يعرض 641 - 660 نتائج من 1,765 نتيجة بحث عن '(( 5 ((wt decrease) OR (nn decrease)) ) OR ( 10 ((peer decrease) OR (a decrease)) ))', وقت الاستعلام: 0.18s تنقيح النتائج
  1. 641

    Modified zno nanoparticles using iron ions (Fe3+) for photo-catalytic degradation of toxic pollutants under sunlight حسب Ba-Abbad, Muneer M.

    منشور في 2019
    "…As the Fe3+ concentration increased from 0.25 to 1.00 wt. %, the crystal size decreased in comparison with the undoped ZnO. …"
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  2. 642

    Tribological studies of nanomodified mineral based multi-grade engine oil حسب Laad, M.

    منشور في 2017
    "…Tests were carried under loads of 40N, 60N and 90N at sliding speeds 0.5 m/s, 1.0 m/s and 1.5 m/s. Nanoparticle concentration in the mineral oil was taken as 1.5 wt%. …"
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  3. 643

    Propagation rate coefficient for sulfobetaine monomers by PLP-SEC حسب Lacík, Igor

    منشور في 2016
    "…The kp values are determined in aqueous solutions for monomer concentrations between 5 and 50 wt % and temperatures between 15 and 80 °C. …"
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  4. 644

    Role of TiO2 and carbon nanotubes on polyethylene, and effect of accelerated weathering on photo oxidation and mechanical properties حسب Zagho M.M.

    منشور في 2019
    "…TONPs increased the tensile strength of the samples by 11.5% but deterioration of this property is the same as the pristine sample after accelerated weathering for 39 days. …"
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  5. 645

    Characterizing Biaxially Stretched Polypropylene / Graphene Nanoplatelet Composites حسب Mayoral, B.

    منشور في 2021
    "…Results show that the addition of GNP (>5wt%) can lead to electrically conductive composites due to the formation of percolation network. …"
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  6. 646

    Combined effects of treated domestic wastewater, fly ash, and calcium nitrite toward concrete sustainability حسب Abushanab, Abdelrahman

    منشور في 2021
    "…Test results revealed that TWW slightly decreased concrete compressive and flexural strengths by 5%-12%, whereas it dramatically increased the porosity and chloride permeability by about 40%. …"
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  7. 647
  8. 648
  9. 649

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

    منشور في 2019
    "…The corrosion performance of the NiP–C3N4 NCC prepared at the optimum conditions was studied in a 3.5wt% NaCl solution through electrochemical impedance spectroscopy (EIS) and Tafel analysis techniques. …"
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  10. 650
  11. 651
  12. 652
  13. 653

    Magneto-Mechanical and Thermal Properties of Nd-Fe-B-Epoxy-Bonded Composite Materials حسب Grujić, Aleksandar

    منشور في 2023
    "…This examination of synthesized Nd-Fe-B-epoxy composite materials includes the mutual comparison of impact toughness, fatigue, and the structural, thermal, dynamic-mechanical, and magnetic behavior of materials with different content of magnetic Nd-Fe-B particles, in a wide range from 5 to 95 wt.%. This paper tests the influence of the Nd-Fe-B content on impacting the toughness of the composite material, as this relationship has not been tested before. …"
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  14. 654

    Self-healing performance of smart coatings modified with different corrosion inhibitors. حسب Habib, Sehrish

    منشور في 2020
    "…Amine-based corrosion inhibitors (N-methylthiourea NMTU and Dodecylamine DDA) were used for CeO2 nano container modification, and corrosion inhibition efficiency has been explored utilizing electrochemical impedance spectroscopy (EIS) in 3.5 wt% NaCl solution. Loading of inhibitor into nanocontainer has been confirmed through Fourier-transform infrared spectroscopy (FTIR) and Brunauer-Emmett-Teller (BET). …"
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  15. 655
  16. 656
  17. 657
  18. 658
  19. 659

    Biodegradable polysaccharide grafted polyacrylamide inhibitor for corrosion in CO2- saturated saline solution حسب Jalab, Rem

    منشور في 2023
    "…Electrochemical tests of Tafel and AC impedance, were used to determine the corrosion rate of carbon steel (C-steel) and protection efficiency in CO2-saturated 3.5 wt% NaCl solution. The surface morphology was characterized using FESEM coupled with EDX. …"
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  20. 660

    Arabic gum as green agent for ZnO nanoparticles synthesis: properties, mechanism and antibacterial activity حسب Ba-Abbad, Muneer M.

    منشور في 2017
    "…The size of the spherically shaped ZnO NPs decreased with an increase in the amount of Arabic gum, up to an optimal 1.50 wt%. …"
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