Materials Literature
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Silica refractory bricks are used especially in the metallurgical industries, due to desirable properties such as high melting point, rigidity, and high temperatures strength. In this research, different amount of SiC were added to Silica refractory containing different binders such as Borax, Boric acid, Calcium nitri…
[ES] El trabajo trata sobre la eliminacion catalitica de los NOx que son los responsables de la contaminacion por smog fotoquimico y que contribuyen a la produccion de la lluvia acida. Estos contaminantes provienen principalmente de las emisiones de los automoviles y la falta de un sistema adecuado para su eliminacion…
The stress relaxation of materials used for e-textiles is investigated. Polymer yarns without and with metallization, and metal wires show time-dependent flow kinetics. Electric contacts in weaved structures are sensitive to shear fatigue. Local welded zones crack due to shear deformation. The experiments yield a basi…
Silicon dioxide thin film of different thicknesses has been grown on glass substrate by pulsed laser deposition technique with and without annealing temperature under the vacuum pressure of 8×10-2 mbar. The optical properties such as the absorption, and transmission spectra have been studied for the prepared SiO2 thin…
Experimental research into the possibilities of visualizing the distribution of magnetic stray fields near the surface of uniaxial highly anisotropic magnets and working fields of permanent thin-film magnets for microelectromechanical systems is performed. The possibility of visualizing the magnetic-field distribution…
Protein-carbohydrate interactions mediate a diverse range of biological responses including pathogen-cell adhesion. In this age of decreased antibiotic discovery and increased antibiotic resistance, the study of protein-carbohydrate interactions is crucial to improve our understanding of pathogen-host interactions and…
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Implantable devices must exhibit mechanical properties similar to native tissues to promote appropriate cellular behavior and regeneration. Herein, we report a new membrane manufacture method based on the synthesis of polyelectrolyte complexes (PECs) that exhibit saloplasticity, i.e. variable physical-chemistry using…
The thermal conductivity and the structural stability of Bi2Te3nanowire and nanotubes are investigated by molecular dynamics simulations with growth orientations [0 0 1] [0 1 0]. The thermal conductivity of nanowires is lower than the bulk thermal conductivity by a factor of ten, while for the nanotubes by a factor of…
High voltage capacitors are key components for transient storage and release of electrical energy in mobile electric devices, electric vehicles, stationary power systems and power transmission. Due to their high electric breakdown voltage, self-healing capability and affordability, polymer-based film capacitors are wi…
MgAl2O4/Ti(C,N) composites were synthesized through aluminothermic reaction between Al,TiO 2,MgO powders and phenolic resin in coke bed condition. Effect of addition of carbon black and sugar into the mixture at different temperatures were investigated. The phases and microstructures of samples were investigated by X-…
The data are presented on the evolution of the shape and position of the L 23 VV Auger line for the surface of single-crystal silicon Si(111) during its thermal oxidation. The fine structure of the high-energy region of the Auger spectrum is found to be related to the loss of energy by Auger electrons for plasmon exci…
Magnetic force microscope ( MFM ) is a powerful technique for mapping the magnetic force gradient above the sample surface. Herein, single-wall carbon nanotubes (SWCNT) were used to fabricate MFM probe by dielectrophoresis method which is a reproducible and cost-effective technique. The effect of induced voltage on th…
Deep eutectic solvents (DES) can be formed by bioactive compounds or pharmaceutical ingredients. A therapeutic DES (THEDES) based on ibuprofen, a non-steroidal anti-inflammatory drug, and menthol was synthesized. A controlled drug delivery system was developed by impregnating a starch:poly-ε-caprolactone polymeric bl…
用浸渍法制备了皂土负载Dawson型磷钨酸铝（30％AlH3P2W18O62·nH2O／皂土）催化剂；通过FTIR，XRD，SEM，EDS等方法对催化剂结构进行了表征；考察了催化剂催化环己醇脱水合成环己烯的性能。FTIR和EDS表征结果显示，负载前后AlH3P2W18O62·nH2O均保持Dawson结构；XRD和SEM表征结果显示，30％AlH3P2W18O62·nH2O／皂土保持了皂土的层状结构，AlH3P2W18O62·nH2O呈球形，均匀负载在皂土上。通过正交实验考察反应温度、催化剂用量及反应时间对脱水反应的影响。实验结果表明，在w（催化剂）=4．1％（基于环己醇质量）、反应温度180℃、反应时间35min的优化工艺条件下…
Reduction of the phonon thermal conductivity of thin films as their thickness is scaled down raises a lot of difficulties for the thermal management of nanodevices used in microelectronics or optics. In this work we aim to experimentally prove that the thermal conductivity of silicon dioxide thin films can be enhanced…
In this project a glycerol methacrylate hydrogel surface was synthesised, which acted as a biomaterial. This biomaterial was used as a surface on which fibroblast and macrophage type cells were grown. The hydrogels were synthesised from glycerol methacrylate, a hydrophilic monomer, cross-linked with glycerol dimethacr…
This paper describes chosen results of the measurements of various characteristics of Shape Memory Alloy wire in purpose of its usage as an actuator for self-switching electrical fuse. The experiments were performed by talented pupil of secondary school as a research project co-financed by Polish Ministry of Science a…
A major limitation in high-power three-dimensional chip stacks is the heat removal of dissipated power. To this end, highly thermally conductive intra-stack bondlines are required. Percolating thermal underfills (PTUs), where densely packed micron-sized dielectric particles fill the open space resulting from the elect…
For a model like that of Tamm, a linear periodical arrangement of a limited number of potential thresholds and wells is considered which is bordered by two higher potential steps at the ends representing the surfaces. Supposing the potential energy of the electrons in a solid is the sum of three functions each of whic…