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a decrease » _ decrease (Expand Search), _ decreased (Expand Search), _ decreases (Expand Search)
12 wt » 2 wt (Expand Search)
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381
Experimental investigation on the compressibility of Al/Al2O3 nanocomposites
Published 2016“…With up to 12 wt.% of Al2O3, microhardness increases from 62 to 150 HV due to the decrease of the crystallite size. …”
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382
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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383
Effect of concentration of DOC loaded TiO 2 nanotubes on the corrosion behavior of smart coatings
Published 2019“…Various contents of the encapsulated TiO2 nanotubes (1, 3 and 5 wt%) were thoroughly dispersed into the epoxy matrix and the resulting composites were then applied on a cleaned steel substrate using doctor blade technique to develop smart coatings. …”
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384
Effect Of Sand Blasting On Soda Lime Glass Properties
Published 2003“…The sand used has mostly a rounded shape and presents a grain size distribution between 300 and 500 µm and hardness greater than that of the glass tested. …”
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385
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386
Studies on growth and chemical composition of tobacco varieties. IV - comparative effects of various combinations of fertilizers on economic potentialities of tobacco plants
Published 1987“…An increase in the dry weight associated with a decrease in the ash content in leaves were also observed. …”
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387
Shear Behavior of Green Concrete Beams Reinforced with Basalt FRP Bars and Stirrups.
Published 2020“…The parameters investigated in this study are span to depth ratio (i.e. a/d =2.5 and 3.5), reinforcement ratio , stirrups spacing effect (i.e. 250 mm and 350 mm) and stirrups type (Steel and Basalt). …”
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388
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389
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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390
Self-healing performance of smart coatings modified with different corrosion inhibitors.
Published 2020“…EIS measurements revealed the decent corrosion inhibition efficiency of these inhibitors in order of DDA>NMTU. As a result, they are a favorable solution for longer endurance of coated piping steel and decreased operation expense contributing to economic saves, materials reliability and safety…”
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391
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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392
Tribological studies of nanomodified mineral based multi-grade engine oil
Published 2017“…Wear rate for lubrication oil without nanoadditives was also found to be decreased with increase in sliding speed. Experimental results prove that nanoparticles can be used as a multifunctional additive in lubricating oil to enhance its tribological properties.…”
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393
Relationship between fat distribution, iron status, and hepcidin in Qatari obese adults
Published 2019“…IDA was defined as Hb <12g/100ml for female and Hgb <13 g/100ml for male. …”
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394
Mobile Epifauna Associated To Artificial Substrates In Offshore Qatari Waters
Published 2019“…Multivariate analysis for abundance and biomass showed that both Site and Depth, as well as their interaction, had significant effects on the mobile macrofaunal community. A general trend of total abundance and average number of taxa decreasing with depth was observed, although with some notable exceptions. …”
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395
Combined effects of treated domestic wastewater, fly ash, and calcium nitrite toward concrete sustainability
Published 2021“…Test results revealed that TWW slightly decreased concrete compressive and flexural strengths by 5%-12%, whereas it dramatically increased the porosity and chloride permeability by about 40%. …”
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396
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397
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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398
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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399
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400
The effects of gas tungsten arch welding on the corrosion and mechanical properties of AA 6061 T6
Published 2013“…The hardness of HAZ was decreased as a result of the heat generated during the welding process. …”
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