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wt decrease » _ decrease (Expand Search)
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381
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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382
Phase, microstructure and tensile strength of Al–Al2O3–C hybrid metal matrix composites
Published 2020“…Scanning electron microscopy shows that Al matrix has uniform distribution of reinforcement particles, i.e. Al2O3 and carbon. Density decreases due to variation of reinforcement because ceramic reinforcement has low density. …”
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383
Structural and mechanical characterization of stir cast Al–Al2O3–TiO2 hybrid metal matrix composites
Published 2020“…Scanning electron microscopy shows that aluminium matrix has uniform distribution of reinforcement particle i.e. aluminium oxide and titanium oxide. Density of composite decreases due to variation of reinforcement and it shows low density after preheating. …”
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384
Improvement of ternary recycled polymer blend reinforced with date palm fibre
Published 2014“…The date palm fibre reinforced composites (CD00) were prepared by maintaining constant weight% of fibre of 20wt% without any fibre treatment. Maleic anhydride (MA) was used as the compatabilizer (1 and 2wt%) and the effect of compatabilizer on the blend matrix composites was studied. …”
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385
Arabic gum as green agent for ZnO nanoparticles synthesis: properties, mechanism and antibacterial activity
Published 2017“…The size of the spherically shaped ZnO NPs decreased with an increase in the amount of Arabic gum, up to an optimal 1.50 wt%. …”
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386
Prospects Of Amino Acids And Ionic Liquids As Natural Gas Hydrate Inhibitors For Offshore Flow Assurance
Published 2018“…The results show that the selected amino acids and ionic liquids exhibit dual functional behaviour by providing the temperature shift of around 1.5-2.3 oC and delaying the hydrate formation time from 0.5-1.5 hr. …”
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387
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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388
INVESTIGATION OF SPATIOTEMPORAL VARIABILITY AND CONTAMINATION OF PLASTIC MARINE DEBRIS IN QATAR’S COASTAL WATERS
Published 2015“…There has been a tremendous proliferation in plastic production in the last five decades due to its low cost and versatile applications. …”
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389
Empower Generations: Longitudinal Study for National Capacities in Life Sciences and Healthcare
Published 2021“…As reported in 2012, a majority of the Qatari high-school students have shown a greater interest in business, technological, and administrative careers and a lower interest in healthcare. …”
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390
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391
Changes In Biomass Gain, Protein Content And Hormonal Levels In Wheat Kernels In Response To Soil Drench With Sodium Salicylate
Published 1992“…Drenching of soil with sodim salycylate (800,4000 and 8000mg/l) increased grain f. wt. and d. wt. Protein content was increased in grains at days 23 and 60 with 800 mg/1 salicylate. …”
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392
Improved flexible, controlled dielectric constant material from recycled LDPE polymer composites
Published 2016“…In this study, recycled low density polyethylene (RLDPE) is developed with the addition of aluminum oxide (Al2O3) to have new polymer composites. The following wt% were used of the filler (1, 4 and 6 wt%). Tensile properties, Hardness, scanning electron microscopy (SEM) thermo gravimetric analysis, differential scanning calorimetry and dielectric properties were studied for these composites. 4 wt% Al2O3/RLDPE composites showed the optimum values of 15.52, 180.8 and 59.72 MPa for the tensile strength, tensile modulus and hardness were reported. …”
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393
Investigation of Spatiotemporal Variability of Microplastics in Qatar's Cstal Environment
Published 2016“…There has been a tremendous proliferation in plastic production in the last five decades due to its low cost and versatile applications. …”
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394
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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395
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396
Modelling of the flow behaviour of wrought aluminium alloys at elevated temperatures by a new constitutive equation
Published 2014“…The calculation indicated that the activation energy for hot working decreased from 218 to 198kJmol−1 in the considered range of strain.…”
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397
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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398
Modified zno nanoparticles using iron ions (Fe3+) for photo-catalytic degradation of toxic pollutants under sunlight
Published 2019“…As the Fe3+ concentration increased from 0.25 to 1.00 wt. %, the crystal size decreased in comparison with the undoped ZnO. …”
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399
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400
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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