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Hydrogen energy systems: Technologies, trends, and future prospects
منشور في 2024"…Presently, electrolysis efficiencies range between 60 % and 80 %, with hydrogen production costs around $5 per kilogram. Strategic advancements are necessary to reduce these costs below $2 per kilogram and push efficiencies above 80 %. …"
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An enhanced k-means clustering algorithm for pattern discovery in healthcare data
منشور في 2015"…Our experimental results, which were used in an increasing manner on the same dataset, show that G-means outperforms k-means in terms of entropy and F-scores. …"
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Old subjects with sepsis in the emergency department: trend analysis of case fatality rate
منشور في 2019"…Along the years CFR decreased from 31.8% (2009–2010) to 25.0% (2015–2016); P = 0.007. …"
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The global, regional, and national burden of colorectal cancer and its attributable risk factors in 195 countries and territories, 1990–2017: a systematic analysis for the Global B...
منشور في 2019"…Globally, colorectal cancer accounted for 896 000 (876 300–915 700) deaths in 2017, with an age-standardised death rate of 11·5 (11·3–11·8) per 100 000 person-years, which decreased between 1990 and 2017 (−13·5% [–18·4 to −10·0]). …"
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Antibiotic use and escherichia coli resistance trends for quinolones and cotrimoxazole in Sweden
منشور في 2002"…Similar trends could be seen in blood isolates from the same hospitals for the period 1991-98. …"
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Integration of Wind Catchers in Modern Residential Buildings in the UAE as a Means of Providing Thermal Comfort
منشور في 2014"…This research is an evaluation of the effectiveness of wind catchers as means of providing thermal comfort for modern residential buildings in the hot arid climates in the UAE. …"
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Assessing the Effects of Music on Anxiety and Performance in Tasks Using Heart Rate Variability and Mean Arterial Pressure
منشور في 2024"…However, there was no significant difference between Tasks 2 (performing tasks in silence) and 3 (performing tasks with music) in omission or commission errors among the Kaapi group. RMSDD has been increased by Kaapi raga, thereby increasing heart rate variability, and reducing anxiety. …"
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Trends of the Dementia Burden in South Asia: An Analysis of 2021 Global Burden of Disease Study
منشور في 2025"…</p><h3>Results</h3><p dir="ltr">A slight decrease in incidence rates from 80.57 to 79 per 100,000 was observed, alongside a significant increase in mortality rates from 14.11 to 17.2 per 100,000. …"
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A Multidecadal Assessment of Haze Development and Fluctuations in Visibility for Arabian Peninsula
منشور في 2024"…Among the six countries, visibility in KWT is improving at 0.06 km/year, while visibility in IRQ is decreasing rapidly at the rate of -0.26 km/year. Keeping in account the overall trends over the decades to assess current visibility conditions, Visibility in KWT and QTR is improving at the fastest trend of + 0.15 and + 0.05 km/year respectively as compared to OMN, IRQ, UAE and KSA. …"
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Global pattern, trend, and cross-country inequality of early musculoskeletal disorders from 1990 to 2019, with projection from 2020 to 2050
منشور في 2024"…BackgroundThis study aims to estimate the burden, trends, forecasts, and disparities of early musculoskeletal (MSK) disorders among individuals ages 15 to 39 years. …"
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Influence of temperature on tire-pavement noise in hot climates: Qatar case
منشور في 2021"…There is an apparent trend of decreasing temperature coefficient with increasing mean texture depth of dense graded asphalt pavements. …"
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Targeted Inactivation of Rin3 Increases Trabecular Bone Mass by Reducing Bone Resorption and Favouring Bone Formation
منشور في 2021"…The Rin3<sup>−</sup>/<sup>− </sup>mice had higher trabecular bone volume (BV/TV%) compared with wild type. Mean ± standard deviation values at the distal femur at 8 weeks were 9.0 ± 2.5 vs. 7.0 ± 1.5 (p = 0.002) and at 52 weeks were 15.8 ± 9.5 vs. 8.5 ± 4.2 (p = 0.002). …"
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Regression Analysis between the Different Breast Dose Quantities Reported in Digital Mammography and Patient Age, Breast Thickness, and Acquisition Parameters
منشور في 2022"…The radiation dose from mammography increases the patients’ risk of radiation-induced cancer. …"
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Perceptions of Science Teachers Regarding Instruction that Increase High School Students' Motivation to Learn Science in Al Ain City
منشور في 2023"…After reviewing all the results, it appeared that all items in the three domains (attitude, knowledge, and skills) received an agreed-upon estimation according to the science teachers’ perceptions. This result means that all the instructions used in the questionnaire increase students’ motivation to learn science, except item number 26. …"
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Increased Fracture Risk After Bariatric Surgery: a Case-Controlled Study with a Long-Term Follow-Up
منشور في 2022"…This study aimed to investigate whether bariatric surgery increases fracture risk.</p> <h2>Material and Methods</h2> <p>It was a case-controlled study. …"
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Polarimetric SAR Image Filtering by Infinite Number of Looks Prediction Technique
منشور في 2021"…Speckle filtering in synthetic aperture radar (SAR) and polarimetric SAR (PolSAR) images is indispensable before the extraction of the useful information. The minimum mean square error estimate of the filtered pixels conducted to the definition of a linear rule between the values of the filtered pixels and their variances. …"
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