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561
High temperature thermal stability of innovative nanostructured thin coatings for advanced tooling
Published 2014“…The main problem with steel, isthat itexhibits a relatively low hardness (below 10 GPa) which strongly decreases upon annealing above about 600 K.Thus, the majority of modern tools are nowadays coated with hard coatings that increase the hardness, decrease the coefficient of friction and protect the tools against oxidation. …”
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562
Foamed phase change materials based on recycled polyethylene/paraffin wax blends
Published 2021“….% of paraffin wax (PW) and foamed by 1,1′-azobiscarbamide. The protection of pores’ collapse during foaming process was insured through chemical cross-linking by organic peroxide prior foaming. …”
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563
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564
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566
Biodegradable polysaccharide grafted polyacrylamide inhibitor for corrosion in CO2- saturated saline solution
Published 2023“…Lastly, potentiostatic testing of steel with AGGPAM at an applied potential of 50 mV illustrated surface protection and decreased current over a prolonged time. …”
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567
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568
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569
Application of Fe3O4 magnetite nanoparticles grafted in silica (SiO2) for oil recovery from oil in water emulsions
Published 2021“…An excellent %ηdem ≥ 90% was achieved Coil in the range 50–2000 mg/L. Using an MDdose as low as 10 mg/L attained a %ηdem in the range of 93%–94.3% for O/W mixtures with Coil < 2000 mg/L, which slightly decreased to ∼90% for higher concentrations. …”
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570
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571
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572
Sensitization to common food and inhalant allergens in children attending Allergy and Asthma Pediatric Clinic in Doha, Qatar
Published 2009“…The prevalence of allergic diseases such as asthma, allergic rhinitis and atopic dermatitis have risen at an alarming rate throughout the world in the past 50 years. Sensitization to food (FA) and inhalant allergens (IA) have been associated with an increase of allergic diseases. …”
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573
Oxidative stress cytotoxicity induced by platinum-doped magnesia nanoparticles in cancer cells
Published 2021“…Pt/MgO nanoparticles were cuboid and in the nanosize range of 30–50 nm. The cytotoxicity of Pt/MgO nanoparticles was determined via the 3-(4,5-dimethylthiazol-2-yl)−2,5-diphenyltetrazolium bromide assay on the human lung and colonic cancer cells (A549 and HT29 respectively) and normal human lung and colonic fibroblasts cells (MRC-5 and CCD-18Co repectively). …”
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574
Oxidative stress cytotoxicity induced by platinum-doped magnesia nanoparticles in cancer cells
Published 2021“…Pt/MgO nanoparticles were cuboid and in the nanosize range of 30–50 nm. The cytotoxicity of Pt/MgO nanoparticles was determined via the 3-(4,5-dimethylthiazol-2-yl)−2,5-diphenyltetrazolium bromide assay on the human lung and colonic cancer cells (A549 and HT29 respectively) and normal human lung and colonic fibroblasts cells (MRC-5 and CCD-18Co repectively). …”
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575
The Influence of Qatari Dust on the Element Composition of Marine Plankton
Published 2021“…The excess concentrations relative to average dust from Qatar for most elements (except Cd) decreased with distance from shore. This may be due to contamination or uncertainties with the lithogenic correction or due to our sampling locations in a marginal sea, dominated by dust input. …”
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576
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577
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578
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579
Impact of the COVID-19 lockdown on lifestyle behaviors and their association with personality among adults in Qatar: A cross-sectional study
Published 2022“…There was an increase in olive oil (9% vs. 12%; p < 0.001), vegetables (54.3% vs. 58.7%; p = 0.005), legumes (11.8% vs. 15.3%; p = 0.007), sofrito (70.9% vs. 77.3%; p < 0.001) and fat (45.9% vs. 53.8%; p < 0.001) consumption and a decrease in fresh fruit (39.4% vs. 15.8%; p < 0.001) and fish/seafood (5.9% vs. 3.9%; p = 0.0035) consumption during lockdown. …”
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580
Impact of composition and salinity on swelling and gel strength of poly (acrylamide-co-acrylic acid) preformed particle gel
Published 2023“…The effects of various material compositions and reservoir environments on the ultimate strength and swelling kinetics of a commercial preformed particle gel (PPG) have been investigated. …”
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