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301
Effect of Magnetic Baffles and Magnetic Nanofluid on Thermo-Hydraulic Characteristics of Dimple Mini Channel for Thermal Energy Applications
Published 2022“…This clearly shows that the two sources at the front have a higher increment in the Nusselt numbers compared to one source, due to higher turbulence. In addition, there is a decrease in the pressure drop of 10.82%, 16.778%, and 26.75% when magnetic fields of 1200 G, 1500 G, and 2000 G, respectively, are applied at x = 15 mm, as compared to flow without magnetic field when the pitch = 10 mm. …”
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302
Assessment of SnO2 nanoparticles' impact on the growth of Picochlorum maculatum algae
Published 2022“…To determine the effect of SnO2 nanoparticles on Picochlorum maculatum - isolated from a Qatar marine environment, algal growth media are amended with different nanoparticle concentrations (1, 5, 25, 50, and 100 mg L−1) and the culture was observed for 72 h. …”
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303
A reliable and cost-effective planning framework of rural area hybrid system considering intelligent weather forecasting
Published 2021“…Simulation results illustrate that using photovoltaic panels, wind turbine generators, battery energy storage systems, and diesel engine generators (PV/WTG/BESS/DEG) is the most cost-effective strategy resulting in a 96.13% decrease of CO2 emission compared to DEG system at REPmin=97% and LPSPmax=1%. …”
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304
Desorption of chloramphenicol from ordered mesoporous carbon-alginate beads: Effects of operating parameters, and isotherm, kinetics, and regeneration studies
Published 2021“…NaCl was the most effective eluent for the CPC desorption process, followed by ethanol and water. The use of 1 M NaCl has resulted in the highest desorption efficiency of 84.7%. …”
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305
Collision/reaction cell ICP-MS with shielded torch and sector field ICP-MS for the simultaneous determination of selenium isotopes in biological matrices
Published 2011“…The determinations of selenium isotopes in biological samples were performed using both inductively coupled plasma collision/reaction cell quadruple mass spectrometer (CRC-ICP-QMS) and inductively coupled plasma sector field mass spectrometers (SF-ICP-MS). To significantly decrease the argon-based interferences at m/z 74 (36Ar38Ar), 76 ( 38Ar38Ar, 40Ar36Ar), 78 ( 38Ar40Ar), and 80 (40Ar40Ar), the gas-flow rates of a helium and hydrogen mixture used in the collision cell were optimized to 1.0 mL/min H2 and 3.5 mL/min He. …”
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306
Effect of Hyperglycemia on eNOS function in EPCs
Published 2020“…ROS was assessed using CellROX stain following 1 and 3 days of treatment. Results showed that both acute and chronic hyperglycemia showed a trend towards decrease in phosphorylation of eNOS and Akt. …”
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307
Basin of Attraction through Invariant Curves and Dominant Functions
Published 2015“…We study a second-order difference equation of the form z<inf>n+1</inf> = z<inf>n</inf> F (z<inf>n-1</inf>) + h, where both F (z) and z F (z) are decreasing. …”
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308
A Multi-echelon Network Distribution Model For Emergency Resource Planning
Published 2014“…(Acknowledgement: Qatar/QNRF/NPRP Project: 5-200-5-027)…”
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309
Economic consequences of the covid 19 outbreak
Published 2021“…A description of Covid situation and what are the changes, the flight stops and social distance is a must for all the people, must ware mask and gloves all the time in the second part of the report I talked about the economic situation during the covid 19, fall in the international economics and the progress in the national economics. …”
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310
THE ROLE OF QATAR COMMUNITY PHARMACISTS IN DEPRESSION CARE: A SURVEY OF ATTITUDES, PRACTICES AND PERCEIVED BARRIERS
Published 2020“…Out of a possible score of 5, the mean score of attitudes was 3.41, with a standard deviation of 0.94. …”
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311
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312
Sea water salinity detection using circular fringes formation based on diffraction of laser light
Published 2018“…As the NaCl solution concentration increases from 0% to 9% (0 g/l - 90 g/I), the radius of the outer most circular fringe decreases from 16.95 mm to 16.45 mm and the refractive index increases from 1.333 to 1.373. …”
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313
Prophylactic antibiotics for preventing genital tract infection in women undergoing surgical procedures for incomplete abortion: a systematic review and meta-analysis of randomized...
Published 2020“…Pooled estimates showed the risk of GTI following surgical procedures after incomplete abortion was significantly lower among those who had prophylactic antibiotics (RR=0.72; 95%CI 0.58-0.90; I =49%). There was no significant effect of antibiotics in women in low and middle income countries (3 studies, 3,579 participants, RR= 0.90; 95%CI 0.50-1.62; I =63%), while it was clinically and statistically significant among women high income countries (21 studies, 12,599 participants, RR=0.67; 95%CI 0.53-0.84; I =44%), with strong level of evidence as assessed by GRADE. …”
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314
Ocean Acidification and Carbonate System Geochemistry in the Arabian Gulf
Published 2020“…Normalized NAlk and NDIC were calculated to remove the impact of increasing salinity. NAlk and NDIC decrease corresponding to a CaCO3/OrgC removal ratio of 2/1. …”
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315
Morphology, Nucleation, and Isothermal Crystallization Kinetics of Poly(ε-caprolactone) Mixed with a Polycarbonate/MWCNTs Masterbatch
Published 2017“…The thermal conductivities (i.e., 4 wt % MWCNTs) were enhanced by 20% in comparison to the neat material. …”
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316
The influence of environmental and core temperature on cyclooxygenase and PGE2 in healthy humans
Published 2021“…Random coefficient models determined relationships between Tc and COX/PGE2. Tc [mean (range)] increased in hot [+ 0.8 (0.4–1.2) °C; p < 0.0001; effect size (ES): 2.9], decreased in cold [− 0.5 (− 0.8 to − 0.2) °C; p < 0.0001; ES 2.6] and was unchanged in thermoneutral [+ 0.1 (− 0.2 to 0.4) °C; p = 0.3502]. …”
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317
Elaeagnus angustifolia Plant Extract Inhibits Epithelial-Mesenchymal Transition and Induces Apoptosis via HER2 Inactivation and JNK Pathway in HER2-Positive Breast Cancer Cells
Published 2020“…Thus, extract causes a drastic decrease in cell invasion ability of SKBR3 and ZR75-1 cancer cells. …”
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318
Enhancement of Ethanol Production in Electrochemical Cell by Saccharomyces cerevisiae (CDBT2) and Wickerhamomyces anomalus (CDBT7)
Published 2019“…Ethanol production by CDBT2 (anodic chamber) and CDBT7 (cathodic chamber) control cultures, using 5% glucose as substrate, were 12.6 ± 0.42 and 10.1 ± 0.17 mg·mL−1 respectively. …”
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319
Studying movement reorganization when learning a whole-body action: Example of learning a constrained gait pattern
Published 2015“…Results indicated an immediate reorganization incoordinative patterns (e.g., relative phases and stride frequency) accompanied by a general decrease in the initial movement variability (i.e., standard deviation of many key variables). …”
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320
Effects of the P20 protein from Bacillus thuringiensis israelensis on insecticidal crystal protein Cry4Ba
Published 2015“…The accessory protein P20 from Bacillus thuringiensis israelensis has been defined as an important molecular chaperone for forming crystal Cyt1Aa, and enhancing Cry11Aa and Cry4Aa expression. …”
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