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261
Non-Isolated DC–DC Power Converter With High Gain and Inverting Capability
منشور في 2021"…To reduce the ripple in the input current with simultaneous decreasing the input current ripple, a novel current fed interleaved high gain converter is proposed by utilizing the interleaved front-end structure and Cockcroft Walton (CW)-Voltage Multiplier (VM). …"
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262
Functionalization of reverse osmosis membrane with graphene oxide to reduce both membrane scaling and biofouling
منشور في 2020"…Results indicated that the permeate flux was reduced by only 15% at the end of the scaling experiment as opposed to the bared RO membrane which faced up to 22% decline in flux. …"
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263
Impaired Liver Size and Compromised Neurobehavioral Activity are Elicited by Chitosan Nanoparticles in the Zebrafish Embryo Model
منشور في 2019"…Although no single sign of cardiotoxicity was observed upon exposure to 200 mg/L of ChNPs, as judged by heartbeat rate, the corrected QT interval (QTc, which measures the time between the start of the Q wave and the end of the T wave in the heart's electrical cycle), maximum cardiac arrest, and ejection fraction assays, the same dosage elicited the impairment of both liver size (decreased liver size, but without steatosis and lipid yolk retention) and neurobehavioral activity (increased movement under different light conditions). …"
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264
Performance and analysis of kappa-carrageenan hydrogel for PFOA-contaminated soil remediation wastewater treatment
منشور في 2024"…After three filtration cycles, the water flux decline of 3%kC-0.3%AC was less than 10%. The gravity dead-end kC hydrogel provides sustainable PFOA wastewater treatment with biodegradable and natural materials.…"
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265
Carotid artery revascularization through a radiated field
منشور في 2003"…All patients had received previous radiation therapy within a mean interval of 10 years (range, 1-26 years), with average radiation dose of 62 Gy (range, 50-70 Gy). …"
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266
Analyzing the Influence of Climate and Anthropogenic Development on Vegetation Cover in the Coastal Ecosystems of GCC
منشور في 2025"…Our results revealed significant changes in land cover, as seen by an increase in artificial built-up areas by 15.5% in two decades and a corresponding decrease in bareland and dense vegetation. We also observed an increase in mangrove and seagrass areas, likely due to recent conservation and afforestation efforts. …"
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267
Innovative strategies to reduce traffic related injuries and deaths in youth
منشور في 2015"…Studies have shown young drivers are more likely to underestimate the probability of specific risks caused by traffic situations, as well as to overestimate their own driving skills making them more vulnerable to trauma. …"
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268
Stemming cardiovascular diseases in Qatar
منشور في 2015"…Many of the heart attack and stroke patients had diabetes, hypertension, high cholesterol, and/or were smokers, whereas controls were much less likely to have these factors.</p><p>All of these factors are associated with reduced physical activity and increased consumption of high-fat foods. …"
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269
Pleiotropic functions of the tumor- and metastasis-suppressing matrix metalloproteinase-8 in mammary cancer in MMTV-PyMT transgenic mice
منشور في 2015"…These findings provide novel insight into the suppressive action of MMP-8 on mammary tumorigenesis and metastasis, and indicate that the loss of MMP-8 likely has pleiotropic effects on innate immunity and angiogenesis that are reflected in changes in the protease web.…"
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270
Quantitative Compressibility Effects in Thermal Elastohydrodynamic Circular Contacts
منشور في 2015"…The results reconfirm the well-known observations that minimum film thickness is very little affected by lubricant compressibility while central film thickness decreases linearly with the increase in volume compression of the lubricant. …"
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271
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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272
Public motives and willingness to participate in first-in-human clinical trials in Saudi Arabia: A new era in the making
منشور في 2019"…In contrary, for every one unit increase in concern scores, the odds of enrollment decreased among study participants by 0.98 [0.97–0.99], adj.P = 0.017. …"
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273
The global, regional, and national burden of stomach cancer in 195 countries, 1990–2017: a systematic analysis for the Global Burden of Disease study 2017
منشور في 2020"…Interpretation Our findings provide insight into the changing burden of stomach cancer, which is useful in planning local strategies and monitoring their progress. To this end, specific local strategies should be tailored to each country's risk factor profile. …"
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274
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275
The thioredoxin homolog YbbN functions as a chaperone rather than as an oxidoreductase
منشور في 2008"…Escherichia coli contains two thioredoxins, Trx1 and Trx2, and a thioredoxin-like protein, YbbN, which presents a strong homology in its N-terminal part with thioredoxins, and possesses a 20 kDa C-terminal part of unknown function. …"
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276
Stimulation of sphingosine 1-phosphate signaling as an alveolar cell survival strategy in emphysema
منشور في 2010"…Administration of sphingosine decreased the ceramide-to-S1P ratio in the lung and inhibited alveolar space enlargement, along with activation of prosurvival signaling pathways and decreased lung parenchyma cell apoptosis. …"
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277
A new perspective on cardiovascular drift during prolonged exercise
منشور في 2021"…<p dir="ltr">Prolonged exercise induces cardiovascular drift, which is characterized by decreasing mean arterial pressure (MAP), stroke volume and heart rate increase. …"
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278
Prediction of biogas production from chemically treated co-digested agricultural waste using artificial neural network
منشور في 2020"…An ANN model consists of three layers, 15 neutrons and 260 <i>epochs</i> accurately predict the CMP with 99.1% of data within ±10% deviation of the mean experimental value. The developed model can be used to forecast the CMP as a function of operating temperature, the substrate composition, and chemical dose, and can be used for scaling-up and cost analysis purposes.…"
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279
Investigation of Groundwater Depletion in the State of Qatar and Its Implication to Energy Water and Food Nexus
منشور في 2021"…Long-term temperature data indicates that the annual mean temperature increased significantly by 1.02 °C between 1987 and 2016, while total rainfall exhibited a slight decreasing trend. …"
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280
Maternal Body Mass Index and Recommended Gestational Weight Gain in a Middle Eastern Setting
منشور في 2023"…</p><h3>Results</h3><p dir="ltr">The mean maternal age was 29.7 ± 5.5 years, prepregnancy BMI was 27.5 ± 5.8 kg/m2, GWG was 9.58 kg ± 6.87 kg and gestational age at birth was 38.5 ± 1.9 weeks. …"