Showing 101 - 120 results of 456 for search '(( 50 i decrease ) OR ( 5 ((((point decrease) OR (fold decrease))) OR (mean decrease)) ))', query time: 0.17s Refine Results
  1. 101

    Evacuated tube heat pipe solar collector for Encontech engine-driven reverse osmosis solar desalination by Takalkar, Gorakshnath

    Published 2020
    “…The maximum energetic efficiency of 52.5% is obtained for h vacuum (1 W/m2 K). Obtained results further demonstrate that the energetic and exergetic performances of the ETHPSC are higher at T i = 50°C. …”
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  2. 102

    Drive-up INR testing and phone-based consultations service during COVID-19 pandemic in a pharmacist-lead anticoagulation clinic in Qatar: Monitoring, clinical, resource utilization... by Alhmoud, Eman N.

    Published 2021
    “…Combined with teleclinics, using drive-up fingerstick International normalized ratio (INR) testing was recommended to decrease exposure risk of anticoagulation patients. …”
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  3. 103

    Trends in prevalence of depression and anxiety symptoms and effects of sociodemographic variables before and after the first wave of COVID-19 in Qatar by Khaled, Salma M.

    Published 2022
    “…Results The two-week prevalence of depressive symptoms (≥10 on the PHQ-9) was 6.6% in 2017 and 6.5% in 2020/2021 (p = 0.986). The two-week prevalence of anxiety symptoms (≥10 on the GAD-7) was 3.6% in 2018 and 5.1% in 2020/2021 (p = 0.062). …”
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  4. 104

    The Role of Qatar Community Pharmacists in Depression care: A Survey of Attitudes, Practices and Perceived Barriers by Shami, Rula

    Published 2020
    “…Responses were measured on a 5-point-Likert scale. Study outcomes were scores of attitudes towards depression, scores of self-reported depression care practices and perceived barriers for depression care. …”
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  5. 105

    The role of type II FB (I):Tl+ defect in laser light generation and color image formation at the low coordination surface sites of AgBr: Ab initio calculations by Shalabi, A.S.

    Published 2006
    “…The probability of orientational destruction of the two centers, attributed to the assumed saddle point ion configurations along the 〈1 1 0〉 axis, was found to decrease as the coordination number of the surface ions decreases. …”
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  6. 106

    Assessment of SnO2 nanoparticles' impact on local Pichoclorum atomus growth performance, cell morphology and metabolites content by Bounnit, Touria

    Published 2021
    “…Five different concentrations (1, 5, 25, 50 and 100mg/L) were tested and the culture was followed for 72h. …”
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  7. 107
  8. 108
  9. 109

    Limiting the Rise in Core Temperature During a Rugby Sevens Warm-up With an Ice Vest. by Taylor, Lee

    Published 2019
    “…Athletes in VEST had a lower ΔTc [mean (SD) VEST 1.3°C (0.1°C); CONTROL 2.0°C (0.2°C)] from pre-warm-up to post-warm-up [effect size (ES) ± 90% confidence limit; -1.54; ±0.62] and Tc peak [mean (SD) VEST 37.8°C (0.3°C); CONTROL 38.5°C (0.3°C)] at the end of the warm-up (-1.59; ±0.64) compared to CONTROL. …”
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  10. 110

    An experimental study on the effect of using gas-to-liquid (GTL) fuel on diesel engine performance and emissions by Bassiony, M. A.

    Published 2016
    “…The aim of this study was to experimentally compare the performance and emissions of a diesel engine fueled by GTL fuel, diesel, and a blend of GTL and diesel fuels with a mixing ratio of 1:1 by volume (G50) at various engine load and speed conditions. …”
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  11. 111
  12. 112

    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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  13. 113

    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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  14. 114

    The Effect of Hyperoxia on Central and Peripheral Factors of Arm Flexor Muscles Fatigue Following Maximal Ergometer Rowing in Men by Volianitis, Stefanos

    Published 2022
    “…Methods: In 11 competitive male rowers (age, 30 ± 4 years), we measured near-infrared spectroscopy determined frontal lobe oxygenation (ScO2) and transcranial Doppler ultrasound determined middle cerebral artery mean flow velocity (MCA Vmean) combined with maximal voluntary force (MVC), peak resting twitch force (Ptw) and cortical voluntary activation (VATMS) of the elbow flexor muscles using electrical motor point and magnetic motor cortex stimulation, respectively, before, during, and immediately after 2,000 m all-out effort on rowing ergometer with normoxia and hyperoxia (30% O2). …”
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  15. 115
  16. 116

    Response of cauliflower (Brassica oleracea L.) to nitric oxide application under cadmium stress by Jing, Ma

    Published 2022
    “…Our results illustrated that the increasing levels of Cd in the sand, significantly (P < 0.05) decreased shoot length, root length, shoot fresh weight, root fresh weight, shoot dry weight, root dry weight, germination percentage, germination index, mean germination time, time to 50% germination, chlorophyll a, chlorophyll b, total chlorophyll and carotenoid contents in all genotypes of B. oleracea. …”
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  17. 117

    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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  18. 118

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

    Published 2021
    “…All 9 blaOXA-48-type-gene-containing E. coli sequence type 38 (ST38) strains were isolated from patients without international travel history. 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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  19. 119

    Prophylactic antibiotics for preventing genital tract infection in women undergoing surgical procedures for incomplete abortion: a systematic review and meta-analysis of randomized... by Islam, Nazmul

    Published 2020
    “…Pooled estimates showed the risk of GTI following surgical procedures after incomplete abortion was significantly lower among those who had prophylactic antibiotics (RR=0.72; 95%CI 0.58-0.90; I =49%). There was no significant effect of antibiotics in women in low and middle income countries (3 studies, 3,579 participants, RR= 0.90; 95%CI 0.50-1.62; I =63%), while it was clinically and statistically significant among women high income countries (21 studies, 12,599 participants, RR=0.67; 95%CI 0.53-0.84; I =44%), with strong level of evidence as assessed by GRADE. …”
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  20. 120

    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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