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161
Effects of ethanol addition to diesel–biodiesel blends on the CI engine characteristics
منشور في 2024"…Ethanol addition has a more significant impact, with an increase in engine power of 16% at 1700 rpm and 13% at 2500 rpm for 2.5% and 5% ethanol blends, respectively. …"
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162
Shared Clean Mobility Operations for First-Mile and Last-Mile Public Transit Connections: A Case Study of Doha, Qatar
منشور في 2022"…Moreover, adding the carpooling option can significantly decrease the number of relocations operations at a minimal impact on the commuters’ trip performance.…"
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163
Role of family in supporting children with mental disorders in Qatar
منشور في 2023"…<h3>Background</h3><p dir="ltr">Mental disorders can significantly impact children's lives and affect their emotional, cognitive, and behavioral development. …"
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164
Stemming cardiovascular diseases in Qatar
منشور في 2015"…<p>A new study by researchers at the Weill Cornell Medical College in New York and in Doha, Qatar, suggests that public health strategies could have a major impact on the incidence of cardiovascular diseases in the Qatari population.…"
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165
Relationship between Asymmetry Indices, Anthropometric Parameters, and Physical Fitness in Obese and Non-Obese High School Students
منشور في 2022"…Grouping participants based on body fat percentage had a significant effect on the AIs (p < 0.05) of the CMJ and YBT. …"
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166
Advanced direct air capture of CO<sub>2</sub> using air conditioning systems: a life cycle assessment
منشور في 2025"…The integrated system exhibits significantly reduced environmental impacts compared to a standalone DAC unit. …"
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167
Ecotoxicological Assessment of Thermally- and Hydrogen-Reduced Graphene Oxide/TiO<sub>2</sub> Photocatalytic Nanocomposites Using the Zebrafish Embryo Model
منشور في 2019"…However, both nanocomposites should be used with caution at concentration higher than the NOEC (400 mg/L), in particular RGOTi, which significantly (i) caused pericardial and yolk sac edema; (ii) decreased the hatching rate, locomotion, and hematopoietic activities; and (iii) affected the heart rate. …"
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168
Enhancing waste sorting and recycling efficiency: robust deep learning-based approach for classification and detection
منشور في 2024"…The material composition and volume of urban solid waste are key considerations in processing, managing, and utilizing city waste. …"
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169
Insights into rechargeable Zn-air batteries for future advancements in energy storing technology
منشور في 2023"…Therefore, this review provides significant insights into the fundamentals of Zn air battery system in terms of the underlying electrochemical mechanism, composition/structural performance relationship of different battery components. …"
احصل على النص الكامل
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170
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. …"
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171
Feasibility of a group-based laughter yoga therapy on anxiety and happiness among community-dwelling older adults: A quasi-experimental study
منشور في 2024"…</p><p><br></p><h3>Results</h3><p dir="ltr">A statistically significant decrease in anxiety level among the study group compared to the control group (Pre = 16.68 (7.35), immediate = 6.65 (2.89), post three-month = 7.68 (2.75), p=<0.001 and effect size = 0.715). …"
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172
YOLO-DefXpert: An Advanced Defect Detection on PCB Surfaces Using Improved YOLOv11 Algorithm
منشور في 2025"…<p dir="ltr">Surface defects in Printed Circuit Boards (PCBs), which arise during manufacturing, significantly impact product quality and directly influence equipment performance, stability and reliability. …"
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173
Psychological inoculation against problematic social media use among adolescents: An experimental study
منشور في 2025"…The passive inoculation group showed a significant decrease in deception only. No changes were observed in the control group. …"
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174
Effect of Flexural CFRP Sheets and Plates on Shear Resistance of Reinforced Concrete Beams
منشور في 2014احصل على النص الكامل
doctoralThesis -
175
Hybrid PCDTBT:PCBM:Graphene-Nanoplatelet Photoabsorbers
منشور في 2020"…We compare their stability and performance with composites obtained by integrating graphene nanoplatelets (GNPs). …"
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176
Trends of the Dementia Burden in South Asia: An Analysis of 2021 Global Burden of Disease Study
منشور في 2025"…</p><h3>Results</h3><p dir="ltr">A slight decrease in incidence rates from 80.57 to 79 per 100,000 was observed, alongside a significant increase in mortality rates from 14.11 to 17.2 per 100,000. …"
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177
Evidence and gaps in clinical outcomes of novel pharmacologic therapies for sickle cell disease: A systematic literature review highlighting insights from clinical trials and real-...
منشور في 2025"…The high discontinuation rate and results of the STAND trial led to a significant decrease in the use of crizanlizumab. The HOPE trial demonstrated a 51 % improvement in hemoglobin response and a reduction in hemolytic markers in patients treated with voxelotor. …"
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178
Shades of sustainability: A comprehensive analysis of the carbon footprint in conventional blue ammonia and urea manufacturing processes
منشور في 2025"…However, this integration also increases indirect emissions due to higher energy demands, with electricity-related emissions rising by 9.9%. …"
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179
Intravenous administration of gold nanoparticles in rats exhibit alterations in sphingomyelins, bile acids, sphingolipids, and cholesterol esters levels
منشور في 2024"…Results indicate that AuNPs treatment significantly impacted several metabolic pathways. Notably, there was an increase in sphingomyelin (SM 34:2) levels (estimate 0.23, <i>p</i> ≤ 0.001), which are critical for cell membrane structure and signalling. …"
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180
Carbon Nanotube Effect on the Ductility, Flexural Strength, and Permeability of Concrete
منشور في 2019"…<p>Recently, remarkable types of carbon nanofilaments called carbon nanotubes (CNTs) have raised the interest of many concrete and cementitious composite researchers due to their significant mechanical, electrical, thermal, kinetic, and chemical properties. …"