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Assessment of tropospheric NO<sub>2</sub> concentrations over greater Doha using Sentinel-5 TROPOspheric monitoring instrument (TROPOMI) satellite data: Temporal analysis, 2018–202...
منشور في 2024"…<p dir="ltr">This study presents a temporal evaluation of the tropospheric NO<sub>2</sub> column densities over Greater Doha using TROPOMI satellite data from May 2018 to December 2023, and an assessment of the impact of the preparations and hosting of the FIFA Football World Cup Qatar 2022, on NO<sub>2</sub> levels before, during and after the tournament over Greater Doha. …"
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Internet Searches for Medical Symptoms Before Seeking Information on 12-Step Addiction Treatment Programs: A Web-Search Log Analysis
منشور في 2019"…In addition to highlighting severe long-term consequences, brief interventions could be restructured to highlight how increasing substance misuse can worsen discomfort from common medical symptoms in the short term, as well as how these worsening symptoms could exacerbate social embarrassment or decrease physical attractiveness.…"
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Do high energy-efficient buildings increase overheating risk in cold climates? Causes and mitigation measures required under recent and future climates
منشور في 2022"…While without adequate ventilation, the overheating risk in high-energy-efficient buildings can be higher than old buildings, where decreasing wall and window U-values and infiltration rate has a greater contribution to the increase of indoor temperature, while decreasing window SHGC has a lower contribution to the decrease in indoor temperature compared to the case with adequate ventilation. …"
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Convection heat transfer from a laminar flow over a 2-D backward facing step with asymmetric and orthotropic porous floor segments
منشور في 1997"…The fluid and energy equations for the incompressible laminar reattaching flow over a 2-D backward facing step with a porous floor segment were solved numerically using the finite element method. …"
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Short-term outcomes of anterior cruciate ligament reconstruction with or without lateral tenodesis or anterolateral ligament reconstruction: a retrospective cohort
منشور في 2023"…<h3>Purpose</h3><p dir="ltr">This study aimed to compare the short-term outcomes of ACL reconstruction (ACLR) alone, ACLR with lateral tenodesis, and ACL and ALL reconstruction.…"
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A Quadratic Non-Isolated High Step-Up Single-Input Dual-Output DC–DC Topology Based on Coupled Inductors with Low Input Current Ripple
منشور في 2025"…<p dir="ltr">This paper presents a new flexible high step-up DC-DC converter based on coupled inductors (CI), which operates as a Single-Input Dual-Output (SIDO) or Single-Input Single-Output (SISO) converter. …"
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The effect of Hydrogen Peroxide treatments on dental enamel porosity and protein structure and its long-term implications on tooth hardness and optical properties
منشور في 2025"…ResultsShade analysis revealed that, in the short term, HP treatment significantly increased lightness and Hue and decreased chroma compared to DW (p < 0.05); however, 1 week after treatment some of the initial gains in tooth lightness were partially lost. …"
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The effect of Hydrogen Peroxide treatments on dental enamel porosity and protein structure and its long-term implications on tooth hardness and optical properties
منشور في 2025"…</p><h3>Results</h3><p dir="ltr">Shade analysis revealed that, in the short term, HP treatment significantly increased lightness and Hue and decreased chroma compared to DW (<i>p </i>< 0.05); however, 1 week after treatment some of the initial gains in tooth lightness were partially lost. …"
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The effects of long-term testosterone treatment on endocrine parameters in hypogonadal men: 12-year data from a prospective controlled registry study
منشور في 2022"…Whilst the benefits of testosterone (T) replacement are well-evidenced, the long-term data for TTh on metabolic and endocrine parameters is limited. …"
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Preparation of Mesoporous/Microporous MnCo<sub>2</sub>O<sub>4</sub> and Nanocubic MnCr<sub>2</sub>O<sub>4</sub> Using a Single Step Solution Combustion Synthesis for Bifunction Oxy...
منشور في 2020"…Chronoamperometric (CA) runs for 24 h shows excellent stability of MnCo<sub>2</sub>O<sub>4</sub> without any significant decrease in the current or potential value in ORR and OER. …"
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Biomolecular changes and subsequent time-dependent recovery in hippocampal tissue after experimental mild traumatic brain injury
منشور في 2021"…Elucidation of the molecular and structural alterations in brain tissue due to TBI is crucial to understand secondary and long-term effects after traumatic brain injury, and to develop and apply the correct therapies. …"
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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"…Generally, most improvements occurred in the first year and were sustained on the long term. Postoperatively, there was a significant and sustained weight reduction, amounting to a mean decrease of 9 kg/m<sup>2</sup> in BMI at year 9 and associated excess weight loss between 59%<sub>year</sub> 1 and 46%<sub>year</sub> 9. …"
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Machine Learning-Based Management of Electric Vehicles Charging: Towards Highly-Dispersed Fast Chargers
منشور في 2020"…<p dir="ltr">Coordinated charging of electric vehicles (EVs) improves the overall efficiency of the power grid as it avoids distribution system overloads, increases power quality, and decreases voltage fluctuations. Moreover, the coordinated charging supports flattening the load profile. …"
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Design and Utilization of a Direct Methanol Fuel Cell
منشور في 2022"…This study introduces a step-by-step, summarized overview of direct methanol fuel cell (DMFC) fundamentals, thermodynamic–electrochemical principles, and system evaluation factors. …"
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Design and Utilization of a Direct Methanol Fuel Cell
منشور في 2022"…This study introduces a step-by-step, summarized overview of direct methanol fuel cell (DMFC) fundamentals, thermodynamic–electrochemical principles, and system evaluation factors. …"
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Performance of Different Concrete Types Exposed to Elevated Temperatures: A Review
منشور في 2022"…In addition, supplementary cementitious materials such as metakaolin and silica fume enhanced concrete strength, the latter proving to be the most effective. In terms of the heating process, it was clear that several constituents, such as silica fume or fly ash, that decrease absorption affect overall workability, increase the compressive strength of concrete, and can yield an increase in the strength of concrete at 200 °C. …"
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Integration of Wind Catchers in Modern Residential Buildings in the UAE as a Means of Providing Thermal Comfort
منشور في 2014"…The simulations were carried out in two steps. As a first step, the case study building as it exists was subjected to a thermal simulation analysis. …"
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