Showing 641 - 660 results of 1,783 for search '(( 25 c decrease ) OR ( 10 ((peter decrease) OR (((nn decrease) OR (a decrease)))) ))*', query time: 0.15s Refine Results
  1. 641

    The Structure of the Free Volume in Poly(styrene-co-acrylonitrile) from Positron Lifetime and Pressure Volume Temperature (PVT) Experiments by Dlubek, Gunter

    Published 2004
    “…Summary: The structure of the free volume and its temperature dependence between 25 and 190 °C of copolymers of styrene with acrylonitrile, SAN (0 to 50 mol-% AN), is studied by pressure volume temperature (PVT) experiments and positron annihilation lifetime spectroscopy (PALS). …”
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  2. 642

    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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  3. 643
  4. 644

    Thermal characterization of phase change materials based on linear low-density polyethylene, paraffin wax and expanded graphite by Sobolciak, Patrik

    Published 2016
    “….% of paraffin wax was investigated in the temperature range 25–35 °C, they exhibited a drop in Qsens from 31 to 24 J/g depending on the concentration of EG. …”
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  5. 645
  6. 646

    Development of pH-Controlled Aluminum-Based Polymeric Gel for Conformance Control in Sour Gas Reservoirs by Shamlooh M.

    Published 2020
    “…The results reveal that aluminum acetate, among the screened salts, has a controllable gelation time at pH conditions between 3.5 and 8.5 and is the most stable in the temperature range 25–100 °C. PAM/AlAc system has a gelation time of around 50 min at 75 °C making it suitable for near-wellbore treatments, while the gelation time increased to 80 min upon increasing the pH of the system from 4.1 to 4.6. …”
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  7. 647

    The electrolytic treatment of synthetic urine using DSA electrodes by Sondos, Dbira

    Published 2015
    “…The most efficient conditions were found to be low current densities (20Ahdm−3) and low temperatures (25°C), which in addition prevents the formation of chlorate and perchlorate ions in the reaction system.…”
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  8. 648
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  10. 650

    Heat stress impairs proprioception but not running mechanics by Mtibaa K.

    Published 2019
    “…Step frequency decreased (−2.5 ± 3.6%) and step length increased (+2.6 ± 3.8%) over time (p < 0.05), independently of condition. …”
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  11. 651

    Effects of combined calcium hypochlorite and chlorine dioxide on drinking water quality in Qatar and disinfection by-products formation by Mohamed, Elsamoul H.

    Published 2017
    “…The bottles were spiked with Ca(ClO)2 in sequence to give concentration of 0.2, 0.4, 0.6, 0.8, 1.0, and 1.2 mg/L as free chlorine. The mixtures were stored for 7 days at 25°C in the dark then heated to 45°C for two days more, and analyzed daily for physical and chemical parameters. …”
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  12. 652
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  15. 655
  16. 656

    Application of magnetic nanoparticles for the removal of oil from oil-in-water emulsion: Regeneration/reuse of spent particles by Elmobarak W.F.

    Published 2021
    “…Up to 98.6% of the %Roil was attained for Coil in the range from 0 to 800 mg/L using only a DMNP of 10 mg/L. A lower DMNP of 5 mg/L recovered up to 55.6% of the oil, while increasing the DMNP > 50 mg/L did not significantly affect the %ηdem nor the %Roil. …”
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  17. 657

    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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  18. 658

    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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  19. 659

    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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  20. 660

    Symbiotic dinoflagellates associated with corals in Qatar: characterization and physiological response to environmental change by Eldos, Haneen Ibrahim

    Published 2017
    “…Finally, Porites lutea showed the highest decrease in photosynthetic activity at 35°C. No decrease in photosynthetic activity was detected at 30°C for the three species. …”
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