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141
Portfolio Selection Problem Using CVaR Risk Measures Equipped with DEA, PSO, and ICA Algorithms
منشور في 2022"…It was found that when solving the Mean-CVaR model with evolutionary algorithms, the risk decreased. …"
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142
Land surface temperature responses to land use dynamics in urban areas of Doha, Qatar
منشور في 2024"…The LST data derived from remote sensing sources demonstrates an upward trend for summer and a contrasting trend for winter. Specifically, the mean summer LST increases by 7.64 °C (0.34 °C annually), and the mean winter LST decreases by 4.87 °C (0.22 °C annually). …"
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143
Mental health, burnout and resilience in community pharmacists during the COVID-19 pandemic: A cross-sectional study
منشور في 2022"…Participants had shown moderate resilience (mean score: 27.64 (SD = 8.31)) and their mean score fear of COVID19 was 15.67 (SD = 6.54). …"
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144
Excess pCO<sub>2</sub> and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf)
منشور في 2022"…CO<sub>2</sub> is lost from the Gulf due to gas exchange, decreasing DIC, and reducing pCO<sub>2</sub> to 464 μatm, similar to that observed. …"
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145
Impact of staying at home measures during COVID-19 pandemic on the lifestyle of Qatar’s population: Perceived changes in diet, physical activity, and body weight
منشور في 2021"…Participants reported increased sitting/reclining time (1.94 h/day mean increase), screen times (2.05 h/day mean increase) with p < 0.001, and decreased exercise time (0.11 h/day mean reduction) with p < 0.001. …"
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146
Land surface temperature responses to land use dynamics in urban areas of Doha, Qatar
منشور في 2024"…The LST data derived from remote sensing sources demonstrates an upward trend for summer and a contrasting trend for winter. Specifically, the mean summer LST increases by 7.64 °C (0.34 °C annually), and the mean winter LST decreases by 4.87 °C (0.22 °C annually). …"
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147
Global, regional, and national burden of household air pollution, 1990–2021: a systematic analysis for the Global Burden of Disease Study 2021
منشور في 2025"…InterpretationAlthough the burden attributable to HAP has decreased considerably, HAP remains a substantial risk factor, especially in sub-Saharan Africa and south Asia. …"
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148
The Gulf Cooperation Council states: Crystallization of the regional cooperation and alliances amid dwindling resources
منشور في 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. Kuwait, Qatar, and the UAE (the rich triplet) have small populations while having large hydrocarbon (oil and natural gas) endowments compared to Bahrain, Oman, and Saudi Arabia. …"
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149
Studying coral reef patterns in UAE waters using panel data analysis and multinomial logit and probit models
منشور في 2020"…Furthermore, results demonstrated that the probability of severe damage increases with decreasing water oxygenation and with increasing temperature, light, salinity, acidity and nutrient levels. …"
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150
Psychological and Coping Strategies Related to Home Isolation and Social Distancing in Children and Adolescents During the COVID-19 Pandemic: Cross-sectional Study
منشور في 2021"…Higher levels of anger, depression, and general anxiety were prevalent among 1.3% (n=84), 3.9% (n=260), and 1.6% (n=104) of participants, respectively. The mean score for the emotional constructs anger and depression decreased with increased compliance with regulations (<i>P</i>=.04 and <i>P</i>=.11, respectively). …"
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151
Characterization of Non-hormone Expressing Endocrine Cells in Fetal and Infant Human Pancreas
منشور في 2019"…</p><p dir="ltr"><br></p><h3>Results: </h3><p dir="ltr">CPHN cell frequency decreased 84% (islets) and 42% (clusters) from fetal to infant life. …"
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152
Making Biomarkers Relevant to Healthcare Innovation and Precision Medicine
منشور في 2022"…The present article will focus on the clinical view of biomarkers in a reverse design, addressing how a biomarker program should appear if it is expected to create an impact on personalized medicine and patient care.…"
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153
Does standalone phacoemulsification lower intraocular pressure in glaucomatous eyes? A systematic review and meta-analysis
منشور في 2025"…In ACG patients, the pooled effect showed a percentage of IOP reduction (IOPR%) of 35.22% with a mean IOP reduction of −9.51 mmHg, <i>p</i>< 0.001 at 12 months, and an IOPR% of 27.47% with a mean reduction of −6.37 mmHg, <i>p</i> < 0.001 at 24 months. …"
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154
Effectiveness of external myofascial mobilisation in the management of male chronic pelvic pain of muscle spastic type: A retrospective study
منشور في 2021"…The mean (SD) NIH-CPSI score at initial evaluation was 29.41 (8.3) and decreased to 9.14 (3.45) after the fifth visit. …"
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155
Using artificially generated pictures in customer-facing systems: an evaluation study with data-driven personas
منشور في 2020"…Based on 496 participants using 4 persona treatments (2 × 2 research design), findings of Bayesian analysis show that using the artificial pictures in persona profiles did not decrease the scores for Authenticity, Clarity, Empathy, and Willingness to Use of the data-driven personas.…"
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156
STEM: spatial speech separation using twin-delayed DDPG reinforcement learning and expectation maximization
منشور في 2025"…In this paper, a novel speech separation algorithm is proposed that integrates the twin-delayed deep deterministic (TD3) policy gradient reinforcement learning (RL) agent with the expectation maximization (EM) algorithm for clustering the spatial cues of individual sources separated on azimuth. …"
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157
Fluid-Structure-Acoustic coupling analysis for external laminar and turbulent fluid flows
منشور في 2023"…The results indicate that the transmission loss is 27% more at the elastic plate’s highest position. By decreasing the length of the elastic plate by 50%, the mean transmission loss is reduced by 9%. …"
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158
Structural and physical properties of the dust particles in Qatar and their influence on the PV panel performance
منشور في 2016"…The installation of PV systems aimed at optimizing solar energy yield is primarily dictated by its geographic location and installation design to maximize solar exposure. However, even when these characteristics have been addressed appropriately, there are other factors that adversely affect the performance of PV systems, namely the temperature-induced voltage decrease leading to a PV power loss and the dust accumulation (soiling). …"
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159
Multilayer Reversible Data Hiding Based on the Difference Expansion Method Using Multilevel Thresholding of Host Images Based on the Slime Mould Algorithm
منشور في 2022"…One of the well-known designs of RDH is the difference expansion (DE) method. …"
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160
Changes in Physical Activity and Sedentary Behavior Amid Confinement: The BKSQ-COVID-19 Project
منشور في 2020"…Among the participants who were regularly involved in PA, the majority (41.8–42.2%) of the participants reported a “decrease” (p<0.05) in walking, jogging, and sports while the majority (46.3–53.1%) reported a “no change” (p<0.05) in swimming, cycling, and weight lifting. …"