Yayıncı "Elsevier Science BV" Makale Koleksiyonu için listeleme
Toplam kayıt 19, listelenen: 1-19
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Antimicrobial activity of designed undoped and doped MicNo-ZnO particles
(Elsevier Science BV, 2018)The research objective of the present study was to evaluate antimicrobial activity of ZnO powder systems in different size, shape and array platelet forms with undoped and doped Ag at different concentrations. In particular, ... -
Chemical, morphological, and kinetic study of lead extraction from the Koni Mansur polymetallic deposit
(Elsevier Science BV, 2019)Located in the north of Tajikistan, the Koni Mansur is a rich polymetallic deposit that besides other metals has high concentration of lead-containing mineral galena. The hydro metallurgical extraction of lead from the ... -
A comparative study on few-layer graphene production by exfoliation of different starting materials in a low boiling point solvent
(Elsevier Science BV, 2017)Three different graphite-based powders (expandable graphite and two different nano-graphite powders) were investigated as starting materials for an effective liquid phase exfoliation process in isopropyl alcohol (IPA). The ... -
Cytocompatibility property evaluation of gas pressure sintered SiAlON-SiC composites with L929 fibroblast cells and Saos-2 osteoblast-like cells
(Elsevier Science BV, 2012)Although the oxide ceramics have widely been investigated for their biocompatibility, non-oxide ceramics, such as SiAlON and SiC are yet to be explored in detail. Lack of understanding of the biocompatibility restricts the ... -
Decolouration effect of WC addition on gas pressure sintered alpha-beta SiAlON ceramics
(Elsevier Science BV, 2004)In this study, an attempt was made to mask an inhomogeneous gray colouration featured on the surfaces of the gas pressure sintered alpha-beta SiAlON ceramics containing 50% alpha and 50% beta SiAlONs in the form of spots. ... -
Design parameter investigation of industrial size ultrasound textile treatment bath
(Elsevier Science BV, 2009)Design requirements for industrial size ultrasound bath for textile treatments have been determined. For this purpose, effects of sound pressure level, bath temperature, bath volume, textile material type and hydrophility ... -
Effect of bias voltage on tunneling mechanism in Co40Fe40B20/MgO/Co40Fe40B20 pseudo-spin valve
(Elsevier Science BV, 2015)Bias voltage dependence of tunneling mechanism has been systematically investigated in Co40Fe40B20 (2.1 nm)/MgO (2 nm)/Co40Fe40B20 (1.7 nm) pseudo-spin valve magnetic tunnel junction deposited using the combination of the ... -
Electrophoretic deposition of hydroxyapatite-hexagonal boron nitride composite coatings on Ti substrate
(Elsevier Science BV, 2017)In this study, commercial pure titanium samples were coated with nano hydroxyapatite-nano hexagonal boron nitride (nano HA-nano hBN) composite by electrophoretic deposition (EPD). The effect of process parameters (applied ... -
Excited state dynamics of nanocrystalline VO2 with white light continuum time resolved spectroscopy
(Elsevier Science BV, 2014)In an attempt to use ultrafast pump probe spectroscopy technique with white light continuum to reveal wavelength dependent dynamics of VO2, bandgap needs to be opened. Therefore, nanostructured amorphous and crystalline ... -
Fast pyrolysis of sesame stalk: yields and structural analysis of bio-oil
(Elsevier Science BV, 2004)Sesame stalk pyrolysis experiments were conducted in a fixed-bed reactor in an attempt to determine the effects of pyrolysis temperature, particle size, heating rate and sweeping gas (N-2) flow rate on the product yields ... -
Fracture toughness of alumina/lanthanum titanate laminate composites with a weak interface
(Elsevier Science BV, 2007)Layers of lanthanum titanate (La2Ti2O7) and alpha-alumina (alpha-Al2O3) were employed to form a layered composite in order to improve the fracture toughness of monolithic alumina. The composites were produced by two different ... -
Magnetic MCM-41 silica particles grafted with poly(glycidylmethacrylate) brush: Modification and application for removal of direct dyes
(Elsevier Science BV, 2017)Magnetic MCM-41composite particles were prepared and modified with (3-aminopropyl) triethoxysilane (APTES), then grafted with poly(glycidyl methacrylate) p(GMA) by surface-initiated atom transfer radical polymerization ... -
A novel approach for synthesis of monticellite based bioactive ceramic powders from boron derivative waste
(Elsevier Science BV, 2017)Monticellite bioactive ceramics have a high usage potential as bone graft substitutes due to their superior mechanical properties compared to hydroxyapatite and excellent bioactivity. Turkey has almost 72% of the global ... -
Spark plasma sintering of Co-WC cubic boron nitride composites
(Elsevier Science BV, 2009)25 vol.% cubic boron nitride (cBN) added tungsten carbide (WC) powders containing 6 wt.% Co (WC-6Co) were densified by spark plasma sintering (SPS) technique under different experimental conditions and the effect of cBN ... -
Spectroscopic analysis of pigments and inks in manuscripts. III. Old-Slavonic manuscripts with multicolored rubication
(Elsevier Science BV, 2015)Raman spectroscopy, FTIR spectroscopy and SEM-EDS were applied in characterization of pigments and inks in five old-Slavonic manuscripts: Kicevo Four Gospel (16th century), Zrze Four Gospel (16th/beginning of 17th century), ... -
Spectroscopic analysis of pigments and inks in manuscripts: II. Islamic illuminated manuscripts (16th-18th century)
(Elsevier Science BV, 2014)Pigments and inks in five Islamic illuminated manuscripts, dated from 16th to 18th century, were investigated by micro-Raman spectroscopy and SEM-EDX analyses. Micro-Raman spectroscopy was employed for characterization of ... -
Study of the boron levels in serum after implantation of different ratios nano-hexagonal boron nitride-hydroxy apatite in rat femurs
(Elsevier Science BV, 2016)Boron and its derivatives are effective in bone recovery and osteointegration. However, increasing the boron levels in body liquids may cause toxicity. The aim of our study is to investigate serum boron levels using ICP-MS ... -
Thermal properties of pressureless melt infiltrated AlN-Si-Al composites
(Elsevier Science BV, 2013)Thermal properties of AlN-Si-Al composites produced by pressureless melt infiltration of Al/Al alloys into porous alpha-Si3N4 preforms were investigated in a temperature range of 50-300 degrees C. SEM and TEM investigations ... -
Thermochemical conversion of poultry chicken feather fibers of different colors into microporous fibers
(Elsevier Science BV, 2015)Thermochemical behavior of the poultry chicken feather fibers (PCFFs) of different colors was studied to gain an insight into their structural changes that were considered when converting them into fibers through pyrolysis ...