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281
Age–sex differences in the global burden of lower respiratory infections and risk factors, 1990–2019: results from the Global Burden of Disease Study 2019
منشور في 2022"…During the same period, LRI episodes and deaths in children younger than 15 years were estimated to have decreased, and the greatest decline was observed for LRI deaths in males younger than 5 years (–70·7% [–77·2 to –61·8]). …"
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282
Effects of natural organic matter on aggregation kinetics of boron nanoparticles in monovalent and divalent electrolytes
منشور في 2010"…However, the attachment efficiency kept increasing in the presence of CaCl2 and alginate with the increase in the electrolyte concentration and was greater than unity at >4 mM CaCl2. The destabilization was attributed to bridging of the nanoparticles by the alginate–Ca2+ system. …"
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article -
283
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284
Optimum sizing of steam turbines for concentrated solar power plants
منشور في 2012"…Finally, although the cost of electricity of a CSP plant with capacities greater than 1MWe is significantly reduced to less than 1US$/kWh, currently such technology can only become economically viable through supporting schemes.…"
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article -
285
Analysis of Qatar's electricity landscape: Insights from load profiling, clustering, and policy recommendations
منشور في 2024"…Global energy and environmental resource consumption have increased rapidly due to advances in production and transportation, leading to inefficient and wasteful use of resources. …"
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286
Targeting solid tumor cells with novel photosensitive ruthenium-based metal-organic compounds. (c2016)
منشور في 2016"…The addition of diphenyl groups to the phenanthroline of L-I rendered its structure bulkier and more hydrophobic (L-II), and showed an increase in its potent activity, same result when it was bound to the metal. …"
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masterThesis -
287
Implementing 360° Quantified Self for childhood obesity: feasibility study and experiences from a weight loss camp in Qatar
منشور في 2017"…Data from mobile phones, wearables and social media can facilitate a better understanding of the health behaviors of individuals. At the same time, there is an unprecedented increase in childhood obesity rates worldwide. …"
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288
High Purity/Recovery Separation of Propylene from Propyne Using Anion Pillared Metal-Organic Framework: Application of Vacuum Swing Adsorption (VSA)
منشور في 2021"…The values for propylene for the same temperatures were 2.73, 2.64, 2.31 and 1.84 mmol·g<sup>−1</sup>, respectively. …"
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289
Technology, innovation and SMEs’ export intensity: Evidence from Morocco
منشور في 2023"…The permutations of these variables in the fresh setting of Morocco summon scholars’ empirical attention at the same time as policymakers’ consideration.…"
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290
Behavior Of Reinforced Concrete Columns Embedded with PET Bottles Under Concentric Axial Compression
منشور في 2025احصل على النص الكامل
doctoralThesis -
291
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"…Stillbirths in south Asia and sub-Saharan Africa comprised 77·4% (2·35 million of 3·04 million) of the global total, an increase from 60·3% (3·07 million of 5·08 million) in 1990. …"
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article -
292
A control algorithm to increase the efficient operation of wind energy conversion systems under extreme wind conditions
منشور في 2022"…<p dir="ltr">This paper aims to increase the power production of gearless permanent magnet synchronous generator (PMSG) based wind energy conversion systems (WECS) in strong (greater than 25 m/s) wind speed regions. In general, most wind turbines cut off when wind speed is over the cut-out rate; as a result, the power generation of the wind farm decreases. …"
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293
A decoding algorithm for I-Q space-time coded systems in fadingenvironments
منشور في 2000"…Simulation results showed that I-Q ST codes with the new algorithm provide coding gains over ST codes having the same complexity but with a single encoder…"
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article -
294
Effect of Reaction Pressure and Carrier Gas on Toluene Disproportionation over Molybdenum-ZSM-5 Catalyst.
منشور في 2020"…Toluene conversion compared at the same temp. and pressure is higher when nitrogen instead of hydrogen was used as the carrier gas. …"
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article -
295
Adsorptive Removal of Dyes from Aqueous Solutions Using Metal Organic Frameworks (MOFs)
منشور في 2019احصل على النص الكامل
doctoralThesis -
296
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297
A fast constructive algorithm for fixed channel assignment problem
منشور في 2001"…With limited frequency spectrum and an increasing demand for mobile communication services, the problem of channel assignment becomes increasingly important. …"
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article -
298
Compliance criteria for quality concrete
منشور في 2020"…There is, however, a need to switch to permeability or chloride diffusion indices to ascertain the quality concrete. At the same time, compliance criteria for the present-day concrete need to be developed. …"
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article -
299
Assessment of High-resolution Local Emissions and Land-use in Air Quality Forecasting at an Urban, Coastal, Desert Environment
منشور في 2022"…The model’s forecast accuracy was assessed against measurement data from five ground air quality monitoring stations in the greater metropolitan area of Doha over a one-month period. …"
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300
The Effects of Online Formative and Summative Assessment on Test Anxiety and Performance: A Study Among First-Year Undergraduate Students at A Higher Education Institution in Abu D...
منشور في 2019"…The presented study was conducted to provide greater insight into the potential positive, neutral and/or negative effects of online formative and summative assessment on test anxiety and performance. …"
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