Materials Literature
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The effects of Ti substitution on the crystal chemistry and microwave dielectric properties of Ga1−xTa1−xTi2xO4 were investigated. GaTaO4 adopts a 1:1-ordered monoclinic α-PbO2 type structure. At 1300 °C the Ga1−xTa1−xTi2xO4 system formed a monoclinic α-PbO2 type solid solution when x ≤ 0.05, and further Ti substituti…
Thermal reduction of metal oxides is of primary interest within the R&D field of solar driven thermochemistry, because it is frequently involved in processes such as thermochemical cycles for hydrogen production or in thermochemical energy storage systems for solar thermal power plants. A lab-scale solar reactor has b…
Poly(azure B) (PAB) electropolymerized on a glassy carbon electrode (GCE) can effectively catalyze the oxidation and reduction of hydroquinone (HQ), with PAB acting as an electron transfer mediator. Compared with a bare GCE, the PAB-modified GCE significantly enhances the peak current and reduces the oxidation peak po…
Plastics are an essential part of most Fast Moving Consumer Goods’ (FMCG) packaging; however, plastics could pose a significant threat to environment. As FMCG packages are characterized by short life spans and high turnover rates, FMCG packaging is contributing to enormous amount of plastic pollution. On the other han…
We have performed in situ X-ray diffraction measurements under high pressure and high temperature to study hydrogen solubility in Fe3C carbide. Hydrogen solubility can be estimated from a volume expansion associated with hydrogen incorporation into metal. The lattice volumes and phase relations of Fe3C–H system and Fe…
In order to address the problem with titania distribution and recovery, series of Ti0.91O2/CFA photocatalysts (Ti0.91O2/CFA- n , n=2,4,6, and 8 ) were fabricated by assembling Ti0.91O2nanosheets on coal fly ash (CFA) microspheres via the layer-by-layer assembly (LBLA) process and characterized by scanning electron mic…
Novel water soluble robust fluorescent coumarins substituted with oligomeric alkoxy functions were synthesized by incorporating the Blaise reaction in the key step. Mono-methylated oligomeric polyethylene glycols were subjected to a three step protocol, namely (i) Michael addition to acrylonitrile, (ii) Blaise reactio…
Electrochemical deposition enables films of low-solubility organic molecules by a solution process, without needing high vacuum or solubilising side chains.
The extraction–desorption setup for the isolation of fluoxetine.
A detailed density functional study of the Pt atom and the Pt dimer adsorption on a polyaromatic hydrocarbon (PAH) is presented. The preferred adsorption site for a Pt atom is confirmed to be the bridge site. Upon adsorption of a single Pt atom, however, it is found here that the electronic ground state changes from t…
A model is proposed on the origin of the reversible redox transitions of molybdenum (Mo) and its oxides. The major and minor redox transitions are proposed to be associated with two thermodynamically non-equivalent adsorption sites at the structured surface oxides. Anion interaction/adsorption was found to be a decisi…
The chemical-looping combustion (CLC) and chemical-looping with oxygen uncoupling (CLOU) processes are novel solutions for efficient combustion with inherent separation of carbon dioxide. In this work, oxygen carriers based on CuO supported by zirconates of SrZrO 3 and CaZrO 3 are investigated. The oxygen carriers wer…
A novel 8-N conjoined energetic compound 1-amino-tetrazolo-[4,5- b ]tetrazole has been designed and investigated at the DFT-B3LYP/6-311++G** level of theory.
This manuscript describes a high temperature annealing process to prepare a porous substrate. The substrate was used for the growth of GaN by using HVPE method to provide reduced residual stress and low defect density.
A sample preparation protocol for accurate B quantification in metallurgical grade Si by ICP-OES is described and validated against PGAA.
An improved method, microwave heating with direct chemical activation, was applied to prepare activated carbons from livestock sewage sludge (LCA) in the work. Preparation parameters’ influences on iodine adsorption capacity and yield rate of the product were explored. It is found that the activated carbon activated b…
The relativistic effects on σ (Te), σ (Se), and σ (S) were evaluated separately by scalar and spin–orbit terms for various species containing Te, Se, and S nuclei. The applicability of σ t (Te) Rlt-so to analyze δ (Te) obsd and the trend in the nuclei are discussed.
Hierarchical TiO2 sub-microspheres (SMSs) constructed from anatase TiO2 nanorods (NRs) are prepared by a simple bottom-up self-assembly approach. The assembly process is achieved by dissolving the oleic acid-coated NRs into cyclohexane solution and refluxing at 80 °C without any other surfactants or complex steps. The…
Continuous flow tubular electrochemical reactor (CTER) was simulated by finite element method (FEM) for industrial and domestic wastewater treatment in this study. CTER was operated at response surface optimized conditions and the reaction kinetics was determined by the method of initial rates. Continuous flow tubular…
OBJECTIVES: In this study, we evaluated the antibacterial activity of self-etching adhesive systems against Streptococcus mutans using the agar diffusion method. MATERIALS AND METHODS: Three 2-step systems, Clearfil SE Bond (SE, Kuraray), Contax (CT, DMG), and Unifil Bond (UnB, GC), and three 1-step systems, Easy Bond…