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A systematic review of stability of medicines used in emergency medical service settings
Published 2020“…In the GCC region including Qatar, temperature and relative humidity values may rise over 50°C and 80%, respectively, according to climate data from the Qatar Civil Aviation Authority 3 . …”
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184
Amplitude-dependent damping in vibration serviceability: Case of a laboratory footbridge
Published 2016“…Construction technology advancements in the last couple of decades have led to the use of lightweight and high-strength materials in structural systems. Although longer spans and lighter materials result in floor systems with less mass, stiffness, and damping, the trend toward a paperless office decreases damping and the amount of live load on the floors even more. …”
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Phase change materials for thermal energy storage applications in greenhouses: A review
Published 2022“…In addition, the PCMs kept inside the greenhouses are capable of providing passive cooling by the absorption of excess solar energy diurnally and passive nocturnal heating by releasing the stored heat. Various systems integrated with PCMs provide a diurnal temperature decrease up to 7 �C and nocturnal temperature increase up to 9 �C compared to the ambient temperature and can cover up to 30% of the greenhouse heating demand. …”
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187
A new process for the recovery of ammonia from ammoniated high-salinity brine
Published 2021“…The initial ammonia concentration in a Solvay effluent of 13,700 mg/L N was decreased to 190 mg/L N. …”
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Khalasa date palm leaf fiber as a potential reinforcement for polymeric composite materials
Published 2021“…The circular economy (CE) proposes a closed-loop supply chain-based production system and reduces the ecological systems' negative impacts. …”
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192
Development of a Mechanistic and Data-Driven Model for Multiphase Flow Leak Detection in Pipeline
Published 2024“…The effect of different pressure constraints, pipe length, pipe diameter, two-phase fluid rheology, leak diameter, leak location, outlet liquid volume fraction, and flowing liquid hold-up on leak size, pressure, and flow rate is analyzed. Decreasing the liquid fraction in the outlet section of the leak leads to a slight increase (6% average) in the inlet mass flow rate and a significant decrease (50% average) in the outlet mass flow rate for fixed pressure constraints, resulting in an increased leak flow rate, pressure, and density. …”
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193
Transforming the Capabilities of Artificial Intelligence in GCC Financial Sector: A Systematic Literature Review
Published 2022“…Adopting new technology may give rise to specific cyber threats that decrease or degrade business operations. The paper has designed to discuss the artificial intelligence-based access control system as a necessary component of governing and safeguarding the financial sector's information assets in the Gulf Cooperation Council (GCC) region. …”
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194
Optimization of cultivation conditions for combined nutrient removal and CO2 fixation in a batch photobioreactor
Published 2017“…RESULTS Over 10 days the biomass concentration reached almost 3 g L−1 for Cc,g of 5% CO2, with corresponding values of 0.74 g L−1 day−1 and 1.17 day−1 for Rc and μ, respectively, and 100% nutrient (N and P) removals. At 22% CO2 the Rc and μ decreased by around an order of magnitude, and nutrient removal also decreased to 79% and 50% for N and P, respectively. …”
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195
Bordetella pertussis risA, but not risS, is required for maximal expression of Bvg-repressed genes
Published 2005“…Expression of virulence determinants by Bordetella pertussis, the primary etiological agent of whooping cough, is regulated by the BvgAS two-component regulatory system. The role of a second two-component regulatory system, encoded by risAS, in this process is not defined. …”
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196
Effect of Bariatric Surgery on Intima Media Thickness: A Systematic Review and Meta-Analysis
Published 2022“…Results: The meta-analysis of 30 trials, including 1488 subjects, demonstrated a significant decrease in IMT after bariatric surgery. …”
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Qatar Culture Collection of Microalgae: A Sustainable Source for Biodiesel Production and Omega Fatty Acid Compounds
Published 2016“…In addition, we observed the presence of the omega-3 and 9 long-chain polyunsaturated fatty acids (LC-PUFAs), such as eicosapentaenoic (EPA, 20:5 n-3), docosahexaenoic (DHA, 22:6 n-3) and Nervonic Acid (C24:1 n-9) acids, which have a high commercial value and are known for their beneficial effects on human health…”
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Experimental study of exhaust emissions and performance of a dual fuel IDI diesel engine
Published 1999“…Dual fuel engines of the compression ignition type provide an alternative approach for I.C. engines to improve economy, reduce exhaust emissions and achieve a greater power. The present contribution is an experimental investigation to evaluate such a statement using a modified Ricardo E6 indirect injection diesel engine. …”
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