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481
Dispatchable capacity optimization strategy for battery swapping and charging station aggregators to participate in grid operations
منشور في 2023"…Also, the aggregator does not worsen the original power load while meeting the EV swapping demand and can decrease the daily load fluctuations by 0.65% and 12.89%, reduce the peak–valley difference by 5.81% and 7.80%, and increase the load rate by 3.67% and 4.08% in working and non-working day situations through providing the dynamic dispatchable capacity for the grid.…"
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482
"Thunderstorm distribution and frequency in Saudi Arabia"
منشور في 2005احصل على النص الكامل
article -
483
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484
Isolation and study of Lipase activity of an olive oil degrading Thermoactionomyces SP. (c2002)
منشور في 2002"…The isolate grew optimally at a temperature of 60°C, a pH of 7.3, and an orbital shaking of 250 r.p.m. It showed an efficient olive oil degrading ability. …"
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احصل على النص الكامل
masterThesis -
485
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486
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"…Globally between 2010 and 2021, the age-standardised DALY rates for HIV/AIDS decreased by 47·8% (43·3–51·7) and for diarrhoeal diseases decreased by 47·0% (39·9–52·9). …"
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احصل على النص الكامل
احصل على النص الكامل
article -
487
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. …"
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488
Leveraging sentiment analysis of Arabic Tweets for the 2022 FIFA World Cup insights, incorporating the gulf region
منشور في 2024"…After data cleaning, a refined dataset of 43,658 tweets, was categorized into positive, neutral, and negative sentiments based on sentiment scores.</p><h3>Findings</h3><p dir="ltr">Arabic tweets, initially held a positive sentiment towards the World Cup, which increased during the tournament, accompanied by a decrease in negative sentiment.…"
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489
IoT‐based mock oxygenator for extracorporeal membrane oxygenation simulator
منشور في 2023"…For the context of simulation-based training (SBT) oxygenators are often expensive and cannot be recycled owing to contamination issues.</p> <h3> Methods</h3> <p>Consequently, it is advised that the training process include a simulated version of oxygenators to optimize reusability and decrease training expenses. …"
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490
Reducing terrorism with development ; the United Nations' new path. (c2009)
منشور في 2009احصل على النص الكامل
احصل على النص الكامل
masterThesis -
491
Dissecting the signaling pathways regulating the vascular endothelial growth factor (VEGF) in brain tumor cells. (c2017)
منشور في 2017"…However, when both RhoA and RhoC were knocked down, VEGF expression decreased after EGF stimulation. Moreover, when the astrocytoma cells were subjected to hypoxia at different times, we detected a significant increase in pERK. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل
masterThesis -
492
A clustering metaheuristic for large orienteering problems
منشور في 2022"…The metaheuristic aims to dramatically improve the computation time of a given Orienteering Problem algorithm without a significant decrease in the solution quality of that algorithm, especially for large Orienteering Problems. …"
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493
Public motives and willingness to participate in first-in-human clinical trials in Saudi Arabia: A new era in the making
منشور في 2019"…Results Study participants who were invited and completed the survey were 657. The percentage mean score of participants’ attitudes and concern was 70.1 ± 16.4 and 58.3 ± 15.3 respectively. …"
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احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل
article -
494
PD-L1 Expression in Human Breast Cancer Stem Cells Is Epigenetically Regulated through Posttranslational Histone Modifications
منشور في 2019"…The active demethylation of PD-L1 promoter was confirmed by the increase in the distribution of 5hmC and decrease in 5mC levels and the upregulation of TET3 and downregulation of DNMTs enzymes in MCF-7 tumorspheres, compared with the cell line. …"
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495
An Exploration of Smoking Patterns Among People with Serious Mental Illness Attending an Outpatient Clinic in Qatar
منشور في 2022"…<h3>Background</h3><p dir="ltr">Studies have shown that tobacco use is exceptionally high in people affected with serious mental illness (SMI). …"
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496
Performance analysis of a small-scale Orthopter-type Vertical Axis Wind Turbine
منشور في 2018"…Wind tunnel experiments were carried out to measure the torque of two-, three, and four-bladed turbine, each at a set of different wind speeds and blade aspect ratios. …"
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احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل
article -
497
New algorithm based active method to eliminate stick-slip vibrations in drill string systems
منشور في 2022"…In fact, the proposed controller presented a reduction of nearly 26% in terms of overshoot and 1.6 times better settling time values while having the smoother input signal.…"
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498
Walking around the preferred speed: examination of metabolic, perceptual, spatiotemporal and stability parameters
منشور في 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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499
Coping strategies, optimism, and resilience factors associated with mental health outcomes among medical residents exposed to coronavirus disease 2019 in Qatar
منشور في 2023"…Strategies promoting optimism, resilience, and approach coping styles can decrease the mental health burden of the pandemic on medical residents.…"
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500
Children safety risk factors in Khorasan Razavi province
منشور في 2015"…Analysis of reported accidents during recent years showed that the number of traffic accidents sharply decreased that could be a result of educational programs along with traffic calming measure around schools. …"