يعرض 541 - 560 نتائج من 630 نتيجة بحث عن '(( 50 ((ms decrease) OR (a decrease)) ) OR ((( a non decrease ) OR ( a systematic decrease ))))*', وقت الاستعلام: 0.20s تنقيح النتائج
  1. 541

    Correlations between Resting Electrocardiogram Findings and Disease Profiles: Insights from the Qatar Biobank Cohort حسب Qafoud, Fatima

    منشور في 2024
    "…Background: Resting electrocardiogram (ECG) is a valuable non-invasive diagnostic tool used in clinical medicine to assess the electrical activity of the heart while the patient is resting. …"
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  2. 542

    The effect of Hydrogen Peroxide treatments on dental enamel porosity and protein structure and its long-term implications on tooth hardness and optical properties حسب Ovidiu, Ciobanu

    منشور في 2025
    "…CD and DLS analyses showed that proteins from HP-treated teeth mostly adopted a non-random conformation and had smaller average protein sizes compared to the control. …"
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    article
  3. 543
  4. 544

    Synthesis of silica supported ni and cu catalyst for carbon dioxide methanation reaction حسب Aheed, Ahmed

    منشور في 2019
    "…The activity and product selectivity and stability for methanation reaction on Ni/SiO2 and Cu/SiO2 catalysts have been evaluated using a flow reactor between 50ºC - 650ºC. The as-synthesized catalysts were characterized using XRD, SEM, TEM to understand the structural properties. …"
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  5. 545
  6. 546

    Fluid-Structure-Acoustic coupling analysis for external laminar and turbulent fluid flows حسب Tohid, Adibi

    منشور في 2023
    "…The results indicate that the transmission loss is 27% more at the elastic plate’s highest position. By decreasing the length of the elastic plate by 50%, the mean transmission loss is reduced by 9%. …"
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    article
  7. 547
  8. 548
  9. 549
  10. 550

    Long-term performance analysis and power prediction of PV technology in the State of Qatar حسب Touati F.

    منشور في 2017
    "…Results show that due to panel dusting for eight months, the PV output power decreased by 50%. Also, owing to lower ambient temperatures, clearer sky and cleaner panels due to occasional rainfall, the PV panels show higher output power in Winter than in Summer season. …"
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  11. 551

    Development of an Air-Cooled Induction Manifold for Diesel Engines in Hot and Humid Climate حسب Elrentisy, Mohamed H.

    منشور في 2022
    "…For the emissions, there was a considerable reduction rate in NOx emissions with about 83% at 20 °C as well as a 50% reduction in hydrocarbon (HC) emissions compared with 45 °C. …"
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  12. 552

    Experimental Investigation of Foam drilling fluid using Visualization Technique حسب Barooah, Abinash

    منشور في 2021
    "…A non-dimensional performance parameter was introduced, for comparison of the cutting transport efficiency of different fluids such as water, 0.05 wt. % and 0.1 wt. % bio-polymer concentrations. …"
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  13. 553

    Selective adsorption of carbon dioxide, methane and nitrogen using resorcinol-formaldehyde-xerogel activated carbon حسب Awadallah, Ahmed

    منشور في 2017
    "…Adsorption/desorption isotherms of CO2, CH4, and N2 gases onto RF-ACX adsorbent were measured gravimetrically by a magnetic suspension microbalance at five different temperatures (20, 30, 40, 50 and 60 °C) in the pressure range of 0–1 MPa. …"
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  14. 554

    SAR and molecular mechanism studies of monoamine oxidase inhibition by selected chalcone analogs حسب Shalaby, Raed

    منشور في 2019
    "…The present study describes the synthesis of a series of 22 chalcone analogs. These compounds were evaluated as potential human MAO-A and MAO-B inhibitors. …"
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  15. 555
  16. 556

    The association between serum cortisol, thyroid profile, paraoxonase activity, arylesterase activity and anthropometric parameters of undergraduate students under examination stres... حسب Anjum, Armghan

    منشور في 2021
    "…The results showed that overall cortisol level was increased at pre-examination and during examination time intervals as compared to the post examination time interval while PON-1 and ARE were significantly (p < 0.05) decreased. With regards to T4 and TSH, a non-significant (p < 0.05) difference was observed in pre and post examination time interval. …"
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  17. 557

    Kv7 Channel Activators Flupirtine and ML213 Alleviate Neuropathic Pain Behavior in the Streptozotocin Rat Model of Diabetic Neuropathy حسب Ahmed, Ashraf Ibrahim

    منشور في 2024
    "…Background & Objective: Chronic peripheral neuropathic pain (PNP) is a debilitating condition that is associated with many types of injury/diseases, including diabetes mellitus. …"
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  18. 558

    Vertical zonation and functional diversity of fish assemblages revealed by ROV videos at oil platforms in The Gulf حسب Ben-Hamadou, Radhouan

    منشور في 2018
    "…Several trends were found in the vertical distribution of the fish community, most species were observed between 20 and 50 m depth and higher fish abundance recorded in the upper layers, down to 40 m depth and decreasing with depth. …"
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  19. 559

    Assessment of climate change pattern in the Pauri Garhwal of the Western Himalayan Region: based on climate parameters and perceptions of forest-dependent communities حسب Jha, Shashidhar Kumar

    منشور في 2020
    "…Percentage cloud cover showed an increase, of approximately 3%, while diurnal temperature displayed decreasing trends. Rainfall in the district showed a decreasing trend, with more than 50% of years 1985–2015 receiving less rainfall than the annual average. …"
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  20. 560

    Inhibition of alpha-synuclein seeded fibril formation and toxicity by herbal medicinal extracts. حسب Ardah, Mustafa T

    منشور في 2020
    "…In order to investigate the inhibitory mechanisms of these two compounds towards fibril formation, we demonstrated that salvianolic acid B binds predominantly to monomers, while dihydromyricetin binds to oligomeric species and to a lower extent to monomers. Remarkably, these two compounds stabilized the soluble non-toxic oligomers lacking β-sheet content after subjecting them to proteinase K digestion. …"
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