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581
A Multidecadal Assessment of Haze Development and Fluctuations in Visibility for Arabian Peninsula
منشور في 2024"…The main objective of this paper is to analyze the long-term (1975–2023) trends of visibility fluctuations and development of haze for six countries including Kingdom of Saudi Arabia (KSA), Iraq (IRQ), Qatar (QTR), Kuwait (KWT), United Arab Emirates (UAE), and Oman (OMN). To comprehend the time-based patterns of visibility across the ME, we utilized the Mann Kendall (MK) and Modified Mann Kendall (MMK) trend estimators in both space and time. …"
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582
Receivers location privacy in avionic crowdsourced networks: Issues and countermeasures
منشور في 2021"…As a worst-case scenario, we demonstrate that, when a feasible number of receivers are deployed in the same area of a protected one, due to the nature of involved ADS-B data, standard time-based localization schemes can identify the location of any protected receiver. …"
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583
Energy conversion of heat from abandoned oil wells to mechanical refrigeration - Transient analysis and optimization
منشور في 2021"…The effects of the temperature variation of the geofluid over operation time, the working fluids, the high pressure and the temperatures of the heat source and sink are investigated. …"
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584
Evaluation of The Factors Affecting Microplastics and Nanoparticles in Plastic Water Supply Pipes
منشور في 2020احصل على النص الكامل
doctoralThesis -
585
A nonlinear PID servo controller for computer hard disk drives
منشور في 2020"…A nonlinear PID scheme is proposed as an efficient hard disk drive servo controller, reducing the settling time and lowering the required control effort. The controller is capable of increasing (decreasing) damping effect when the system output is moving away from (towards) the desired track. …"
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article -
586
Response of cauliflower (<i>Brassica oleracea</i> L.) to nitric oxide application under cadmium stress
منشور في 2022"…Our results illustrated that the increasing levels of Cd in the sand, significantly (P < 0.05) decreased shoot length, root length, shoot fresh weight, root fresh weight, shoot dry weight, root dry weight, germination percentage, germination index, mean germination time, time to 50% germination, chlorophyll a, chlorophyll b, total chlorophyll and carotenoid contents in all genotypes of B. oleracea. …"
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587
Kefir exhibits anti‑proliferative and pro‑apoptotic effects on colon adenocarcinoma cells with no significant effects on cell migration and invasion
منشور في 2014"…To assess the effect of kefir on cancer metastasis, wound‑healing and time‑lapse movies, in addition to collagen‑based invasion assay, were used. …"
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article -
588
Modeling the influence of daily temperature and precipitation extreme indices on vegetation dynamics in Katsina State using statistical downscaling model (SDM)
منشور في 2023"…All the scenarios present increasing minimum and maximum temperatures and decreasing precipitation, except for RCP8.5, which predicted a more adverse trend. …"
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589
Adopting Geophysical Testing Techniques in Geotechnical Investigation and Shallow Foundation Design
منشور في 2018احصل على النص الكامل
doctoralThesis -
590
Stabilization of Sandy Soil Against Internal Erosion Using Lime
منشور في 2021احصل على النص الكامل
doctoralThesis -
591
Global, regional, and national stillbirths at 20 weeks' gestation or longer in 204 countries and territories, 1990–2021: findings from the Global Burden of Disease Study 2021
منشور في 2024"…Findings: In 2021, the global stillbirth rate was 23·0 (95% uncertainty interval [UI] 19·7–27·2) per 1000 births (stillbirths plus livebirths) at 20 weeks' gestation or longer, compared to 16·1 (13·9–19·0) per 1000 births at 28 weeks' gestation or longer. …"
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article -
592
Clinical characteristics and outcome of children with acute cryptorchid testicular torsion: A single-center, retrospective case series study
منشور في 2024"…The median age of patients at the time of the surgery was 65 months (interquartile range (IQR) 4–136 months). …"
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593
Nonlinear Control of Brushless Dual-Fed Induction Generator With a Flywheel Energy Storage System for Improved System Performance
منشور في 2025"…After optimization, the SMC settling time was significantly reduced from 0.7 seconds to 19.97 milliseconds, achieving a 96.9% improvement in response speed, while its steady-state error decreased from 0.48 to 0.06, marking an 87.5% reduction in tracking error. …"
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594
The Sources of Variance in the Helsinki Stock Exchange
منشور في 2017"…Furthermore, inserting the ratio of volume expectation to duration expectation in the ARMA model and the vector error correction (VEC) model, we find that the short-term variance increases (decreases) when more (less) than 1 unit share is traded for 1 unit time.…"
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conferenceObject -
595
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596
Causes of blindness and vision impairment in 2020 and trends over 30 years, and prevalence of avoidable blindness in relation to VISION 2020: the Right to Sight: an analysis for th...
منشور في 2020"…</p><p><br></p><h3>Findings</h3><p dir="ltr">Global crude prevalence of avoidable vision impairment and blindness in adults aged 50 years and older did not change between 2010 and 2019 (percentage change −0·2% [95% UI −1·5 to 1·0]; 2019 prevalence 9·58 cases per 1000 people [95% IU 8·51 to 10·8], 2010 prevalence 96·0 cases per 1000 people [86·0 to 107·0]). …"
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597
Small molecule inhibition of stat3 enhances survival in mice with intracerebral melanoma
منشور في 2008"…In addition, WP1066 decreased the level of c-Myc and survivin in melanoma cells in a dose- and time-dependent manner. …"
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conferenceObject -
598
Pore-scale simulation of fine particles migration in porous media using coupled CFD-DEM
منشور في 2022"…Simulations indicate that permeability reduction due to fine migration in porous media is directly proportional to flow velocity. The time required to develop bridging and subsequent clogging of the pore space that lead to permeability reduction decreases as the flow velocity increases. …"
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599
Mapping subnational HIV mortality in six Latin American countries with incomplete vital registration systems
منشور في 2021"…</p><h3>Results</h3><p dir="ltr">All countries displayed over a 40-fold difference in HIV mortality between municipalities with the highest and lowest age-standardized HIV mortality rate in the last year of study for men, and over a 20-fold difference for women. Despite decreases in national HIV mortality in all countries—apart from Ecuador—across the period of study, we found broad variation in relative changes in HIV mortality at the municipality level and increasing relative inequality over time in all countries. …"
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600
A Scoping Review to Find Out Worldwide COVID-19 Vaccine Hesitancy and Its Underlying Determinants
منشور في 2021"…Sometimes, several studies had been performed in the same country, and it was observed that vaccine hesitancy was high earlier and decreased over time with the hope of vaccine efficacy. …"