يعرض 1 - 20 نتائج من 30 نتيجة بحث عن '(( 5 _ decrease ) OR ((( 1 a decrease ) OR ( _ fe decrease ))))~', وقت الاستعلام: 0.15s تنقيح النتائج
  1. 1

    Structural and magnetic properties of Ni1-xZnxFe 2O4 (x=0, 0.5 and 1) nanopowders prepared by sol-gel method حسب Gao P.

    منشور في 2013
    "…A series of nanostructured Ni-Zn ferrites Ni1-xZn xFe2O4 (x=0, 0.5 and 1) with a grain size from 24 to 65 nm have been prepared with a sol-gel method. …"
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    A new insight into the separation of oil from oil/water emulsion by Fe3O4?SiO2 nanoparticles حسب Elmobarak W.F.

    منشور في 2021
    "…In contrast, the value achieved for the seawater injection was 76.5%. For the oil recovery process, the Fe3O4 was applied for the inhibition (i.e., decrease) of oil sedimentation, and the SiO2 NPs were applied for wettability alteration and IFT reduction. …"
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  4. 4

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

    منشور في 2021
    "…The Fe–Si-MNP exhibited excellent %Soil, reliable stability, and high magnetization values ranging between 46.1 and 80.2 emu/g. adding a 5 nm silica layer on the surface of the Fe–Si-MNP (i.e., Fe–Si-1) protected them from oxidation conditions, extended their service life, and achieved a %Soil of ∼96.3%. …"
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  5. 5

    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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    Investigational Study for the efficiency of Fe3O4@SiO2 nanoparticles in the Oil Recovery Process using glass micromodel حسب Elhaj, Wamda

    منشور في 2021
    "…In contrast, the value achieved for the seawater injection was 76.5%. For the oil recovery process, the Fe3O4 was applied for the inhibition (i.e., decrease) of oil sedimentation, and the SiO2 NPs were applied for wettability alteration and IFT reduction. …"
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  8. 8

    Ferroelectric Properties and Electrocaloric Effect in Dy2O3 Substitution on Lead-Free (Na0.5 Bi0.5)0.94 Ba0.06TiO3 Ceramic حسب Turki, O.

    منشور في 2023
    "…Using the direct EC measurement, the ceramic corresponding to y = 0.02 exhibited a significant EC response, where ΔT = 1.2 K under 5 kV/mm. …"
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  9. 9

    Application of Fe3O4 magnetite nanoparticles grafted in silica (SiO2) for oil recovery from oil in water emulsions حسب Elmobarak W.F.

    منشور في 2021
    "…Demulsification process best fits the combined Langmuir-Freundlich (L-F) isotherm with highest adsorption capacity (Qmax) of 186.0 ± 5 mgoil/gMD compared to 86.0 ± 5 mgoil/gMD for Fe3O4, which is 1.1 folds greater than Qmax reported in the literature for other demulsifiers.…"
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    Application of magnetic nanoparticles for the removal of oil from oil-in-water emulsion: Regeneration/reuse of spent particles حسب Elmobarak W.F.

    منشور في 2021
    "…The observed %Roil at a pH of 4 and Csur of 0.05 g/L was observed to be > 90 ± 0.1% and decreased by either rising the pH to 7 or increasing the Csur to 0.1 g/L. …"
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  12. 12

    Study of Magnetic Properties and Lattice Dynamics of the Cdx Co1-x Ferrite System by MossbauerEffect حسب Eissa, N. A. [نبيل عيسى]

    منشور في 1981
    "…The Neel temperature was found to decrease with increasing cadmium concentration. The reduced hyperfine magnetic fields for the A- and the B- sites were found to follow the Brillouin function and One-Third-Power Law. …"
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    Usefulness of In-Situ Synchrotron Study on Scale Formation during CO2 Corrosion of Mild Steel: A Review حسب Sk, Mobbassar Hassan

    منشور في 2016
    "…500 mV (vs SCE), together with the intensities of the Fe and FeCO3 signals from the in-situ synchrotron XRD [1]. …"
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    Detoxification assays of tunisian tannery wastewater under nonsterile conditions using the filamentous fungus aspergillus Niger حسب Boujelben, Raouia

    منشور في 2019
    "…Characterization of effluents also revealed high salt levels (EC > 17 mS/cm) and high organic matter content (25 g/L for the UE and 7.2 g/L for the FE) but a low biodegradability since BOD5 did not exceed 2.5 and 1.25 g/L for the UE and the FE, respectively. …"
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    DC conductivity and Seebeck coefficient of nonstoichiometric MgCuZn ferrites حسب Madhuri, W.

    منشور في 2017
    "…Nonstoichiometric series of Mg0.5-xCuxZn0.5Fe1.9O4-? where x = 0.0, 0.1, 0.15, 0.2 and 0.25 has been synthesized by conventional solid state reaction route. …"
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  20. 20

    Electrocatalytic arsenite oxidation in bicarbonate solutions combined with CO2 reduction to formate حسب Wonjung, Choi

    منشور في 2020
    "…However, the application of a potential higher than the peak (E > Ep,As) leads to a significant decrease in the FE due to water oxidation. …"
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