يعرض 1 - 20 نتائج من 50 نتيجة بحث عن '(( 50 ppm decrease ) OR ((( 50 c decrease ) OR ((( _ nn decrease ) OR ( _ fe decrease ))))))', وقت الاستعلام: 0.12s تنقيح النتائج
  1. 1

    Enhanced PSO-Based NN for Failures Detection in Uncertain Wind Energy Systems حسب Khaled Dhibi (16891524)

    منشور في 2023
    "…The last retained features from the proposed PSO-based methods are fed to the neural network (NN) classifier. The proposed methodology improves the diagnosis abilities, reduces the computation time, and decreased the storage cost. …"
  2. 2
  3. 3

    Correlating the rheological and magneto-optical properties of cobalt substituted magnetite ferrofluids (Co<sub>x</sub>Fe<sub>1−x</sub>Fe<sub>2</sub>O<sub>4</sub>) with theoretical... حسب Blessy Babukutty (17871482)

    منشور في 2023
    "…An environmental friendly method of co-precipitation is applied to generate Co<sub>x</sub>Fe<sub>1−x</sub>Fe<sub>2</sub>O<sub>4</sub> with variable dopant concentration (x = 0–0.8), which is deeply investigated by structural and functional property analyses of the ferrofluids. …"
  4. 4
  5. 5

    Removal of Benzene and Toluene from Synthetic Wastewater by Adsorption onto Magnetic Zeolitic Imidazole Framework Nanocomposites حسب George Z. Kyzas (740387)

    منشور في 2022
    "…Fitting the adsorption data into the various models revealed the aptness of the Langmuir isotherm equation in describing experimental information and highest adsorption capacity; for benzene it was 129.4, 134.2, 137.3, and 148.2 mg g<sup>−1</sup>, but for toluene it was 118.4, 125.2, 129.6, and 133.1 mg g<sup>−1</sup>, for temperature 20, 30, 40, and 50 °C, respectively. Using obtained optimal conditions, the adsorption efficiencies of benzene and toluene were obtained to be 98.4% and 93.1%, respectively. …"
  6. 6

    A new insight into the separation of oil from oil/water emulsion by Fe<sub>3</sub>O<sub>4</sub>–SiO<sub>2</sub> nanoparticles حسب Wamda Faisal Elmobarak (17058024)

    منشور في 2021
    "…For the oil recovery process, the Fe<sub>3</sub>O<sub>4</sub> was applied for the inhibition (i.e., decrease) of oil sedimentation, and the SiO<sub>2</sub> NPs were applied for wettability alteration and IFT reduction. …"
  7. 7

    Application of Fe<sub>3</sub>O<sub>4</sub> magnetite nanoparticles grafted in silica (SiO<sub>2</sub>) for oil recovery from oil in water emulsions حسب Wamda Faisal Elmobarak (17058024)

    منشور في 2021
    "…An excellent %<sub>hdem</sub> 90% was achieved C<sub>oil</sub> in the range 50 e2000 mg/L. Using an MD<sub>dose</sub> as low as 10 mg/L attained a %<sub>hdem</sub> in the range of 93% - 4.3% for O/W mixtures with C<sub>oil</sub> < 2000 mg/L, which slightly decreased to ~90% for higher concentrations. …"
  8. 8

    Application of Zn-ferrite towards thermochemical utilization of carbon dioxide: A thermodynamic investigation حسب Rahul R. Bhosale (6467102)

    منشور في 2021
    "…The decrease in the reduction temperature is significant when the ratio of the molar flow rate of inert sweep gas to the molar flow rate of ZnFe<sub>2</sub>O<sub>4</sub> increases from 10 to 30. …"
  9. 9

    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. …"
  10. 10
  11. 11

    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. …"
  12. 12

    Control of the Speed of a Light-Induced Spin Transition through Mesoscale Core-Shell Architecture حسب Slimani, Ahmed

    منشور في 2018
    "…A series of photomagnetic coordination polymer core-shell heterostructures, based on the light-switchable RbaCob[Fe(CN)6]c·mH2O (RbCoFe-PBA) as core with the isostructural KjNik[Cr(CN)6]l·nH2O (KNiCr-PBA) as shell, are studied using temperature-dependent powder X-ray diffraction and SQUID magnetometry. …"
    احصل على النص الكامل
    احصل على النص الكامل
  13. 13

    Efficacy and safety of the newer oral hypoglycemic agents in patients with T2DM during Ramadan: A systematic review and meta-analysis حسب Hoda Gad (6470522)

    منشور في 2020
    "…Glucagon-like peptide (GLP-1) agonist therapy was associated with a significant decrease in Hb<sub>A1c</sub> (%) (SMD -0.68) and a non-significant decrease in weight (kg) (SMD -2.57) and systolic blood pressure (SBP) (mmHg) (SMD -3.50) after Ramadan. …"
  14. 14

    Trace element composition of size-fractionated suspended particulate matter samples from the Qatari Exclusive Economic Zone of the Arabian Gulf: the role of atmospheric dust حسب Oguz Yigiterhan (14151006)

    منشور في 2020
    "…Size-fractionated suspended particles were collected using net tows with mesh sizes of 50 and 200 µm to examine the composition of small- and large-size plankton populations. …"
  15. 15

    Insights on the effect of water content in carburizing gas mixtures on the metal dusting corrosion of iron حسب El Tayeb Bentria (9904024)

    منشور في 2022
    "…At later stage, the formation of oxide scale leads to an elevated concentration of H<sub>2</sub>O/OH molecules on the surface due to the decrease in Fe affinity to dissociate water. This results into blocking the Fe catalytic sites leading to lower C and O diffusion to the bulk of the sample.…"
  16. 16
  17. 17

    Extraction and characterization of biofunctional lignocellulosic fibers from Pulicaria undulata plant and the effect of alkali treatment on their bio-physicochemical properties حسب Mohammed, Alsafran

    منشور في 2024
    "…Similarly, the degradation temperature of P. undulata fibers also increased from 324.4 °C to 332.6 °C after alkali treatment. The raw fiber showed promising radical scavenging and reducing power properties, and demonstrated antifungal activity against Candida albicans. …"
    احصل على النص الكامل
    احصل على النص الكامل
    احصل على النص الكامل
    article
  18. 18

    Improving pediatric trauma care: an automated system for wrist trauma detection using GELAN حسب Promit Basak (22997776)

    منشور في 2025
    "…Our proposed framework surpassed the most advanced techniques, showcasing exceptional precision and effectiveness, achieving a mean average precision (mAP50) score of 74.1%, 95%, and 85.5% for Task A (trauma detection), Task B (fracture detection), and Task C (fracture severity detection), respectively. …"
  19. 19

    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
    "…Higher stability of the ferroelectric (FE) phase was obtained at room temperature for the compositions y = 0.01, 0.02 and 0.05, with optimum values for y = 0.02 as remanent polarization Pr = 32µC/cm2, as well as piezoelectric coefficients d33 = 137 pC/N, kp = 0.27 and kt = 0.16, whereas a higher content of Dy (y = 0.08) induced a remarkable decrease of the ferroelectric and piezoelectric properties. …"
    احصل على النص الكامل
  20. 20

    Bond durability of sand coated and ribbed basalt FRP bars embedded in high-strength concrete حسب Abathar Al-Hamrani (16494884)

    منشور في 2023
    "…After 9 months, the bond strength retentions for sand-coated bars were 29.43, 63.93, and 67.43%, and 66.10, 94.94, and 80.44% for ribbed bars under the exposure to the 50 °C seawater, sulfuric acid, and freeze–thaw cycles, respectively. …"