the size of nanosilica initially, and then, it has decreased which gave an optimum nanosilica size of 50 nm. …"
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  20. 540

    Effect of Hyperglycemia on eNOS function in EPCs حسب Elshiekh, Duaa Ibnomer

    منشور في 2020
    "…Results showed that both acute and chronic hyperglycemia showed a trend towards decrease in phosphorylation of eNOS and Akt. …"
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