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Search results for: SURFACE ENGINEERING
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Facet effect of TiO2 nanostructures from TiOF2 and their photocatalytic activity
PublicationIn this study, special attention is focused on the design of TiO2 morphology and microstructure in the two-step preparation procedure using TiOF2 as a precursor to study their photodegradation mineralization efficiency. Firstly, TiOF2 was synthesized by a simple solvothermal method using titanium(IV) tetrafluoride, which was further used as a precursor in preparation of anatase 2D nanosheets, octahedral, decahedral, and rectangular prisms...
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Seismic pounding behavior of multi-story buildings in series considering the effect of infill panels
PublicationThe aim of the present paper is to study the influence of the infill panels on the seismic pounding response of adjacent structures in series. The contribution of the masonry infill has been simulated using equivalent diagonal compression struts. Steel frames have been assumed to have elastic-plastic behavior with 1% linear strain hardening. The dynamic contact analysis has been utilized where contact surface model (target and...
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Comprehensive study on graphene hydrogels and aerogels synthesis and their ability of gold nanoparticles adsorption
PublicationGraphene hydrogels were prepared by ascorbic acid-assisted gelation of graphene oxide (GO) aqueous suspensions both in acidic and basic conditions. Different mass ratio of ascorbic acid (AA) to GO was used (namely 20:1 and 10:1). In order to eliminate the influence of AA on the final structure of hydrogels, samples without AA were prepared by a hydrothermal gelation of GO in an autoclave. An in-depth structural characterization...
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Evaluation of the Impact of Different Types of Uncoupling on the Processing Capacity of Hump Yards
PublicationThe paper considers the issue of evaluating the impact of different types of uncoupling to increase the processing capacity of hump yards to ensure high technical-economic indicators in the conditions of limited capital funds. Moreover it describes the mathematical formulation of the sorting slide. For the mathematical formulation, the sorting slide is taken as a surface that is uniquely projected onto a horizontal plane. Based...
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Anodized multi – component titanium alloys carrying antibacterial features
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Effect of mid-frequency discharge assistance on dual-high power impulse magnetron sputtering
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Reactive deposition of TiNx layers in a DC-magnetron discharge
PublicationTiNx layers have been deposited in 'balanced mode' and 'unbalanced mode' of a reactive DC-magnetron plasma (carrier gas argon, reactive gas nitrogen) under different conditions. Discharge power and reactive gas flow have been varied. The layers have been examined by X-ray photoelectron spectroscopy (XPS), X-ray reflectometry (XR), and spectroscopic ellipsometry (SE). The results of the layer analyses were combined with plasma investigations...
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Characterization of low-dose doxorubicin-loaded silica-based nanocomposites
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Optical and photocatalytic properties of rare earth metal-modified ZnO quantum dots
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Corrosion studies using potentiodynamic and EIS electrochemical techniques of welded lean duplex stainless steel UNS S82441
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Antimicrobial properties of protective coatings produced by plasma spraying technique
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Prediction of the properties of PVD/CVD coatings with the use of FEM analysis
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The X-ray photoelectron spectroscopy of surface composition of aged mixed copper manganese oxide catalysts
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How important are scaffolds and their surface properties in regenerative medicine
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Photosensitizing potential of tailored magnetite hybrid nanoparticles functionalized with levan and zinc (II) phthalocyanine
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Patterned hydrophobic and hydrophilic surfaces of ultra-smooth nanocrystalline diamond layers
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Effect of tantalum interlayer on hydroxyapatite biointerface for orthopedic applications
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Self-assembled epitaxial BiFeO3 nanostructures as a tailored platform for vertically aligned nanocomposites development
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Bisquare robust polynomial fitting method for dimple distortion minimization in surface quality analysis
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Proposal of frequency‐based decomposition approach for minimization of errors in surface texture parameter calculation
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Changes in wetting properties of silica surface treated with DPPC in the presence of phospholipase A2 enzyme
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Structure and wettability of heterogeneous monomolecular films of phospholipids with cholesterol or lauryl gallate
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Investigations of DPPC effect on Al2O3 particles in the presence of (phospho)lipases by the zeta potential and effective diameter measurements
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Direct conversion of biomass to nanoporous activated biocarbons for high CO2 adsorption and supercapacitor applications
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Palladium nanoparticles deposited on graphene and its electrochemical performance for glucose sensing
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Chemical and thermal stability of core-shelled magnetite nanoparticles and solid silica
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Hybrid carbon-TiO2 spheres: Investigation of structure, morphology and spectroscopic studies
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Effect of graphene thickness on photocatalytic activity of TiO2-graphene nanocomposites
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Oxidized SWCNT and MWCNT as co-catalysts of polymeric carbon nitride for photocatalytic hydrogen evolution
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Graphitic carbon nitride/graphene oxide/reduced graphene oxide nanocomposites for photoluminescence and photocatalysis
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Effect of nanosilica on characteristics of carbonizates of phenol-formaldehyde resin – Fe(acac)3
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Influence of hydrophobization of fumed oxides on interactions with polar and nonpolar adsorbates
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Surface area investigation of materials with transition layers of continuously changing electron density
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Effect of water content on the characteristics of hydro-compacted nanosilica
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SAXS examination of the water evaporation process from silica materials coated with a polysaccharide–polyimine copolymer layer
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Multi-layer graphene oxide alone and in a composite with nanosilica: Preparation and interactions with polar and nonpolar adsorbates
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Novel porous carbon/clay nanocomposites derived from kaolinite/resorcinol-formaldehyde polymer blends: synthesis, structure and sorption properties
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Synthesis and characterization of resorcinol–formaldehyde resin chars doped by zinc oxide
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TiO2 Processed by pressurized hot solvents as a novel photocatalyst for photocatalytic reduction of carbon dioxide
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Photoelectrochemical activity of visible light-responsive BiVO4@La1-xSrxFeO3-δ (x = 0, 0.2, 0.4) heterojunction architectures – Optimizing activity by tuning Fe O bond in perovskites
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Surface quality and topographic inspection of variable compliance part after precise turning
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Effects of electric field on a copper–dioxolene complex adsorbed on a gold surface
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Fabrication of anti-corrosion nitrogen doped graphene oxide coatings by electrophoretic deposition
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On determining defects identity in carbon nanotubes using charge probes
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A tight-binding model of a carbon nanotube interacting with TiO2 rutile (110) surface
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Optical emission characteristics of glow discharge in the N2–H2–Sn(CH3)4 and N2–Ar–Sn(CH3)4 mixtures
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Determination of grain shape of laser-irradiated FePdCu thin alloy films
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Assessment of phase stability and in vitro biological properties of hydroxyapatite coatings composed of hexagonal rods
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Size-dependent effects of ZnO nanoparticles on the photocatalytic degradation of phenol in a water solution
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Improved mechanical properties of W-Zr-B coatings deposited by hybrid RF magnetron – PLD method
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