بدائل البحث:
_ been » _ beef (توسيع البحث)
a nn » a non (توسيع البحث), k nn (توسيع البحث), _ nn (توسيع البحث)
_ fe » _ e (توسيع البحث)
_ been » _ beef (توسيع البحث)
a nn » a non (توسيع البحث), k nn (توسيع البحث), _ nn (توسيع البحث)
_ fe » _ e (توسيع البحث)
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1
Design and analysis of PV fed high-voltage gain DC-DC converter using PI and NN controllers
منشور في 2022"…When the converter switch comes under active state two capacitors are discharged in series, similarly when the converter switch under inactive state those two capacitors are charged in parallel through the coupled inductor (CI) energy so, to get a high voltage at the converter output side. To reuse the leakage-inductor (LI) energy of the CI with the help of a passive clamp circuit for reducing the voltage stress across the switch, similarly switch has less resistance so conduction losses also decreased. …"
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2
Ferroelectric Properties and Electrocaloric Effect in Dy2O3 Substitution on Lead-Free (Na0.5 Bi0.5)0.94 Ba0.06TiO3 Ceramic
منشور في 2023"…Higher stability of the ferroelectric (FE) phase was obtained at room temperature for the compositions y = 0.01, 0.02 and 0.05, with optimum values for y = 0.02 as remanent polarization Pr = 32µC/cm2, as well as piezoelectric coefficients d33 = 137 pC/N, kp = 0.27 and kt = 0.16, whereas a higher content of Dy (y = 0.08) induced a remarkable decrease of the ferroelectric and piezoelectric properties. …"
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3
Control of the Speed of a Light-Induced Spin Transition through Mesoscale Core-Shell Architecture
منشور في 2018"…A series of photomagnetic coordination polymer core-shell heterostructures, based on the light-switchable RbaCob[Fe(CN)6]c·mH2O (RbCoFe-PBA) as core with the isostructural KjNik[Cr(CN)6]l·nH2O (KNiCr-PBA) as shell, are studied using temperature-dependent powder X-ray diffraction and SQUID magnetometry. …"
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4
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5
An Improved Genghis Khan Optimizer based on Enhanced Solution Quality Strategy for Global Optimization and Feature Selection Problems
منشور في 2024"…To assess the efficacy of the I-GKSO, it has been subjected to comparisons with multiple different algorithms. …"
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6
High flow nasal oxygen (HFNO) in the treatment of COVID-19 infection of adult patients from – An emergency perspective: A systematic review and meta-analysis
منشور في 2023"…In such cases of severe illness, high flow nasal oxygen (HFNO) has been used to provide oxygenation to COVID-19 patients. …"
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7
Western diet induces mild metabolic impairment and aggravates neuropathology in an experimental mouse model of traumatic brain injury
منشور في 2024"…Individuals with TBI have a greater risk of mortality from associated chronic diseases than the general population. WD has been shown to impair cognitive function, decrease the brain's capacity to compensate for insult by affecting recovery as well as induce metabolic syndrome (MetS) which may be a risk factor for poor TBI prognosis. …"
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8
Influenza prevalence and vaccine efficacy among diabetic patients in Qatar
منشور في 2023"…Still, reports about influenza prevalence and vaccine efficacy in DM patients have not been reported. This study aimed to analyze influenza prevalence among other respiratory infections and assess influenza vaccine efficacy in DM patients in Qatar. …"
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9
Excess pCO2 and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf)
منشور في 2022"…Carbonate forming plankton have not been observed in the water column suggesting that calcification occurs in corals, even though they have been severely damaged by past bleaching events. …"
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10
Trends in the global, regional, and national burden of oral conditions from 1990 to 2021: a systematic analysis for the Global Burden of Disease Study 2021
منشور في 2025"…Furthermore, DALY rates of lip and oral cavity cancer decreased in the European region and the region of the Americas, while DALY rates of orofacial clefts decreased in all regions. …"
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11
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
منشور في 2024"…The global all-age incidence rate of URIs decreased by 10·1% (–12·0 to –8·1) from 1990 to 2019. …"
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12
Preterm birth in low-middle income Countries
منشور في 2024"…Although the overall trend is decreasing, this is mainly in high-income countries (HIC). …"
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13
Delineating the molecular mechanisms of hippocampal neurotoxicity induced by chronic administration of synthetic cannabinoid AB-FUBINACA in mice
منشور في 2024"…Chronic use of synthetic cannabinoids (SCs) has been associated with cognitive and behavioural deficits and an increased risk of neuropsychiatric disorders. …"
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14
Heart Rate Variability Analysis Reveals a Non-monotonic Relationship between Humanin Concentration and Cardiac Autonomic Regulation
منشور في 2022"…Oxidative stress (OS) has been shown to have a negative effect on the autonomic nervous system (ANS) and on ANS modulation of heart rate. …"
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15
Effects of financial turmoil on financial integration and risk premia in emerging markets
منشور في 2016"…We find that while the financial integration of emerging stock markets has registered short-term reversals episodes in countries that have been exposed to national or/and regional financial crises, it has decreased in most of the emerging countries of our sample since the global crisis. …"
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16
Fluid-Structure-Acoustic coupling analysis for external laminar and turbulent fluid flows
منشور في 2023"…However, the effect of a rib and elastic plate on the acoustic properties of a channel for a wide range of Reynolds numbers has not yet been investigated, although their use could reduce noise pollution. …"
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17
Energy saving potential analysis applying factory scale energy audit – A case study of food production
منشور في 2023"…The CO2 harmful emissions were also decreased. Additionally, it is estimated that switching from the proposed motors to energy-efficient motors will cost less overall over time, saving around 3472.314 JD/month or 0.33576/year on average. …"
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18
Graph-Guided Regularized Regression of Pacific Ocean Climate Variables to Increase Predictive Skill of Southwestern U.S. Winter Precipitation
منشور في 2021"…Recently, promising data-driven approaches have been proposed, but they often suffer from overparameterization and overfitting due to the short observational record, and they often do not account for spatiotemporal dependencies among covariates (i.e., predictors such as sea surface temperatures). …"
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19
Serum 25-hydroxyvitamin D concentrations are inversely associated with body adiposity measurements but the association with bone mass is non-linear in postmenopausal women
منشور في 2021"…Vitamin D deficiency has been linked to increased adiposity and decreased bone density. …"
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20
Worldwide trends in blood pressure from 1975 to 2015: a pooled analysis of 1479 population-based measurement studies with 19·1 million participants
منشور في 2017"…Prevalence of raised blood pressure decreased in high-income and some middle-income countries; it remained unchanged elsewhere. …"
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