Materials Literature
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Objective To study and optimize the preparation process and abserve the related properties of electret fluorouracil gel patch. Methods the adhesives and moistening agents were screened by preliminary experiment. The optimal matrix proportion in the blank gel patch was obtained with orthogonal design. The charge storag…
Phase change materials (PCMs) have an important role in heat energy storage, due to their ability to absorb and release heat preferably at almost equal temperature. Encapsulation of these materials provides them to perform in their full shape. Recently electrospinning has gained attention as an effective way of produc…
Dottorato di Ricerca in Ingegneria Meccanica, Ciclo XXVII, a.a. 2015
In the present study, attention has been focused on the intercalation of alkyl carboxylate (CnH2n+1COONa, n=5~17) into botallackite-type layer structured compound. The pristine basic copper hydroxide acetate was prepared by a newly developed refluxing process. According to XRD and SEM observation, thus prepared Cu2(OH…
Finding new ways of obtaining permanent joint in the absence of powerful heat source is an actual problem related to the conduct repairs, installation of equipment, etc. There is a perspective idea of joint formation by local heating using heat source, acceding directly to the plate that will be joined to the large sh…
The doctoral thesis deals with investigating protective properties of functional textile products to be used for the protection against electromagnetic radiation of various types. Interlining fabrics with copper coatings have been selected for the purpose, as well as knitted fabrics with silver-treated yarns and a fab…
This papers explored the analysis of the aspects fundamentals to study transient heat and mass transfer in transient (drying process) in textile fibers. The evolution of technology and mathematical optimization allowed to contribute more precise parameters in determining of thermal conductivity to the fabric and mass…
Rubber composites were prepared by precured CIIR pulverized at knead shear force in order to research the effects of the BR/PCP composites. The particle size of domain in BR/CIIR composites was decreased and homogeneously dispersed by the precured CIIR pulverized. However, it was difficult to use the product when the…
In this work, the Mg–5Al–2Ca alloy was extruded at 573, 623 and 673 K, with a ratio of 16:1 and a constant speed of 3 mm/s. Results demonstrate that the Al2Ca particle is formed in Mg–5Al–2Ca alloy. The size, amount and distribution of Al2Ca particles are influenced evidently by extrusion temperature. Unlike previous…
Dottorato di Ricerca in Ingegneria Meccanica Ciclo XXVIII, a.a. 2012-2015
Resumen del trabajo presentado al New Trends in Topological Insulators (NTTI), celebrado en Donostia-San Sebastián (España) del 6 al10 de julio de 2015.
Esters (methyl acetate, ethyl acetate, dimethyl oxalate) can oxidize Cu⁰ of the reduced Cu/SiO₂ catalyst to Cu⁺ and the obtained Cu⁺ can be reduced back to Cu⁰ by H₂ under reaction conditions. Cu⁰ and Cu⁺ are in a dynamic cycle during ester hydrogenation. The ratio of Cu⁺/Cu⁰ in the presence of esters under reaction c…
We have synthesized an outstanding nanoprobe composed of graphene oxide (GO) and silver nanoshell, which exhibited remarkable signal amplification by strong surface-enhanced resonance Raman scattering (SERRS). Silver nanoshell formed on the surface of silica nanoparticles by an amine-assisted reduction method, followe…
This report describes a bachelor assignment in which nanoparticle solutions are studied to understand their behavior. Nanoparticles have successfully been synthesized using a wet chemical seed-mediated synthesis method involving silver nitrate. These synthesized solutions were characterized using UV-Vis spectroscopy a…
The model of reaction diffusion in the binary system under an electric current has been considered. The existence of non-equilibrium vacancies in the diffusion system is a feature of the model. Sources / sinks of vacancies are at the interface and in the bulk of the new phase. There has been done numerical modeling of…
ZSM-5 zeolites with high molar ratio of silica to alumina were synthesized by hydrothermal crystallization method from industrial grade water glass and aluminium sulfate with butylamine as the template.The effects on crystallization products were investigated in different preparation factors such as crystallization ti…
KATKILI Bi1.5Zn0.92Nb1.5O6.92 PİROKLOR MALZEMELERE İYON RADYASYONUNUN ETKİSİ\nA ve B nin katyon ve X in anyon olduğu stokiyometrik piroklor formülü genellikle A2B2X7 şeklinde yazılır. Piroklor bileşiği sekiz fold koordinasyonda büyük A-konumu katyonu (yarıçap: yaklaşık 1Å) ve daha küçük olan oksijen oktahedra ağıyla s…
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Improvement in zinc alkaline battery performance through highly conductive materials, the introduction of anion-exchange coated filter papers and their huge promise for industrial use are the general aims of this work. Moreover, this work presents…
Various functional materials have inhomogeneous structure with essentially different diffusion kinetics in their subsystems. The importance of determining the effective diffusivity may be crucial while considering nanocrystalline materials. In nanocrystalline materials volume fractions of grains (crystallites) and int…
New copolymers based on methylmethacrylate containing distributed phenantrenequinone molecules have been produced for the purpose of optical recording by generating holographic diffractive structures under laser illumination. Chemical conditions for formation of holograms are discussed and confirmed by the spectral ch…