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401
Synthesis and properties of HA/ZnO/CNT nanocomposite
Published 2018“…The goal of this study was to examine the tribomechanical properties of hydroxyapatite (HA)/ZnO and HA/ZnO/CNT composite ceramics (carbon nanotubes; with different ratios 0.5 wt%, 1.0 wt%, and 1.5 wt%). The composites were synthesized using the hydrothermal method in an autoclave. …”
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402
Molecular dynamics of CH4/CO2 on calcite for enhancing gas recovery
Published 2022“…These results highlight how the CO2 geometry of adsorption is well defined and characterized by strong interaction, while methane adsorption is quite loose and depicts a very dynamic picture. Focusing on the effect of pressure, RDF peaks intensities increase, although this effect is limited to the 1-5 MPa range. …”
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403
Conversion of Organic Municipal Wastes into Biochars and their Effect on Fertility Parameters of Normal and Sabkha Soils of Qatar
Published 2016“…To each pot, sufficient amount of 0.25-mm sieved biochar was mixed with soil to yield carbon to soil ratios of 0, 1, and 2% (wt/wt). Box-Behnken experimental design was used instead of the full factorial to decrease the number of treatments to a manageable level (126 treatments) with three replications at the center. …”
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404
CLINICAL AND ECONOMIC IMPACT OF GENETIC AND NON-GENETIC FACTORS ON INR NORMALIZATION IN PRE-OPERATIVE MANAGEMENT OF WARFARIN PATIENTS
Published 2021“…To optimize the period of preprocedural warfarin interruption to decrease the incidence of bleeding in case of bridging and the incidence of thromboembolism in case of non-bridging, a study was conducted to determine the influence of CYP2C9, VKORC1, CYP4F2, FII, and FVII genetic polymorphisms and non-genetic factors on INR decline in a cohort of Arabs undergoing a procedure that requires warfarin interruption and developing an algorithm to tailor the duration of warfarin interruption before the procedure. …”
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405
Mixed Solid Municipal Waste-Based Biochar for Soil Fertility and Greenhouse Gas Mitigation
Published 2016“…Municipal solid waste management is one of the major challenges facing Qatar with more than 2.5 million tons of municipal solid waste each year, a very high waste generation rate in a country with small land mass. …”
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406
Effect of graphene loading on thermomechanical properties of poly(vinyl alcohol)/starch blend
Published 2015“…Mechanical properties results showed that the optimum loading of graphene was 0.5 wt % in the blend. XRD studies indicated uniform dispersion of graphene in PVA/starch matrix upto 0.5 wt % loadings and further increase caused agglomeration. …”
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407
Effect of gamma irradiation on the microstructure and morphology of polyethylene oxide and polyvinyl alcohol blends
Published 2010“…Thin films of a blend of 90, 75, 50 (wt/wt%) percentage of polyethylene oxide and polyvinyl alcohol were synthesized and irradiated with 5, 25, 50, 100 and 200 kGy. …”
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408
Experimental Investigation of Foam drilling fluid using Visualization Technique
Published 2021“…The experiments were conducted in a 6.16 m long horizontal pipe with 2.5 in. inner diameter and 4.5 in. outer diameter and annular diameter ratio of 1.8. …”
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409
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410
Effect of Magnetic Baffles and Magnetic Nanofluid on Thermo-Hydraulic Characteristics of Dimple Mini Channel for Thermal Energy Applications
Published 2022“…The increment changed to 1.82%, 8.16%, and 22.31% for a pitch = 5 mm and 1.01%, 5.96%, and 21.38% for a pitch = 2.5 mm. …”
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411
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412
PROFILE OF OXIDATIVE STRESS GENES IN RESPONSE TO OBESITY TREATMENT
Published 2021“…Conclusion: This study demonstrated that SFN had lowered body weight in WT-DIO mice by decreasing OS damage in skeletal muscles through the NrF2 pathway and can be a potential anti-obesity drug.…”
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413
Phase, microstructure and tensile strength of Al–Al2O3–C hybrid metal matrix composites
Published 2020“…Aluminium matrix reinforced with Al2O3–carbon (2.5, 5, 7.5 and 10 wt.%) in equal proportion was prepared by stir casting. …”
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414
Structural and mechanical characterization of stir cast Al–Al2O3–TiO2 hybrid metal matrix composites
Published 2020“…Aluminium matrix reinforced with aluminium oxide?titanium oxide (2.5, 5.0, 7.5 and 10 wt.%) in equal proportion were prepared by stir casting. …”
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415
Modified zno nanoparticles using iron ions (Fe3+) for photo-catalytic degradation of toxic pollutants under sunlight
Published 2019“…The photocatalytic activities of pure ZnO and Fe-ZnO samples were evaluated based on the degradation of 2-chlorophenol in an aqueous solution under the sunlight. The samples with a small concentration of Fe3+ ions showed enhanced photocatalytic activity with an optimal maximum performance at 0.5 wt. %. …”
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416
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417
Hydrogen Production via Ethanol Decomposition over Bimetallic Catalyst
Published 2016“…The reaction between NH3 and HNO3 released during decomposition of glycine and metal nitrate respectively produces the energy required for single step combustion synthesis. At higher value of φ, the reactive medium generates H2 rich reducing environment to convert metal oxide to metallic form Bimetallic CuCo were synthesized from the aqueous solution of cobalt nitrate (Co(NO3)2·6H2O), copper nitrate (Cu(NO3)2·6H2O) and glycine (C2H5NO2) in solution combustion synthesis (SCS) method using a fuel to oxidizer ratio of φ 0.5, 1, 1.75 and 2.5. …”
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418
Tribological studies of nanomodified mineral based multi-grade engine oil
Published 2017“…Tests were carried under loads of 40N, 60N and 90N at sliding speeds 0.5 m/s, 1.0 m/s and 1.5 m/s. Nanoparticle concentration in the mineral oil was taken as 1.5 wt%. …”
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419
Propagation rate coefficient for sulfobetaine monomers by PLP-SEC
Published 2016“…The kp decreases upon increasing the monomer concentration up to 20 wt % followed by independence of kp on further increased monomer concentration. …”
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420
Evacuation under flooded conditions: Experimental investigation of the influence of water depth on walking behaviors
Published 2021“…Characteristics of individual walking trajectories were also investigated, and it was identified that the average step frequency for walking in water was significantly lower than that for walking under normal, i.e., without water, conditions. …”
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