يعرض 1 - 20 نتائج من 38 نتيجة بحث عن '(( 50 ppm decrease ) OR ((( 50 μ decrease ) OR ( 50 mg decrease ))))', وقت الاستعلام: 0.11s تنقيح النتائج
  1. 1

    Effect of Mg incorporation on the properties of PCL/Mg composites for potential tissue engineering applications حسب Sumama Nuthana Kalva (19206064)

    منشور في 2024
    "…However, the elastic modulus decreased by around 50% for the same composition. The thermal study revealed a significant reduction in the degradation temperature from above 400°C for pure PCL to around 300°C for PCL/Mg composite having 15% Mg. …"
  2. 2

    Solar hydrogen production via thermochemical magnesium oxide – Magnesium sulfate water splitting cycle حسب Rahul R. Bhosale (6467102)

    منشور في 2020
    "…Overall analysis confirms that although the rise in the molar flow rate of Ar from 1 to 50 mol/s results in a decrease in the thermal reduction temperature from 1490 K to 1282 K, the solar-to-fuel energy conversion efficiency is adversely affected and reduces from 47.7% to 18.1%. …"
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    Impact of trace noble metals on the catalytic performance of LaNiMgO towards methane dry reforming حسب Mohamed, Assem T.

    منشور في 2024
    "…On the other hand, LaNiMgO-Pd depicted rapid decay in the CO2 conversion from 68.3 % to 49.3 % and the CH4 conversion felled from 66.5 % to 41.5 % after 50h. …"
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  5. 5

    Impact of trace noble metals on the catalytic performance of LaNiMgO towards methane dry reforming حسب Yahia H. Ahmad (14340210)

    منشور في 2024
    "…On the other hand, LaNiMgO-Pd depicted rapid decay in the CO<sub>2</sub> conversion from 68.3 % to 49.3 % and the CH<sub>4</sub> conversion felled from 66.5 % to 41.5 % after 50h. …"
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    Ecotoxicological Assessment of Thermally- and Hydrogen-Reduced Graphene Oxide/TiO<sub>2</sub> Photocatalytic Nanocomposites Using the Zebrafish Embryo Model حسب Halema Al-Kandari (6316961)

    منشور في 2019
    "…However, no significant mortality was detected at all concentrations used in the acutoxicity assay (up to1000 mg/L), thus indicating a hypothetical LC<sub>50</sub> higher than 1000 mg/L. …"
  8. 8

    Oxidative stress cytotoxicity induced by platinum-doped magnesia nanoparticles in cancer cells حسب Mohamed Qasim Al-Fahdawi (17844209)

    منشور في 2021
    "…Pt/MgO nanoparticles were cuboid and in the nanosize range of 30–50 nm. …"
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    Excess pCO<sub>2</sub> and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf) حسب Connor Izumi (17337868)

    منشور في 2022
    "…Its values in the Gulf ranged from −50 to −310 μmol kg<sup>−1</sup> implying CaCO<sub>3</sub> precipitation. …"
  11. 11

    Salicylic acid restricts mercury translocation by activating strong antioxidant defense mechanisms in sweet pepper (Capsicum annum L.) حسب Muhammad Fasih Khalid (10652246)

    منشور في 2023
    "…So, the experiment was designed to assess the effect of SA on sweet pepper (Capsicum annum L.) seedlings grown under different Hg toxicity concentrations. Spraying of 100 μ M SA at three different Hg levels, i.e., 0 μ M, 50 μ M, 100 μ M, and 150 μ M. …"
  12. 12

    Effects of polyphenol‐rich traditional herbal teas on obesity and oxidative stress in rats fed a high‐fat–sugar diet حسب Neelam Iftikhar (14778400)

    منشور في 2023
    "…Total phenolic contents (TPC) of <i>Hibiscus rosa-sinensis</i> and <i>Zingiber officinalis</i> extracts were found to be 5.82 and 1.45 mg/g of dry plant material, measured as GAE, while total flavonoid contents (TFC) were 9.17 and 1.95 mg/g of dry plant material, measured as CE, respectively. …"
  13. 13

    Dietary Curcumin Nanoparticles Improve Growth Performance, Oxidative Status and Immune Response of European Seabass (<i>Dicentrarchus Labrax</i>) حسب Albandari Bin-Ammar (16381128)

    منشور في 2024
    "…Fish (n = 300, initial body weight = 10.02 g ± 0.11 g) received supplementary CURNPs at rates of 0 (control; CURNPs0), 50 (CURNPs50), 100 (CURNPs100) and 150 (CURNPs150) mg/kg diet for 90 days. …"
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    Novel thiazolones for the simultaneous modulation of PPARγ, COX-2 and 15-LOX to address metabolic disease-associated portal inflammation حسب Mai S. El-Shoukrofy (19646815)

    منشور في 2025
    "…Notable COX-2 inhibitory activities (IC<sub>50</sub> = 0.065–0.24 μM) were observed relative to celecoxib (IC<sub>50</sub> = 0.049 μM). …"
  16. 16

    Recyclable polyaspartate-coated magnetic nanoparticles for sustainable control of calcite and barite scales in oilfield operations حسب Abdelrahman T. Abdelaal (14674629)

    منشور في 2026
    "…Dynamic tube-blocking tests at 100 °C and 1000 psi further confirm effective scaling suppression for 60 min at 50 ppm, demonstrating that immobilization of PASP on a magnetic carrier preserves its intrinsic inhibitory function while enabling recyclable deployment not achievable with free PASP. …"
  17. 17

    Investigating the Impact of Salinity Variations on Aerobic Granules and Activated Sludge Flocs: Emphasis on Performance Monitoring and Identification of Influential Salinity Compon... حسب Raghavendran Sivasubramanian (16931775)

    منشور في 2022
    "…The dominant type of divalent cation only influenced sludge settling, where it was found Mg<sup>2</sup>+ was more beneficial than Ca<sup>2</sup>+. …"
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    Detailed organic characterization of process water to evaluate reverse osmosis membrane fouling in industrial wastewater treatment حسب Minier-Matar, Joel

    منشور في 2024
    "…After ACF treatment, the hydrophobic organics decreased to 0.65 mg/L, revealing that the ACF is removing >50 % of hydrophobic organics which are likely responsible for membrane fouling. …"
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  19. 19

    Algal-algal bioflocculation enhances the recovery efficiency of Picochlorum sp. QUCCCM130 with low auto-settling capacity حسب Imen Saadaoui (14159025)

    منشور في 2023
    "…QUCCCM31 and Tetraselmis sp. QUCCCM50 presenting a cell size of ∼2 μm, ∼5 μm, and ∼15 μm, respectively, were selected to be subjected to the harvesting optimisation experiments. …"
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    Trace Element Composition of Plankton from the Qatari Exclusive Economic Zone (EEZ) of the Arabian Gulf حسب Oguz Yigiterhan (14151006)

    منشور في 2020
    "…<p dir="ltr">Samples from the Marine Exclusive Economic Zone of Qatar and the Arabian Gulf were collected using net tows with mesh sizes of 50 μm (phytoplankton) and 200 μm (zooplankton) to examine the composition of size fractionated plankton populations. …"