Showing 141 - 158 results of 158 for search '(( 5 nn decrease ) OR ( 100 ((we decrease) OR (((mean decrease) OR (a decrease)))) ))', query time: 0.14s Refine Results
  1. 141

    Thermochemical splitting of CO2 using solution combustion synthesized lanthanum-strontium-anganese perovskites by Takalkar, G.

    Published 2021
    “…Redox reactivity of La(1-x)SrxMnO3 (LSM) perovskites towards a solar thermochemical CO2 splitting (CS) cycle is investigated. …”
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  2. 142
  3. 143

    Effect of electroless bath composition on the mechanical, chemical, and electrochemical properties of new NiP-C 3 N 4 nanocomposite coatings by Fayyad E.M.

    Published 2019
    “…The results indicated that the alkaline electroless bath produced a NiP–C3N4 NCC with a microhardness 250 HV200 higher than that produced from the acidic one. …”
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  4. 144

    The Separation of Emulsified Water/Oil Mixtures through Adsorption on Plasma-Treated Polyethylene Powder by Abdulkareem, Asma

    Published 2021
    “…This work addresses the preparation and characterization of efficient adsorbents for tertiary treatment (oil content below 100 ppm) of oil/water emulsions. Powdered low-density polyethylene (LDPE) was modified by radio-frequency plasma discharge and then used as a medium for the treatment of emulsified diesel oil/water mixtures in the concentration range from 75 ppm to 200 ppm. …”
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  5. 145

    Functionalization of silica-coated magnetic nanoparticles as powerful demulsifier to recover oil from oil-in-water emulsion by Elmobarak W.F.

    Published 2021
    “…Increasing the water salinity from 0.1 to 0.5 M slightly improved the %Soil for the tests carried out with a Doil of 100 mg/L to 93.3%, 90.3%, and 86.3% for Fe–Si-2, Fe–Si-3, and FeSi-4, respectively. …”
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  6. 146

    Effect of reinforcement concentration on the properties of hot extruded Al-Al2O3 composites synthesized through microwave sintering process by Reddya, M. Penchal

    Published 2017
    “…Results showed that, as the content of hard ceramic particles increases, it improves overall mechanical properties including microhardness, 0.2% yield strength, ultimate compression/tensile strength, and Young's modulus while the ductility and co-efficient of thermal expansion decreases. XRD patterns and SEM/EDS mapping images show a uniform distribution of Al2O3 particles in the Al matrix. …”
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  7. 147

    Bromate reduction by ultraviolet light irradiation using medium pressure lamp by Bensalah, Nasr

    Published 2013
    “…The observed rate constant (kobs) decreased with increasing bromate concentrations upto 100 μg/L and then it becomes constant at 0.058 min-1 for higher bromate concentrations. …”
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  8. 148

    Electrochemical and thermodynamic study on the corrosion performance of API X120 steel in 3.5% NaCl solution by Shahzad, Khuram

    Published 2020
    “…The overall results revealed that PEI significantly decreases the corrosion rate of API X120 steel with inhibition efficiency of 94% at a concentration of 100 μmol L−1. …”
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  9. 149

    Umbelliferone inhibits spermatogenic defects and testicular injury in lead-intoxicated rats by suppressing oxidative stress and inflammation, and improving Nrf2/HO-1 signaling by Alotaibi, Mohammed F.

    Published 2020
    “…Materials and Methods: Rats received lead acetate (50 mg/kg) and UMB (25, 50 or 100 mg/kg) via oral gavage for 4 weeks. Results: Pb-intoxicated rats exhibited testicular tissue injury and decreased serum levels of LH, FSH and testosterone. …”
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  10. 150

    Effect of reinforcement concentration on the properties of hot extruded Al-Al2O3 composites synthesized through microwave sintering process by Reddy, M. Penchal

    Published 2017
    “…Results showed that, as the content of hard ceramic particles increases, it improves overall mechanical properties including microhardness, 0.2% yield strength, ultimate compression/tensile strength, and Young's modulus while the ductility and co-efficient of thermal expansion decreases. XRD patterns and SEM/EDS mapping images show a uniform distribution of Al2O3 particles in the Al matrix. …”
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  11. 151

    Driver Drowsiness Detection Study using Heart Rate Variability analysis in Virtual Reality Environment by Chowdhury, Muhammad E.H.

    Published 2018
    “…As it can be seen from Fig. 4, there is a significant difference in the LF/HF ratios, as it decreased drastically from 4.164 (Fig. 4A) when subject was awake to 1.355 (Fig. 4B) when subject was drowsy. …”
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  12. 152

    Development of Inorganically Cross-Linked Sulfonated Polyacrylamide Preformed Particle Gels for Conformance Control: Impact of Anionic Groups by Elaf, Reem

    Published 2024
    “…These PPGs function as superabsorbents, capable of absorbing water at a ratio of 100-700 times their dry weight while maintaining adequate gel strength up to 2709 Pa. …”
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  13. 153
  14. 154

    Prevalence and Phylogenetic Analysis of Parvovirus (B19V) among Blood Donors with Different Nationalities Residing in Qatar by Abdelrahman, Doua

    Published 2021
    “…B19V genotyping showed a predominance of Genotype 1 (100%). Sequence analysis of the NS1-VP1u region revealed 139 mutation sites, some of which were amino acid substitutions. …”
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  15. 155

    Trends and Appropriateness of Sodium-glucose Co-transporter 2 Inhibitors Use in Qatar by Zaghloul, Nancy

    Published 2023
    “…Empagliflozin prescribing showed an increase over dapagliflozin, which decreased by the end of 2018. SGLT2is were prescribed for appropriate indication in 400 (100%) patients studied, while inappropriate dosing was found in 13 (3%) patients. …”
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  16. 156

    Prospects Of Amino Acids And Ionic Liquids As Natural Gas Hydrate Inhibitors For Offshore Flow Assurance by Qureshi, M. Fahed Aziz

    Published 2018
    “…The effect of stirring on the hydrate crystal formation at different stirring rates (100-1400 RPM) was also investigated. It was found that a threshold limit exists for the stirring rate, above and below which no hydrate formation is likely to occur within the selected system. …”
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  17. 157

    Global disease burden attributed to low physical activity in 204 countries and territories from 1990 to 2019: Insights from the Global Burden of Disease 2019 Study by Ammar, Achraf

    Published 2023
    “…The age-standardized rates of low-PA-related deaths and DALYs per 100,000 people in 2019 were 11.1 (95% UI 5.7 to 19.5) and 198.4 (95% UI 108.2 to 360.3), respectively. …”
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  18. 158

    Allelopathic effects of the invasive Prosopis juliflora (sw.) Dc. On seed germination of selected Qatari native plant species by Bibi, Shazia

    Published 2016
    “…In order to achieve the goals, aqueous extract of P. juliflora was made by immersing 100 g/l of powdered parts of plant in warm distilled water (∼50°C) for 24 hours with regular mixing. …”
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