يعرض 21 - 40 نتائج من 557 نتيجة بحث عن '(( 50 ((mean decrease) OR (a decrease)) ) OR ((( a step decrease ) OR ( 2 w decrease ))))*', وقت الاستعلام: 0.24s تنقيح النتائج
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    Thermodynamic analysis of solar-driven chemical looping steam methane reforming over Cr2O3/Cr redox pair حسب Bhosale, Rahul

    منشور في 2019
    "…For this study, two process configurations are considered: a) CS process - Cr2O3/Cr based MR open process, and b) CSH process- Cr2O3/Cr based MR and WS semi-open process. …"
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  3. 23

    Inner sphere oxidation of N,N′-ethylenebis(isonitrosoacetyleacetoneimine)copper(II) by N-bromosuccinimide in aqueous weakly acidic solutions حسب Salih, Isam M.

    منشور في 2013
    "…The mechanism of the title reaction is consistent with an inner sphere mechanism in which a pre-equilibrium step precedes the electron transfer step. …"
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  4. 24

    Effect of BPA on CYP450s expression, and nicotine modulation, in fetal rat brain حسب Mohammad H., Merii

    منشور في 2022
    "…Fetal brains were isolated at gestational days GD14 and GD19, and protein expression was assessed by Western blotting. Results showed a BPA-induced significant decrease in CYP1B1 expression levels at GD14 (p = 0.001), and CYP19A1 (aromatase) expression at both mid- and late-stage development (p < 0.001). …"
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  5. 25

    Enhanced boron removal by electricity generation in a microbial fuel cell حسب Ping, Qingyun

    منشور في 2016
    "…Two scenarios were examined, the MFC as a pretreatment process and the MFC as a post-treatment step in connection with conventional desalination. …"
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  6. 26

    Enhanced oil recovery using hyperbranched polyglycerol polymer-coated silica nanoparticles حسب Elmobarak W.F.

    منشور في 2021
    "…Functionalized Fe3O4?SiO2 magnetic nanoparticles (Fe?Si-MNPs) coated with hyperbranched polyglycerol polymer were prepared and tested for oil recovery from oil in water (O/W) emulsions. …"
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  7. 27

    Screening of Qatari Microalgae and Cyanobacteria for Application in CO2 Utilization حسب Schipper, Kira

    منشور في 2018
    "…Picochlorum maculatum was found to have the highest lipid and protein content, with 24.0 ± 1.3, 28.0 ± 1.4 and 27.0 ± 1.4 % (w/w) lipids and 21.2 ± 0.2, 23 ± 0.1, and 20 ± 0.9 % (w/w) proteins for cultivation at 30, 35 and 40˚C respectively. …"
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  8. 28

    Nanocomposite Ni-TiO2 coatings produced by pulsed electroplating حسب Wang, Y.

    منشور في 2014
    "…Nanocomposite Ni-TiO2 coatings were prepared on mild steel substrate by pulse electroplating with controlled duty cycle and frequency. A systematic study of Ni-xTiO2 coatings with different TiO2 concentrations (x50-20 g L-1) has been conducted. …"
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  9. 29

    Preparation and characterization of chemically synthesized polyaniline–polystyrene blends as a carbon dioxide gas sensor حسب J., Bhadra

    منشور في 2013
    "…The SEM results of the above polymerized blends reflect the formation of spherical nanoparticles with diameter ranging from 50nm to 90nm with a decrease in PS concentration that facilitates the formation of clusters. …"
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  10. 30

    Comprehensive thermoeconomic, exergoeconomic, and optimization analyses of direct oxy-combustion supercritical CO2 intercooled and reheated cycles under design and off-design condi... حسب Al-Ammari, Wahib A.

    منشور في 2022
    "…At off-design conditions with a power demand (PD) of 40% of the design load (50 MW), the thermal efficiency is decreased by 21.82% in DRC, 17.71% in ICC, 22.46% in PIC, and 13.60% in RHC. …"
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    Qatar Culture Collection of Microalgae: A Sustainable Source for Biodiesel Production and Omega Fatty Acid Compounds حسب Bounnit, Touria

    منشور في 2016
    "…A one step transesterification process was used to derivitize the intrinsic lipid into fatty acid methyl esters and the individual components were identified against known standards. …"
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    Box-Behnken approach for optimization of Cr(III) removal from a real tanning effluent using powdered marble حسب Boujelben, R.

    منشور في 2022
    "…Microtoxicity (Escherichia coli) assays showed a decrease in the growth inhibition percentage going from 100 to 31% following the adsorption experiment using raw tanning effluent. …"
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  15. 35

    Genotoxic impact of long-term cigarette and waterpipe smoking on DNA damage and oxidative stress in healthy subjects حسب Alsaad A.M.

    منشور في 2019
    "…This was associated with a marked decrease (50%) in the expression of detoxifying genes (NQO1 and GSTA1) with an increase in CYP1A1 mRNA expression, a cancer-activating gene. …"
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    Excess pCO2 and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf) حسب Connor, Izumi

    منشور في 2022
    "…The slope suggests that removal of C as CaCO3, organic matter (CH2O) or gas exchange (FCO2) is occurring with a ratio of ΔCaCO3/(ΔCH2O or FCO2) = 1:2.86. The tracer Alk*, defined as the deviation of potential alkalinity (AP) (where AP = TA + 1.26 [NO3]) from conservative potential alkalinity ((ApC), (ApC = S Ap′S′ where A'P and S′ are mean values for the whole surface ocean) has values primarily determined by CaCO3 precipitation and dissolution. …"
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  20. 40

    Excess pCO2 and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf) حسب Connor, Izumi

    منشور في 2022
    "…The slope suggests that removal of C as CaCO3, organic matter (CH2O) or gas exchange (FCO2) is occurring with a ratio of ΔCaCO3/(ΔCH2O or FCO2) = 1:2.86. The tracer Alk*, defined as the deviation of potential alkalinity (AP) (where AP = TA + 1.26 [NO3]) from conservative potential alkalinity ((ApC), (ApC = S Ap′S′ where A'P and S′ are mean values for the whole surface ocean) has values primarily determined by CaCO3 precipitation and dissolution. …"
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