يعرض 1 - 20 نتائج من 119 نتيجة بحث عن '(((( 50 ppm decrease ) OR ( 50 _ decrease ))) OR ((( 100 ng decrease ) OR ( _ wet decrease ))))', وقت الاستعلام: 0.12s تنقيح النتائج
  1. 1
  2. 2

    Corrigendum: Decreased interfacial dynamics caused by the N501Y mutation in the SARS-CoV-2 S1 spike:ACE2 complex حسب Wesam S. Ahmed (10170053)

    منشور في 2022
    "…<p dir="ltr">Corrigendum: Decreased interfacial dynamics caused by the N501Y mutation in the SARS-CoV-2 S1 spike:ACE2 complex: Frontiers in Molecular Biosciences <a href="https://dx.doi.org/10.3389/fmolb.2022.846996" target="_blank">https://dx.doi.org/10.3389/fmolb.2022.846996</a>, published online 22 July 2022.…"
  3. 3

    Ecotoxicological Assessment of Thermally- and Hydrogen-Reduced Graphene Oxide/TiO<sub>2</sub> Photocatalytic Nanocomposites Using the Zebrafish Embryo Model حسب Halema Al-Kandari (6316961)

    منشور في 2019
    "…For the RGOTi, the no observed effect concentration (NOEC, mortality/teratogenicity score <20%) and the median lethal concentration (LC<sub>50</sub>) were <400 and 748.6 mg/L, respectively. …"
  4. 4
  5. 5
  6. 6

    Dynamics of Neisseria gonorrhoeae transmission among female sex workers and clients: A mathematical modeling study حسب Houssein H., Ayoub

    منشور في 2024
    "…Increasing asymptomatic treatment coverage among FSWs from 0 % to 50 % decreases prevalence from 8.2 % to 0.4 %, 0.6 % to 0.1 %, and 0.2 % to 0.0 %, respectively, with very low prevalence when coverage exceeds 50 %. …"
    احصل على النص الكامل
    احصل على النص الكامل
    احصل على النص الكامل
    article
  7. 7
  8. 8

    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. …"
  9. 9

    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. …"
  10. 10

    Comprehensive thermoeconomic, exergoeconomic, and optimization analyses of direct oxy‐combustion supercritical CO<sub>2</sub> intercooled and reheated cycles under design and off‐d... حسب Wahib A. Al‐Ammari (18877408)

    منشور في 2022
    "…At off‐design conditions with a power demand (PD) of 40% of the design load (50 MW), the thermal efficiency is decreased by 21.82% in DRC, 17.71% in ICC, 22.46% in PIC, and 13.60% in RHC. …"
  11. 11

    Improved properties and salt rejection of polysulfone membrane by incorporation of hydrophilic cobalt-doped ZnO nanoparticles حسب Muneer M. Ba-Abbad (14151660)

    منشور في 2024
    "…<p dir="ltr">In this study, the nanoparticles (NPs) of ZnO and Co<sup>2+</sup> ions doped ZnO (doped ZnO) were incorporated into a matrix of polysulfone (PSf) membranes to enhance their surface properties prepared using a simple wet phase inversion technique. The hybrid PSf membranes were fabricated with 0.5 wt. % of ZnO and doped ZnO NPs. …"
  12. 12

    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. …"
  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

    An Experimental Investigation of the Effects of Dressing and Grinding Parameters on Sustainable Grinding of Inconel 738 Used for Automated Manufacturing حسب Mohammadjafar Hadad (17541345)

    منشور في 2023
    "…The results indicate that the MQL technique increases the grinding performance of Inconel 738 by reducing ground workpiece surface roughness and decreasing the coolant–lubricant consumption comparing to the conventional wet grinding process. …"
  15. 15

    Adult appendicitis score versus Alvarado score: A comparative study in the diagnosis of acute appendicitis حسب Mohamed Said Ghali (16810713)

    منشور في 2023
    "…It requires proper management to decrease mortality and morbidity. Clinical scoring systems for diagnosing AA aimed to decrease the use of radiological scans and the rate of negative appendectomies (NA). …"
  16. 16

    The Impact of COVID-19 on the HIV Cascade of Care in Botswana – An Interrupted Time Series حسب Alice Sehurutshi (21842696)

    منشور في 2024
    "…In multivariable Poisson interrupted time series regression, the COVID-19 lockdown was associated with a 27% decrease in the monthly numbers of HIV tests (IRR 0.73, 95%CI 0.72–0.73), a 25% decrease in HIV positive tests (IRR 0.75, 95%CI 0.71–0.79), and a 43% reduction in ART initiations (IRR 0.57, 95%CI 0.55–0.60). …"
  17. 17

    Solar hydrogen production via thermochemical magnesium oxide – Magnesium sulfate water splitting cycle حسب Rahul R. Bhosale (6467102)

    منشور في 2020
    "…Overall analysis confirms that although the rise in the molar flow rate of Ar from 1 to 50 mol/s results in a decrease in the thermal reduction temperature from 1490 K to 1282 K, the solar-to-fuel energy conversion efficiency is adversely affected and reduces from 47.7% to 18.1%. …"
  18. 18

    YOLO-DefXpert: An Advanced Defect Detection on PCB Surfaces Using Improved YOLOv11 Algorithm حسب Prabu Selvam (22330264)

    منشور في 2025
    "…Compared to the standard YOLOv11 model, the proposed YOLO-DefXpert attained an improvement of 9.3% and 13.2% in mAP50 and mAP95, an 11.25% increase in frames per second, and a 69.85MB decrease in model size. …"
  19. 19

    Effects of polyphenol‐rich traditional herbal teas on obesity and oxidative stress in rats fed a high‐fat–sugar diet حسب Neelam Iftikhar (14778400)

    منشور في 2023
    "…Data showed that higher doses of <i>Hibiscus rosa-sinensis</i> significantly reduced the rat's BMI (0.50 g/cm<sup>2</sup>) in comparison with the high-fat–sugar diet group (0.79 g/cm<sup>2</sup>). …"
  20. 20

    Investigation of the Sustainable Production and Utilization of Biochar and Activated Carbon From Waste حسب Farah Yousef Taher Obar (19938288)

    منشور في 2023
    "…Out of the many food wastes, spent coffee grounds (SCG) comprise almost 15 million tons on a wet basis. Other significant solid wastes generated in Qatar include animal manures, and sewage waste. …"