Showing 621 - 640 results of 1,761 for search '(( 300 c decrease ) OR ( 10 (((meer OR peter) decrease) OR (((nn decrease) OR (a decrease)))) ))*', query time: 0.19s Refine Results
  1. 621
  2. 622

    Production and investigation of flexible nanofibers of sPEEK/PVP loaded with RuO2 nanoparticles by Chamakh, Mariem

    Published 2021
    “…The samples were synthesized with different concentrations of hydrous ruthenium chloride of 2 wt%, 5 wt%, and 10 wt%, and then annealed at a temperature of 300C for 4 h to form the ruthenium oxide nanoparticles. …”
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  3. 623

    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
    “…The data for 2020/21 showed a 35.1% and 29.2% decrease in depression and anxiety symptoms scores compared to pre-pandemic years (2017/2018) after adjusting for sociodemographic factors. …”
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  4. 624

    Tailoring electrocatalytic properties of Pt nanoparticles grown on Ti3C2Tx MXene surface by Filip, Jaroslav

    Published 2019
    “…Composites containing 14 wt% Pt showed HER with an onset potential of −75.9 mV and a current density of −10 mA cm−2 achieved at −226 mV. …”
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  5. 625

    Prospects of Biocrude Production Potential from Local Diatom by Al-Namimi, Sara Mohammed

    Published 2020
    “…A marine diatom Nitzchia reversa was grown in 5 sq. m open raceway pond (10 cm culture depth, 500 L culture volume) in the Qatari desert environment. …”
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  6. 626

    Foamed phase change materials based on recycled polyethylene/paraffin wax blends by Sobolčiak, Patrik

    Published 2021
    “…Differential Scanning Calorimetry was used to determine the specific enthalpies of melting (22.4–25.1 J/g) what is the latent heat of materials utilized during a heat absorption. A stability of samples during 10 heating/cooling cycles was demonstrated. …”
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  7. 627

    Influenza prevalence and vaccine efficacy among diabetic patients in Qatar by Swapna, Thomas

    Published 2023
    “…Among DM patients, influenza was the most prevalent respiratory pathogen at 48.9%. Influenza virus A (IVA) was the most circulating type, contributing to 38.4%, followed by IVB contributing to 10.4% of total respiratory infections. …”
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  8. 628

    Influenza prevalence and vaccine efficacy among diabetic patients in Qatar by Swapna, Thomas

    Published 2023
    “…Among DM patients, influenza was the most prevalent respiratory pathogen at 48.9%. Influenza virus A (IVA) was the most circulating type, contributing to 38.4%, followed by IVB contributing to 10.4% of total respiratory infections. …”
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  9. 629

    Association Between Sleep Duration, Food Consumption Patterns and Obesity Among Adolescents in Qatar by Mohammed, Sara

    Published 2020
    “…Multiple regression analysis revealed that as the WC and BMI increased, consumption of healthy eating pattern decreased by 25% and 10 % respectively (p<0.001) Conclusion: Lack of sufficient sleep and decreased consumption of healthy foods have an association with increased risk of being obese among adolescents…”
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  10. 630

    Tribo-Mechanical, Biocompatibility, and Corrosion Properties Investigation of Zirconium and SST 304 by Application of Hydroxyapatite/Reduced Graphene Oxide/Palladium-Platinium Nano... by AlYafei, Huda Fadol S.

    Published 2020
    “…In addition, the HA/rGO/Pd-coated SST 304 and the HA/rGO/Pt-coated zirconium substrates were annealed at different temperatures (200, 300, 400, and 600 oC) to investigate their corrosion and wear behaviors. …”
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  11. 631

    Conversion of Organic Municipal Wastes into Biochars and their Effect on Fertility Parameters of Normal and Sabkha Soils of Qatar by Ahmedna, Mohamed

    Published 2016
    “…Four feedstocks [paper, landscape waste, wood, and a mixture of all three) were pelletized, dried, and used as precursors for the production of biochars following a 4 × 3 × 3 factor factorial design consisting of the type of precursor (four different municipal solid organic precursors), pyrolysis temperatures (300, 500, and 750°C) and residence time (2, 4, and 6 hours). …”
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  12. 632

    Thermal and mechanical stability of microwave sintered cold compact bismuth telluride thermoelectric material by Farheen F., Jaldurgam

    Published 2022
    “…The compacted pellets were sintered in a microwave at 250 °C and 300 °C. Thermogravimetric analysis (TGA), and differential scanning calorimeter (DSC) analysis were performed to study the thermal stability, and nanoindentation, compression test, and microhardness tests were done for mechanical stability. …”
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  13. 633

    Hydrogen Production via Ethanol Decomposition over Bimetallic Catalyst by Ashok, Anchu

    Published 2016
    “…Ethanol decomposition over bimetallic CuCo were conducted using in situ diffuse reflectance infrared fourier transform spectroscopy (DRIFT) study under N2 flow at different temperatures (50, 100, 200, 300, 400°C). Temperature-time profile of CuCo shows an increase in combustion temperature with increase in fuel ratio with maximum temperature at φ = 1 (stoichiometric ratio) and after that it decreases. …”
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  14. 634

    Protein arginine methyltransferase 5 (PRMT5) promotes survival of lymphoma cells via activation of WNT/B-catenin and AKT/GSK3B proliferative signaling by Chung, Jihyun

    Published 2019
    “…We show that PRMT5 stimulates WNT/B-CATENIN signaling through direct epigenetic silencing of pathway antagonists, AXIN2 and WIF1, and indirect activation of AKT/GSK3 signaling.PRMT5 inhibition with either shRNA-mediated knockdown or a specific small molecule PRMT5 inhibitor, CMP-5, not only leads to derepression of WNT antagonists and decreased levels of active phospho-AKT (Thr-450 and Ser-473) and inactive phospho- GSK3B (Ser-9) but also results in decreased transcription of WNT/B-CATENIN target genes, CYCLIN D1, c-MYC, and SURVIVIN, and enhanced lymphoma cell death. …”
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  15. 635
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    Investigation of the rheological properties of nanosilica-reinforced polyacrylamide/polyethyleneimine gels for wellbore strengthening at high reservoir temperatures by Shamlooh M.

    Published 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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