بدائل البحث:
wt decrease » _ decrease (توسيع البحث)
nn decrease » _ decrease (توسيع البحث)
a decrease » _ decrease (توسيع البحث), _ decreased (توسيع البحث), _ decreases (توسيع البحث)
1 step » a step (توسيع البحث), _ step (توسيع البحث)
wt decrease » _ decrease (توسيع البحث)
nn decrease » _ decrease (توسيع البحث)
a decrease » _ decrease (توسيع البحث), _ decreased (توسيع البحث), _ decreases (توسيع البحث)
1 step » a step (توسيع البحث), _ step (توسيع البحث)
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381
Cold Plasma as Effective Tool for Aluminum Surface Cleaning
منشور في 2016"…Aluminum (Al) is heavily used to manufacture structural parts in the aeronautic, railway, automotive or naval industries because of its lightness and its corrosion resistance [1]. One of the most popular uses of Al is in the packaging industry. …"
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382
Correlation of structural and mechanical properties for Al-Al2O3-SiC hybrid metal matrix composites
منشور في 2021"…Al-Al2O3-SiC hybrid composite has been developed through stir casting with addition of ceramics i.e. Al2O3-SiC (2.5 wt.%, 5.0 wt.%, 7.5 wt.% and 10.0 wt.%) in relative and symmetrical proportion. …"
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383
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384
Effects of superelastic nano-NiTi additions on electroless Ni –P coating properties under bending
منشور في 2019"…In this study, electroless Ni –P-nano-NiTi composite coatings containing 5.14 wt%, 6.07 wt%, and 7.02 wt % NiTi were subjected to three-point bend testing in order to determine bending properties. …"
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385
Prospects Of Amino Acids And Ionic Liquids As Natural Gas Hydrate Inhibitors For Offshore Flow Assurance
منشور في 2018"…The inhibitors tend to show better hydrate inhibition effect at low pressures (40 bars) and their inhibition effect decreases as the pressure rises. At the same concentration (10 wt%), the ammonium-based ionic liquid [EA][Of] provided the inhibition effect similar to MEG and at the higher concentration (20 wt%) the amino acid glycine provided better hydrate inhibition effect than the MEG. …"
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386
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387
Synthesis and properties of HA/ZnO/CNT nanocomposite
منشور في 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
Conversion of Organic Municipal Wastes into Biochars and their Effect on Fertility Parameters of Normal and Sabkha Soils of Qatar
منشور في 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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389
Effect of graphene loading on thermomechanical properties of poly(vinyl alcohol)/starch blend
منشور في 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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390
Effect of gamma irradiation on the microstructure and morphology of polyethylene oxide and polyvinyl alcohol blends
منشور في 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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391
Experimental Investigation of Foam drilling fluid using Visualization Technique
منشور في 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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392
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393
Effect of Magnetic Baffles and Magnetic Nanofluid on Thermo-Hydraulic Characteristics of Dimple Mini Channel for Thermal Energy Applications
منشور في 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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394
PROFILE OF OXIDATIVE STRESS GENES IN RESPONSE TO OBESITY TREATMENT
منشور في 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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395
Phase, microstructure and tensile strength of Al–Al2O3–C hybrid metal matrix composites
منشور في 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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396
Structural and mechanical characterization of stir cast Al–Al2O3–TiO2 hybrid metal matrix composites
منشور في 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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397
Modified zno nanoparticles using iron ions (Fe3+) for photo-catalytic degradation of toxic pollutants under sunlight
منشور في 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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398
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399
Hydrogen Production via Ethanol Decomposition over Bimetallic Catalyst
منشور في 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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400
Tribological studies of nanomodified mineral based multi-grade engine oil
منشور في 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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