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261
Prospects of Biocrude Production Potential from Local Diatom
Published 2020“…A marine diatom Nitzchia reversa was grown in 5 sq. m open raceway pond (10 cm culture depth, 500 L culture volume) in the Qatari desert environment. …”
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262
The Impact of Multiple Autoclave Cycles on the Surface Roughness of Thermally Treated Nickel-Titanium Endodontic Files
Published 2022“…., 20 TN, 20 ETP, and 20 PTG files), and each group was divided into four equal subgroups of five files (n = 5). An unsterilized group was assigned as the pre-autoclaving group (Cycle 0), and the other three groups underwent various autoclave sterilization cycles (Cycles 1, 5, and 10). …”
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263
Biodegradable polysaccharide grafted polyacrylamide inhibitor for corrosion in CO2- saturated saline solution
Published 2023“…Electrochemical tests of Tafel and AC impedance, were used to determine the corrosion rate of carbon steel (C-steel) and protection efficiency in CO2-saturated 3.5 wt% NaCl solution. …”
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264
Microbiota and sensorial attributes of buffalo meat stored under vacuum packaging: combined impact of marination, citrox and oregano essential oil
Published 2023“…This study aimed to examine the antimicrobial and sensorial effects of natural citrox (0.2% v/w) and oregano essential oil (0.1% v/w) or their combination on marinated buffalo meat stored under vacuum at two storage conditions of 4°C and 12°C. …”
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265
Improved mechanical properties of recycled linear low-density polyethylene composites filled with date palm wood powder
Published 2014“…The Young’s modulus and stress at break measured at 50°C decreased significantly compared with those values measured at 25°C. …”
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266
Simulation and Optimization of an LNG Plant Cold Section
Published 2018“…Heavy hydrocarbons, primarily condensate (C5+) leaving the fractionation unit, can be either sold or sent to a close by refinery for further processing. …”
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267
Investigating the utilization of healthcare services to manage respiratory tract infections (RTIs) among Qatari patients attended selected primary healthcare centers in Qatar
Published 2018“…Results: A total of 171,447 RTI visits made by 58,786 patients during July-2015 to December-2017. The Mean age ±SD of participants is 24.80±18.5 years, among them 38.79% falls to age group 5-19 and 33.53% belongs to 20-44. …”
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268
Resistive room temperature LPG sensor based on a graphene/CdO nanocomposite
Published 2019“…The CdO/graphene composite was deposited as a film on interdigitated electrodes (IDEs) which then were used for chemiresistive sensing of liquid petroleum gas (LPG) by using a four probe technique. A Resistivity decreases significantly upon exposure to a LPG. The electrical resistance measurement at a constant bias voltage of 0.5 V. …”
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269
Thermal and mechanical stability of microwave sintered cold compact bismuth telluride thermoelectric material
Published 2022“…The TGA-DSC results indicate a slight mass gain at 350 °C followed by a steep weight loss beyond 550 °C suggesting good thermal stability when the experimental temperature is below 350 °C. …”
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270
Enhancing the Remediation Capacity of Mercury Ions from Fluorescent Lamp Using Roasted Date Pits and Its Modified Forms
Published 2016“…Moreover, at pH 8 and pH 10, the adsorption decreased with an average Hg concentration of 3.5 and 8.01 ppm, respectively. …”
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271
Enhancing the corrosion resistance of reinforcing steel under aggressive operational conditions using behentrimonium chloride
Published 2019“…Herein, the inhibition efficiency of a new corrosion inhibitor, behentrimonium chloride (BTC, C25H54ClN), is explored in a simulated-concrete pore solution (SCP) with 3.5 wt.% NaCl at different pH using electrochemical impedance spectroscopy (EIS) and polarization methods. …”
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272
Solar-driven hydrogen production from a water-splitting cycle based on carbon-TiO2 nano-tubes
Published 2022“…The newly developed Carbon-TiO2 nano-tubes (C-Ti-NTs) aimed at improving the practical applications of TiO2 composites under natural solar irradiation conditions, enhancing the absorption of UV and VIS-light, reduces the required bandgap energy and decreases the chance for photo-induced-charges recombination. …”
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273
Flight Scheduling in the Airspace
Published 2016“…The mathematical model has been solved using CPLEX 12.6 and the scatter search has been coded using C language under Microsoft Visual Studio v12 environment. …”
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274
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275
Urology Residents' Perspectives on the In-House On-Call Systems: A Study in an Accredited Academic Center
Published 2022“…Working hours: compliance and violations There was no significant difference in the mean weekly working hours (p = 0.1). However, the total number of duty hours violations decreased in the 12-hour on-call system. …”
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276
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277
Development of Inorganically Cross-Linked Sulfonated Polyacrylamide Preformed Particle Gels for Conformance Control: Impact of Anionic Groups
Published 2024“…It is worth noting that PPG swelling and strength thrive within the pH range of 5-9 and below temperatures exceeding 75 °C, as conditions beyond these thresholds compromise their intricate three-dimensional (3D) network structures.…”
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278
Thermal properties of phase-change materials based on high-density polyethylene filled with micro-encapsulated paraffin wax for thermal energy storage
Published 2015“…Microcapsules consisting of paraffin wax cores with a melting point of approximately 42 °C and a melamine-formaldehyde resin shell were synthesized using in situ polymerization. …”
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279
Methane production enhancement from Tetraselmis biomass co-digestion using frying oil residue as co-substrate and ultrasonication as pretreatment
Published 2023“…Interestingly, compared to untreated Tetraselmis biomass, sonication pretreatment using specific energy of 1.6 kJ/g VS significantly improved specific methane production by 60.5%. However, increasing specific energy sonication to 3.2 kJ/g VS decreased the positive energy balance of whole process from 8.6 to 5.5 ± 0.3 kJ/g VS. …”
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280
Methane production enhancement from Tetraselmis biomass co-digestion using frying oil residue as co-substrate and ultrasonication as pretreatment
Published 2023“…Interestingly, compared to untreated Tetraselmis biomass, sonication pretreatment using specific energy of 1.6 kJ/g VS significantly improved specific methane production by 60.5%. However, increasing specific energy sonication to 3.2 kJ/g VS decreased the positive energy balance of whole process from 8.6 to 5.5 ± 0.3 kJ/g VS. …”
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