-
281
Wind shear coefficient, turbulence intensity and wind power potential assessment for Dhulom, Saudi Arabia
منشور في 2020"…The study also includes the local values of air density calculated using temperature and pressure measurement made at 2 m AGL during the same period. The mean wind speed above 4 m/s and the standard deviation values were used to obtain the turbulence intensities (TI) at different heights. …"
احصل على النص الكامل
article -
282
A new perspective on cardiovascular drift during prolonged exercise
منشور في 2021"…<p dir="ltr">Prolonged exercise induces cardiovascular drift, which is characterized by decreasing mean arterial pressure (MAP), stroke volume and heart rate increase. …"
-
283
Prediction of biogas production from chemically treated co-digested agricultural waste using artificial neural network
منشور في 2020"…An ANN model consists of three layers, 15 neutrons and 260 <i>epochs</i> accurately predict the CMP with 99.1% of data within ±10% deviation of the mean experimental value. The developed model can be used to forecast the CMP as a function of operating temperature, the substrate composition, and chemical dose, and can be used for scaling-up and cost analysis purposes.…"
-
284
Investigation of Groundwater Depletion in the State of Qatar and Its Implication to Energy Water and Food Nexus
منشور في 2021"…Long-term temperature data indicates that the annual mean temperature increased significantly by 1.02 °C between 1987 and 2016, while total rainfall exhibited a slight decreasing trend. …"
-
285
Modeling the influence of daily temperature and precipitation extreme indices on vegetation dynamics in Katsina State using statistical downscaling model (SDM)
منشور في 2023"…All the scenarios present increasing minimum and maximum temperatures and decreasing precipitation, except for RCP8.5, which predicted a more adverse trend. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل
article -
286
Trends in the global, regional, and national burden of oral conditions from 1990 to 2021: a systematic analysis for the Global Burden of Disease Study 2021
منشور في 2025"…Furthermore, DALY rates of lip and oral cavity cancer decreased in the European region and the region of the Americas, while DALY rates of orofacial clefts decreased in all regions. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل
article -
287
Durability of Cardiometabolic Outcomes Among Adolescents After Sleeve Gastrectomy: First Study with 9-Year Follow-up
منشور في 2022"…</p> <h2>Results</h2> <p>Follow-up rates were 57.53%, 82.87%, 85.24%, 83.92%, and 83.33% at the five time points. The preoperative mean body mass index (BMI) (45.60 ± 6.50 kg/m2) decreased at year 1 (30.04 ± 4.96 kg/m2, P=0.001) and was maintained up to 9 years (30.20 ± 3.92 kg/m2, P = 0.001). …"
-
288
10-Day structured initiation protocol from multiple daily injection to hybrid closed-loop system in children and adolescents with type 1 diabetes
منشور في 2020"…The participants used the sensor for a median of 92% of the time and spent a median of 89% in Auto Mode. The mean HbA1c decreased from 8.2 ± 1.4% (66 ± 15.3 mmol/mol) at baseline to 6.7 ± 0.5% (50 ± 5.5 mmol/mol) at the end of the study (p = 0.017). …"
-
289
Hypospadias Reconstruction Training: Development of an Ex-Vivo Model for Objective Evaluation of Surgical Skills
منشور في 2025"…However, EMG measurements showed significant reductions in average EMG power, total time, dominant frequency, and cumulative muscle workload after training. Additionally, the mean power spectral density of the EMG signal decreased notably post-training. …"
-
290
Mortality and socio-economic outcomes among patients hospitalized for stroke and diabetes in the US: a recent analysis from the National Inpatient Sample
منشور في 2021"…In those patients, the mean (SD) age slightly decreased from 70 (13) years to 69 (13) years (p-trend < 0.001). …"
-
291
Risk Factors for Post-Cesarean, Surgical Site Infections in a Multi-Ethnic Population of Qatar
منشور في 2024"…</p><h3>Methods</h3><p dir="ltr">A case-control study was conducted at a secondary hospital in Qatar after institutional approval. …"
-
292
Hypoxic Stress Induces Complement-Mediated Lysis of Mesenchymal Stem Cells by Downregulating Factor H and CD59
منشور في 2024"…Severe hypoxia found to decrease the survival chances of MSCs after transplantation; however, little is known about the impact of severe hypoxia on modulating the complement system activity and its effect on MSCs survival. …"
-
293
Unraveling the future productivity burden of cardiovascular disease in Qatar: Investigating the modifiable risk factors control in type 2 diabetes
منشور في 2025"…</p><h3>Materials and methods</h3><p dir="ltr">Models were developed to quantify the productivity burden, in terms of PALYs, of CVD in Qataris with T2D, aged 40–65 years, from 2024 to 2033. …"
-
294
Magnesium-reinforced PMMA composite scaffolds: Synthesis, characterization, and 3D printing <i>via</i> stereolithography
منشور في 2025"…The primary focus of these research efforts has been on determining the optimal materials and methods for creating these scaffolds, ensuring that they are biocompatible, capable of withstanding structural strains, and can support cellular proliferation, tissue growth, and vascularization. …"
-
295
Synthetic Cannabinoid AB-FUBINACA Negatively Impacted the Male Fertility and Induced Testicular Toxicity
منشور في 2025"…The current study aimed to investigate the toxicological effects of subacute exposure to synthetic cannabinoid AB-FUBINACA on male reproductive system in mice.</p><h3 dir="ltr">Methods</h3><p dir="ltr">Adult male Balb/c mice received daily intraperitoneal injections of various doses of AB-FUBINACA (0.75, 1.5, and 3 mg/kg for 3 weeks). …"
-
296
A customised fetal growth and birthweight standard for Qatar: a population-based cohort study
منشور في 2024"…This study used perinatal registry data to derive coefficients for developing customized growth charts for Qatar.</p><h3>Methods</h3><p dir="ltr">The PEARL registry data on women delivering in Qatar (2017–2018) was used to develop a multivariable linear regression model predicting optimal birthweight. …"
-
297
Fourier-Transform Infrared Imaging Spectroscopy and Laser Ablation -ICPMS New Vistas for Biochemical Analyses of Ischemic Stroke in Rat Brain
منشور في 2018"…</p><p dir="ltr"><br></p><h3>Materials and Methods</h3><p dir="ltr">FT-IR imaging spectroscopy and LA-ICPMS techniques examined stroke brain samples, which were compared with standard immunohistochemistry studies.…"
-
298
Automated detection of posterior urethral valves in voiding cystourethrography images: A novel AI-Based pipeline for enhanced diagnosis and classification
منشور في 2024"…The main objective was to detect presence of PUV based on urethral ratio calculated automatically from segmented urethra region. </p><h3>Methods </h3><p dir="ltr">A total of 181 VCUG images were evaluated by 9 clinicians to determine presence of PUV. …"
-
299
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
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. …"
-
300
A Sociodemographic Analysis of the Impact of COVID-19-Related Schools’ Closure on the Diet and Physical Activity of Children and Adolescents in Qatar
منشور في 2023"…We found a significant decrease in the intake of vegetables, increases in the intake of soft drinks, fried food, fast food, and sweets, and a reduction in physical activity during schools’ closure compared to before. …"