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261
Thermal characterization of phase change materials based on linear low-density polyethylene, paraffin wax and expanded graphite
Published 2016“…A similar decrease in sensible heat with increased loading of EG was observed for PCMs containing 50 wt.% of EG. …”
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262
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263
Photocatalytic and Superhydrophilic TiO2-SiO2 Coatings on Marble for Self-Cleaning Applications
Published 2021“…The suspension of TiO2-SiO2 is prepared by adding 30–50 nm in size TiO2 particles in the sol–gel processed SiO2 solution. …”
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264
Performance assessment of inductive power transfer for railway applications
Published 2015“…The practical implementation has been conducted at a rated voltage of 100V DC at 50kHz and input power of 80W. …”
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265
Binary Si–Ge Alloys as High-Capacity Anodes for Li-Ion Batteries
Published 2020“…The specific charge capacity retention decreases from 97.7%, 94.5%, 88.7%, and 81.2% after 20, 30, 40, and 50 cycles, respectively. …”
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266
Mechanical properties of gamma irradiated TiO2NPs/MWCNTs/LDPE hybrid nanocomposites
Published 2020“…Furthermore, the % of the total elongation at break is decreased after incorporating MWCNTs. The % of the total elongation at break after exposure to a dosage of 25 kGy was reduced as a result of chain scissions and molecular weight decrease. …”
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267
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Enhanced quality factor of polyvinyl formal (PVF) based nanocomposites filled with zinc oxide and carbon black nanoparticles for wireless sensing applications
Published 2019“…Quality factor was measured as a function of temperature (50 – 150°C) and wide range of frequency from 50 Hz - 20 MHz. …”
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269
Hydrogen Production via Ethanol Decomposition over Bimetallic Catalyst
Published 2016“…Once it reaches the ignition temperature, the combustion reaction started locally at one point and then spread inside the beaker. The resulted powder was grinded using a mortar and pestle to get a uniform powder to be used for catalytic investigations. …”
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270
Molecular and Structural Changes in Induced-Brain Stroke Tissue Using FTIR Imaging Spectroscopy, Scanning Electron and Atomic Force Microscopy
Published 2016“…The infrared spectrum images showed a decrease in the lipid content of the white matter associated with the induced stroke brain sections. …”
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271
Trends in prevalence of depression and anxiety symptoms and effects of sociodemographic variables before and after the first wave of COVID-19 in Qatar
Published 2022“…The data for 2020/21 showed a 35.1% and 29.2% decrease in depression and anxiety symptoms scores compared to pre-pandemic years (2017/2018) after adjusting for sociodemographic factors. …”
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272
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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273
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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274
Investigation of optimal charging locations for electric vehicles in Istanbul
Published 2017“…Electric vehicles have a great potential to decrease the adverse effects of transportation, especially in metropolitan cities. …”
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275
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276
Phenolic contents-based assessment of therapeutic potential of Syzygium cumini leaves extract
Published 2019“…The DPPH assay demonstrated a higher antioxidant potential (IC-50 value of 133 μg/ml), which was comparable to the IC-50 of ascorbic acid (122.4 μg/ml). …”
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277
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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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279
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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280