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Hydrogen energy systems: Technologies, trends, and future prospects
Published 2024“…Presently, electrolysis efficiencies range between 60 % and 80 %, with hydrogen production costs around $5 per kilogram. Strategic advancements are necessary to reduce these costs below $2 per kilogram and push efficiencies above 80 %. …”
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22
Optimization of Community Integrated Energy System for the State of Qatar Towards Sustainable Development
Published 2025“…This is mainly due to the highest emissions per capita records and contribution to the climate change issue. …”
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23
Thermodynamic Analysis of Gravity Assisted Solar-Powered Reverse Osmosis Unit for Greenhouses Situated in a Depleted Zone with Performance Evaluation and Improvements Using Nanoflu...
Published 2021“…The system utilises the Atlantic Ocean's hydrostatic pressure to decrease the reverse osmosis (RO) unit's power consumption. …”
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24
Trends of the Dementia Burden in South Asia: An Analysis of 2021 Global Burden of Disease Study
Published 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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25
Food safety knowledge attitude and practices of oncology nurses, in Lebanese hospitals
Published 2023“…Knowledge scores were higher among nurses holding a graduate degree (mean = 85; p < 0.05), and those who attended a training course (mean = 79; p < 0.05). …”
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26
The Gulf Cooperation Council states: Crystallization of the regional cooperation and alliances amid dwindling resources
Published 2021“…<p dir="ltr">The Gulf Cooperation Council (GCC) states can be divided into two main camps in terms of hydrocarbon endowment per capita which can partially account for differences in policy directions. …”
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27
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?
Published 2025“…Mean HbA1c significantly decreased from 8.1%preop to 6.77%<sub>year 9</sub>. …”
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28
Forecast of the outbreak of COVID-19 using artificial neural network: Case study Qatar, Spain, and Italy
Published 2021“…The model sensitivity was analyzed using the root mean square error (RMSE), the mean absolute percentage error and the regression coefficient index R2, which yielded highly accurate values of the predicted correlation for the infected and dead cases of 0.99 for the dates considered. …”
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Machine Learning and Carbonate Reservoirs : A Production Data Perspective on Permeability Modelling
Published 2024“…</p><p dir="ltr">The ANN was rigorously tested, showing remarkable accuracy with the highest mean squared error (MSE) being 7.02 and the lowest MSE being 1.19, demonstrating its capability of modeling permeability. …”
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30
Walking around the preferred speed: examination of metabolic, perceptual, spatiotemporal and stability parameters
Published 2024“…Thirty-four young sedentary adults (18 women) volunteered to walk at seven speeds relative to their PWS in 3-min trials interspaced with 3-min rest intervals. …”
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31
Editorial of Harnessing the Power of T Cells: The Promising Hope for a Universal Influenza Vaccine
Published 2020“…<p dir="ltr">The global burden of influenza-associated respiratory mortality is higher than previous estimates, with over 0.6 million deaths per year and additional mortality rates attributed to non-respiratory but influenza-related illnesses [1]. …”
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32
Global, regional, and national burden of upper respiratory infections and otitis media, 1990–2021: a systematic analysis from the Global Burden of Disease Study 2021
Published 2024“…The mortality rate of URIs in 2021 was 0·2 per 100 000 (0·1 to 0·5), a decrease of 64·2% (–84·6 to –43·4) from 1990, when the mortality rate was 0·7 per 100 000 (0·2 to 1·1). …”
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33
Investigating the impact of remittance outflows and oil price on economic growth in Gulf Cooperation Council countries
Published 2023“…This study utilizes the nonlinear augmented mean group method to explore the possible asymmetric impact of remittance outflows on economic growth in Gulf Cooperation Council (GCC) countries for the period of 2000–2019. …”
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34
Investigating the impact of remittance outflows and oil price on economic growth in Gulf Cooperation Council countries
Published 2023“…This study utilizes the nonlinear augmented mean group method to explore the possible asymmetric impact of remittance outflows on economic growth in Gulf Cooperation Council (GCC) countries for the period of 2000–2019. …”
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35
Credit bureaus and financial constraints do corruption matter?
Published 2022“…Our findings remain robust with different corruption indices and with the addition of new control variables such as firms’ sales and size, government and exporting firms, and per-capita GDP, inflation, trade, population and human capital.…”
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36
Food safety knowledge attitude and practices of oncology nurses, in Lebanese hospitals
Published 2023“…Knowledge scores were higher among nurses holding a graduate degree (mean = 85; p < 0.05), and those who attended a training course (mean = 79; p < 0.05). …”
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37
Water Footprint Assessment and Virtual Water Trade in the Globally Most Water-Stressed Country, Qatar
Published 2023“…The virtual water exports gradually decreased over the years with the most notable decrease in 2018 following Qatar’s blockade. …”
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38
Physical Exercise Reduces the Expression of RANTES and Its CCR5 Receptor in the Adipose Tissue of Obese Humans
Published 2014“…In the present study, we investigated for the first time the effect of physical exercise on the expression of RANTES and CCR5 in obese humans. Fifty-seven adult nondiabetic subjects (17 lean and 40 obese) were enrolled in a 3-month supervised physical exercise. …”
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39
Rebound effects undermine carbon footprint reduction potential of autonomous electric vehicles
Published 2023“…Our results show that autonomy introduces an average 21.2% decrease in operation phase emissions due to improved fuel economy while manufacturing phase emissions can surge up to 40%. …”
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40
Successful Use of Intravenous B-blocker Therapy in Cardiogenic Shock Supported With Venoarterial Extracorporeal Membrane Oxygenation: A Case Series
Published 2022“…<p dir="ltr">Tachycardia in cardiogenic shock (CS) might reduce the cardiac output (CO) by decreasing the ventricular filling time. Nevertheless, heart rate (HR) control with agents that possess negative inotropy might decrease the CO. …”