Showing 501 - 520 results of 1,186 for search '(( 10 12 decrease ) OR ( 5 ((((point decrease) OR (fold decrease))) OR (a decrease)) ))', query time: 0.18s Refine Results
  1. 501

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

    Published 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. 502

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

    Published 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. 503

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

    Published 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. 504
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    Structural performance and moment redistribution of basalt FRC continuous beams reinforced with basalt FRP bars by Abushanab, Abdelrahman

    Published 2021
    “…This study investigated the structural performance and moment redistribution of basalt fiber reinforced concrete (BFRC) continuous beams reinforced with basalt fiber reinforced polymers (BFRP) bars. A total of 10 reinforced concrete (RC) continuous beams over two equal spans of 1800 mm were tested under five-point loading until failure. …”
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  6. 506

    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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  7. 507
  8. 508

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

    Published 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. 509

    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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  10. 510

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

    Published 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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  11. 511

    The Interference of Notch1 target Hes1 affects cell growth, differentiation and invasiveness of glioblastoma stem cells through modulation of multiple oncogenic targets by Cenciarelli, Carlo

    Published 2017
    “…Herein, we report that exposure to a Stat3/5 inhibitor, induced apoptosis either in shHes1-CSC or control cells. …”
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  12. 512

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

    Published 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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  13. 513

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

    Published 2020
    “…Results showed that both acute and chronic hyperglycemia showed a trend towards decrease in phosphorylation of eNOS and Akt. …”
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  14. 514

    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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  15. 515

    Use Of Cement By-Pass Dust In Soil Stabilization by Taha, Ramzi

    Published 2001
    “…Mixtures were subjected to the following tests: (1) Atterberg limits, (2) pH, (3) compaction, (4) California Bearing Ratio (CBR), (5) swell percent, and (6) swell pressure. Results indicate that as cement by-pass dust content increases, the swell percent and maximum dry density decrease while the pH and CBR values tend to increase. …”
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  17. 517

    Monovalent Anion Interaction on the Electron Flow of Photosystem II in Soyabean Cells by El Shintinawy, Fatma [فاطمة على الشنتناوي]

    Published 1994
    “…Steady state of electron transport measurements from water to DMQ (2, 5 - dimethyl - P- benzoquinone) show a maximum bicarbonate effect (about four fold stimulation) following the addition of 5 mM HCO"3 to the previously 25 mM (formate or nitrate) treated cells at pH 6.7. …”
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