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The Trace Element Composition of Size Fractionated Suspended Particulate Matter Samples from the Qatari EEZ of the Arabian Gulf: The Role of Atmospheric Dust
منشور في 2019"…<p dir="ltr">We analyzed net-tow samples of natural assemblages of plankton, and associated particulate matter, from the Exclusive Economic Zone (EEZ) of Qatar in the Arabian Gulf. …"
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Life cycle assessment of binary recycled ceramic tile and recycled brick waste-based geopolymers
منشور في 2022"…<p dir="ltr">This paper consists of a life cycle assessment (LCA) analysis on an experimental study to produce recycled brick waste (RBW) and recycled ceramic tile (RCT) based geopolymers. …"
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Comprehensive thermoeconomic, exergoeconomic, and optimization analyses of direct oxy‐combustion supercritical CO<sub>2</sub> intercooled and reheated cycles under design and off‐d...
منشور في 2022"…At optimized conditions (<i>P</i><sub>c,o</sub> = 30 MPa, Pc,o = 8 MPa, TIT = 744°C, CIT = 30°C [wet‐cooling]), the ICC shows superior energetic performance (52.08%) compared to 47.97% for DRC, 49.20% for PIC, and 48.62% for RHC. At off‐design conditions with a power demand (PD) of 40% of the design load (50 MW), the thermal efficiency is decreased by 21.82% in DRC, 17.71% in ICC, 22.46% in PIC, and 13.60% in RHC. …"
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Novel Ternary Adder and Multiplier Designs Without Using Decoders or Encoders
منشور في 2021"…Extensive simulations (over 160) of the proposed designs in terms of PVT (Process, Voltage, Temperature) variations, noise effect, and scalability studies, along with several benchmark designs using HSPICE simulator, prove the significance of the proposed circuits to decrease the power-delay product (PDP), improve the robustness to process variations, and the noise tolerance. …"
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Ultra-Low Energy CNFET-Based Ternary Combinational Circuits Designs
منشور في 2021"…The target of this work is to decrease energy consumption by (1) using Multiple-valued logic (MVL) that shows notable enhancements regarding energy consumption over binary circuits and (2) using carbon nanotube field-effect transistors (CNFET) that show better performance than CMOS. …"
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Global incidence, prevalence, years lived with disability (YLDs), disability-adjusted life-years (DALYs), and healthy life expectancy (HALE) for 371 diseases and injuries in 204 co...
منشور في 2024"…MethodsThe GBD 2021 disease and injury burden analysis estimated years lived with disability (YLDs), years of life lost (YLLs), disability-adjusted life-years (DALYs), and healthy life expectancy (HALE) for 371 diseases and injuries using 100 983 data sources. …"
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Influence of shelf-life duration on mechanical, thermal and shape recovery motion derivatives of shape memory polyurethane
منشور في 2024"…The present research, therefore explores the effect of shelf life on mechanical, thermal and shape recovery performance of polyurethane (PU) based shape memory polymer (SMP). …"
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28
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"…<p dir="ltr">We analyzed net-tow samples of natural assemblages of plankton, and associated particulate matter, from the Exclusive Economic Zone (EEZ) of Qatar in the Arabian Gulf. …"
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A kinetic evaluation of nutrient and organic matter removal in greywater for green Walls: Assessing the performance of Mineral-Based, Organic, and Waste-Derived plant support media
منشور في 2024"…<p dir="ltr">Greywater recycling provides a means to address rising water demand with reduced environmental impact due to its abundance and lightly polluted nature. …"
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Life cycle assessment of compressed air, vanadium redox flow battery, and molten salt systems for renewable energy storage
منشور في 2021"…This paper considers three energy storage techniques that can be suitable for hot arid climates namely; compressed air energy storage, vanadium redox flow battery, and molten salt thermal storage and performs a comprehensive life cycle assessment analysis to comparatively evaluate the environmental impacts per kWh of energy. …"
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Assessment of treatment burden and its impact on quality of life in dialysis-dependent and pre-dialysis chronic kidney disease patients
منشور في 2021"…There was a strong negative correlation between TBQ score and KDQOL-36™ score [rs (251) = −0.616, p < 0.001], signifying that HR-QOL decreases as treatment burden increases.</p><h3>Conclusions</h3><p dir="ltr">This study suggests that a considerable proportion of CKD patients suffered from treatment-related burden and deterioration in HR-QOL at a varying degree of seriousness. …"
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Global burden and strength of evidence for 88 risk factors in 204 countries and 811 subnational locations, 1990–2021: a systematic analysis for the Global Burden of Disease Study 2...
منشور في 2024"…We separated risk factors into three groups according to trajectory over time: those with a decreasing attributable burden, due largely to declining risk exposure (eg, diet high in trans-fat and household air pollution) but also to proportionally smaller child and youth populations (eg, child and maternal malnutrition); those for which the burden increased moderately in spite of declining risk exposure, due largely to population ageing (eg, smoking); and those for which the burden increased considerably due to both increasing risk exposure and population ageing (eg, ambient particulate matter air pollution, high BMI, high FPG, and high SBP). …"
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Health in times of uncertainty in the eastern Mediterranean region, 1990–2013: a systematic analysis for the Global Burden of Disease Study 2013
منشور في 2016"…However, diarrhoeal diseases were the leading cause of death in Somalia (186·7 deaths per 100 000 people) in 2013, which decreased by 26·9% since 1990. The leading cause of disability-adjusted life-years (DALYs) was ischaemic heart disease for males and lower respiratory infection for females. …"
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Wave-packet dynamics in monolayer graphene with periodic scattering potentials
منشور في 2025"…For example, depending on the height and size of the incident wave packet, the transmission probability can decrease by more than 30%. The alteration of the polarity of the potential barriers also contributes to the transmission probabilities of the wave packets in graphene. …"
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Life-threatening abdominal compartment syndrome as a complication of supine super mini percutaneous nephrolithotomy, the first case report and literature review
منشور في 2021"…Although it is a challenging diagnosis and life-threatening condition, morbidity and mortality can be decreased with early detection and drainage of the intra-peritoneal fluid, causing increased abdominal pressure, which is the most important prognostic factor.…"
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Changing life expectancy in European countries 1990–2021: a subanalysis of causes and risk factors from the Global Burden of Disease Study 2021
منشور في 2025"…In 2019–21, there was an overall decrease in mean annual life expectancy across all countries (overall mean –0·18 years [95% UI –0·22 to –0·13]), with all countries having an absolute fall in life expectancy except for Ireland, Iceland, Sweden, Norway, and Denmark, which showed marginal improvement in life expectancy, and Belgium, which showed no change in life expectancy. …"
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Life cycle assessment and sustainability enhancement of closed-loop carbon dioxide enhanced oil recovery: Field-scale evaluation in Qatar’s Dukhan Reservoir
منشور في 2025"…<p>This study presents a comprehensive environmental evaluation of direct CO₂ injection for Enhanced Oil Recovery (EOR) in the Dukhan Field, Qatar, using a gate-to-gate Life Cycle Assessment (LCA) coupled with an energy optimisation framework. …"
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Design and analysis of PV fed high-voltage gain DC-DC converter using PI and NN controllers
منشور في 2022"…The entire system was designed in MATLAB/ Simulink tool.…"
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Which factor explains the life‐history of <i>Xanthium strumarium</i> L., an aggressive alien invasive plant species, along its altitudinal gradient?
منشور في 2022"…Among climatic variables, mean yearly temperature, mean annual yearly humidity, and mean day length in hours, while in soil variables, organic matter and nitrogen percentage significantly affect the phenological and morphological stages. …"