Materials Literature
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Zirconia ceramics are often considered in the nuclear industry for high temperature applications due to their radiation resistance, chemical inertness, high thermal stability and low thermal conductivity. However, wide application of zirconia ceramics is hindered by their degradation behavior in aqueous media. In this…
V prĂĄci je popsĂĄn pĹehled souÄasnĂŠho stavu vĂ˝zkumu mÄĹenĂ interakcĂ elektromagnetickĂ˝ch vln s rĹŻznĂ˝mi druhy materiĂĄlĹŻ, dĂĄle analĂ˝za moĹžnostĂ mÄĹenĂ interakcĂ vysokofrekvenÄnĂch vln (mikrovln) s materiĂĄly a vlastnĂ mÄĹenĂ interakce elektomagnetickĂŠho zĂĄĹenĂ s dielektrickĂ˝mi vzorky ve…
The performance of Double Convected Pom‐Pom (DCPP) model in predicting contraction flow was examined by means of particle image velocimetry (PIV) technique. Both the velocities at the centerline and the flow patterns were investigated experimentally and numerically for low density polyethylene (LDPE) and high density…
Abstract Particle shape is a critical parameter that plays an important role in self‐assembly, for example, in designing targeted complex structures with desired properties. Over the last decades, an unprecedented range of monodisperse nanoparticle systems with control over the shape of the particles have become avail…
Based on rigorous dynamical-theory calculations, we demonstrate the principle of an x-ray multiple-beam diffraction (MBD) scheme that overcomes the long-lasting difficulties of high-resolution in-plane diffraction from crystal surfaces. This scheme only utilizes symmetric reflection geometry with large incident angles…
The fast growth of technologies has driven the advancement of our society. It is often necessary to quickly grasp the linkage between different technologies in order to better understand the technical trend. The availability of huge volumes of granted patent documents provides a reasonable basis for analyzing the rela…
Principal component analyses (PCA) were conducted for skin spectral reflectance of a new skin colour database. Results for skin colours from different ethnic groups were analysed and reflectance re-construction based on first three components obtained by PCA were investigated. Significant differences in the derived pr…
The recent advances in thin-film thermoelectric (TE) materials have created opportunities for on-chip cooling and energy-harvesting with heat-fluxes >100W/cm2. However, it remains unclear how effective these materials are in the context of realistic microprocessor floorplan and workloads. Moreover, these TE materials…
In this paper, a thermodynamic equilibrium analysis coupled with experimentation for the hydrogen production from dimethyl ether is performed by total Gibbs free energy minimization method. Heat requirement from the process can be achieved from the exhaust gas of the engine. The effects of temperature of exhaust gas (…
In this work, we report on photoreflectance (PR) and photoreflectance-difference (PR-D) measurements of GaAs(001) upon deposition of Gd2O3 thin films. The study is focused on two different substrates: a semi-insulating (SI) with Cr impurities and a Si-doped n-type. PR-D results show that Gd2O3 induces a tensile strain…
Purpose The purpose of this paper is to explore the application of triglycidyl resin (TGC) prepared from cardanol as partial replacement of conventional bis-phenol A (BPA) based epoxy resin for zinc rich primers (ZRPs). Design/methodology/approach The synthesis of new platform chemicals that are based on renewable res…
Recently, great efforts were made to use green and environmentally friendly methods for the synthesis of nano size materials. These efforts involve the use of plant or fruit extracts as surfactants. Plant parts such as leaf, root, latex, seed, and stem are being used for metal nanoparticles synthesis. The greener envi…
Purpose The aim of this paper is to appraise the inhibiting potential of hydroxypropyl methylcellulose (HPMC) on the corrosion of mild steel and aluminium in sulphuric and hydrochloric acid solutions. Design/methodology/approach The effects of two different corrodents on the dissolution of mild steel and aluminium wer…
Plant oils are abundant renewable chemicals in the world. They can be used as the starting materials for making bio-based polymers and additives. These bio-based polymers and additives could be used in many applications such as plastics, fibers, elastomers, coatings and adhesives. In this chapter, we will review the r…
The reversible magnetization curves for various magnetic fields are investigated for a single crystal of the optimally doped NaFe0.97Co0.03As superconductor with the superconducting transition temperature Tc?=?20.9 K (?(T)?=?0) in the case where H is parallel to c-axis. A well-formed rounding effect is observed in the…
Some novel symmetrical bis(pyrrolo[2,3-d]pyrimidinyl)methanes were synthesized via diheteroarylation of sp3 CH bond of acetophenones with molecular iodine and DMSO. Further, an efficient reaction protocol was developed with which both symmetrical and some novel unsymmetrical bis(pyrrolo[2,3-d]pyrimidinyl)methanes were…
Non-linear loads, such as switched mode power supply, adjustable-speed drives, arc furnaces, etc., result in deterioration of power quality in terms of current harmonics and reactive power demand. Shunt active power filters are widely used to compensate the current harmonics, thereby improving power quality. Digital s…
We demonstrate the application of polystyrene-functionalized gold nanorods (AuNRs) as a platform for surface enhanced Raman scattering (SERS) quantification of the exogenous cancer biomarker Acetyl Amantadine (AcAm). We utilize the hydrophobicity of the polystyrene attached to the AuNR surface to capture the hydrophob…
We have developed a highly tunable, narrow band far-infrared (FIR) photodetector which utilizes the characteristic merits of graphene and two-dimensional electron gas (2DEG) in GaAs/AlxGa1−xAs heterostructure in the Quantum Hall states (QHS). The heterostructure surface is covered with chemical vapor-deposited graphen…
Fullerenes and their structure and stability have been a major topic of discussion and research since their discovery nearly 30 years ago. The isolated pentagon rule (IPR) has long served as a guideline for predicting the most stable fullerene cages. More recently, endohedral metallofullerenes have been discovered tha…