بدائل البحث:
5 nn » k nn (توسيع البحث), _ nn (توسيع البحث)
decrease » decreased (توسيع البحث), increase (توسيع البحث)
5 nn » k nn (توسيع البحث), _ nn (توسيع البحث)
decrease » decreased (توسيع البحث), increase (توسيع البحث)
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1
An additive manufacturing approach based on electrohydrodynamic printing to fabricate P3HT:PCBM thin films
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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2
Design and analysis of PV fed high-voltage gain DC-DC converter using PI and NN controllers
منشور في 2022"…Here, 48 V is doubled to 400 V. By modifying the converter's parameters, its behavior is evaluated. …"
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Ecotoxicological Assessment of Thermally- and Hydrogen-Reduced Graphene Oxide/TiO<sub>2</sub> Photocatalytic Nanocomposites Using the Zebrafish Embryo Model
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
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
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
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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9
Adult appendicitis score versus Alvarado score: A comparative study in the diagnosis of acute appendicitis
منشور في 2023"…We aim to assess the adult appendicitis score (AAS) in the diagnosis prediction of AA.…"
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10
Excess pCO2 and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf)
منشور في 2022"…Its values in the Gulf ranged from −50 to −310 μmol kg−1 implying CaCO3 precipitation. …"
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The Impact of COVID-19 on the HIV Cascade of Care in Botswana – An Interrupted Time Series
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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12
Oxidative stress cytotoxicity induced by platinum-doped magnesia nanoparticles in cancer cells
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)
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?
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
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?
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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19
Predictors of mortality and morbidity in critically ill COVID‐19 patients: An experience from a low mortality country
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
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.…"