يعرض 1 - 20 نتائج من 51 نتيجة بحث عن '(( 50 ppm decrease ) OR ((( 50 we decrease ) OR ((( 5 ht decrease ) OR ( 5 nn decrease ))))))', وقت الاستعلام: 0.17s تنقيح النتائج
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    An additive manufacturing approach based on electrohydrodynamic printing to fabricate P3HT:PCBM thin films حسب Zulfikre Esa (19457344)

    منشور في 2023
    "…We report here on the fabrication of poly(3-hexylthiophene): phenyl-C61-butyric acid methyl ester (P3HT:PCBM) thin films through the electrohydrodynamic atomization (EHDA) process and its integration as absorber layer for organic solar cells. …"
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    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
    "…Using the zebrafish embryo model, we investigated the environmental impacts of two thermally (RGOTi)- and hydrogen (H<sub>2</sub>RGOTi)-reduced graphene oxide/TiO<sub>2</sub> semiconductor photocatalysts recently employed in AOPs. …"
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    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
    "…As expected, we found that Ca was removed in Qatari dust; however, the concentrations (ppm) for most elements actually increased after leaching because the reduction in sample mass resulting from the removal of CaCO<sub>3</sub> by the leach was more important than the loss of metals solubilized by the leach. …"
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    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. …"
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    Oxidative stress cytotoxicity induced by platinum-doped magnesia nanoparticles in cancer cells حسب Mohamed Qasim, Al-Fahdawi

    منشور في 2021
    "…The cytotoxicity of Pt/MgO nanoparticles was determined via the 3-(4,5-dimethylthiazol-2-yl)−2,5-diphenyltetrazolium bromide assay on the human lung and colonic cancer cells (A549 and HT29 respectively) and normal human lung and colonic fibroblasts cells (MRC-5 and CCD-18Co repectively). …"
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    Adult appendicitis score versus Alvarado score: A comparative study in the diagnosis of acute appendicitis حسب Mohamed Said Ghali (16810713)

    منشور في 2023
    "…We aim to assess the adult appendicitis score (AAS) in the diagnosis prediction of AA.…"
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    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). …"
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    Oxidative stress cytotoxicity induced by platinum-doped magnesia nanoparticles in cancer cells حسب Mohamed Qasim Al-Fahdawi (17844209)

    منشور في 2021
    "…The cytotoxicity of Pt/MgO nanoparticles was determined via the 3-(4,5-dimethylthiazol-2-yl)−2,5-diphenyltetrazolium bromide assay on the human lung and colonic cancer cells (A549 and HT29 respectively) and normal human lung and colonic fibroblasts cells (MRC-5 and CCD-18Co repectively). …"
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    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. …"
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    Assessment Tools for Pulmonary Involvement in Patients with Ankylosing Spondylitis: Is Diaphragmatic Ultrasonography Correlated to Spirometry? حسب Rim Dhahri (21406871)

    منشور في 2023
    "…</p><h3>Methods</h3><p dir="ltr">We conducted a cross-sectional study of 50 patients with radiographic SpA, over six months. …"
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    Regional variations in incidence of surgical site infection and associated risk factors in women undergoing cesarean section: A systematic review and Meta-Analysis حسب Nazmul, Islam

    منشور في 2025
    "…The SSI incidence in LMICs was 8.0 % (95 % CI: 6.0 %–10.0 %) with moderate certainty, while the incidence in HICs was 5.0 % (95 % CI: 4.0 %–7.0 %) with low certainty. …"
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    Sleeve Gastrectomy in Patients with Type 2 Diabetes: Anthropometric and Cardiometabolic Improvements at 1, 3, 5, 7, and 9 years—Are the Initial Benefits Sustained? حسب Wahiba Elhag (5245547)

    منشور في 2025
    "…<h3>Background</h3><p dir="ltr">No previous study assessed the outcomes of sleeve gastrectomy (SG) beyond 5 years among adult patients with type 2 diabetes (T2DM). We appraised the evolution of 20 outcomes at 1, 3, 5, 7, and 9 years.…"
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    Predictors of mortality and morbidity in critically ill COVID‐19 patients: An experience from a low mortality country حسب Mohamad Y. Khatib (11659459)

    منشور في 2022
    "…The median (IQR) age of patients was 50 (41–59) years. Diabetes (47.3%) and hypertension (42.6%) were the most common comorbidities. …"
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    Predictors of prolonged hospitalization among geriatric trauma patients using the modified 5-Item Frailty index in a Middle Eastern trauma center: an 11-year retrospective study حسب Husham Abdelrahman (768893)

    منشور في 2025
    "…<h3>Background</h3><p dir="ltr">Using a validated tool, we explored the prevalence, risk factors, and predictors of longer hospitalization among hospitalized geriatric patients.…"