Materials Literature
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Carbons derived by the pyrolysis of Sorona activated by $ZnCl_2$ in the ratio of 1:20 and non-porogen Sorona carbons are used as the electrode materials in asymmetric electrochemical supercapacitors and electrochemical behavior is investigated. Scanning electron microscopy (SEM) reveals the porogen free carbons show a…
This paper calculates the core and copper losses as heating sources of a 24MVA cast resin transformer, and analyzes the thermal distribution of the transformer to find out its hot-spot area by FEM program. Since the winding of the transformer is composed with many series and parallel circuits, the analyzing model of t…
Impinging microdroplet(충돌미소액적), Textured surface(결 표면), Wetting state(젖음상태)
As the result of reviewing the linked treatment of water quality for treating process at public livestock wastewater treatment facilities for fair selection of the proper linked process in case of linking sewage treatment plant for livestock wastewater, in case of wastewater processed by bio-reactor that is only biolo…
The pure lead zirconate ( PbZrO3 ) and low concentrations thorium-doped samples with general formula (Pb1-xThxZrO3) where x = 0.05,0.1,0.2,0.25 mole were synthesized by the conventional solid state method and sintering procedures . Experimental XRD-measurements indicated that Thorium dopant can substitute successfully…
Thymol (Thy) is a widely known anti-microbial agent and can be found as one of the components of many essential oils. Intermolecular charge-transfer complexes between the Thy as a donor and picric acid (PA), chloranilic acid (CLA), 1,3-dinitrobenzene (DNB) or p-chloranil (p-CHL) as a p-acceptor have been structurally…
Some information was provided about the influence of type and percent of steel and composite reinforcement, on the strength and deformability in strengthened reinforced concrete beams. It was found, that the increment degree of strength in beams decreases by the increasing in percentage of steel reinforcement, especia…
En este trabajo se obtuvieron hidrogeles (HG) con potenciales aplicaciones en el tratamiento de infecciones oseas, sintetizados a partir de poli(acrilamida) y poli(acrilamida-co-acido itaconico). Los HG fueron sintetizados y caracterizados para determinar su capacidad de absorcion de calcio y de interaccionar con un a…
La necesidad de obtener nuevos y mejores productos con propiedades finales especificas ha propiciado el desarrollo de nuevos polimeros, los cuales requieren de la adicion de agentes compatibilizantes que posean suficientes grupos funcionales reactivos capaces de reducir la energia interfacial, aumentando la adhesion y…
En este artículo se presentan las experiencias relacionadas con la realización del ensayo de verificación de la capacidad mecánica de los tanques de los transformadores de distribución tipo poste, para soportar sobrepresiones súbitas producidas por fallas internas de alta corriente, de acuerdo a la Norma IEEE C57.12.2…
En este trabajo se presenta la síntesis de politiofeno con características conductoras el cual fue sintetizado mediante oxidación química en un solo paso. Los resultados de la caracterización por FTIR confirman la obtención del polímeros, mientras que los resultados de UV-Vis y XRD confirman la conductividad de…
Method of successive approximations was used to solve the problem of optimization of multispan continuous beam. Cross section of a beam was a welded I-beam. By the variation of the width of the shelf we ensured that the maximum equivalent stress for energy theory of strength in each section is the same throughout. The…
En este trabajo se obtuvieron películas delgadas de fases de Ag3SbS3 y AgSbSe2, mediante tratamiento térmico de Sb2S3- Ag2S o Ag2Se por el método de depósito químico. Éstas fueron de 400 y 120 nm, respectivamente, posteriormente fueron tratadas térmicamente a 350ºC para Ag3SbS3, obteniendo además la fase AgSbS…
ABSTRACT Electroplating is a metal or non-metal coating process with electrolyze that use direct current (DC) and electrolyte (chemical solution) that has a function as medium to supply metal ions. The function of electroplating are protecting metal from corrotion attack, adding surface hardness and improving quality…
Abstract : LONG-TERM GOALS: The long-term scientific objective of this project is to increase our understanding of acoustic propagation and scattering in the presence of schools of fish, the effects of which can potentially overshadow all other acoustic mechanisms in shallow water. This in turn benefits sonar operatio…
Laser etched 300 series Stainless Steel Burst Disks (SSBD) ranging between 0.178 mm (0.007-in.) and 0.508mm (0.020-in.) thick were designed for use in a 17-caliber two-stage light gas launcher. First, a disk manufacturing method was selected using a combination of wire electrical discharge machining (EDM) to form the…
The primary plant cell wall consists of a complex set of polysaccharides including pectin, cellulose and hemicelluloses that are critical for normal plant development. There are three major forms of pectin, rhamnogalacturonan I (RG-I), rhamnogalacturonan II (RG-II) and homogalacturonan (HGA). Of these, the pectic poly…
The main objective of this project is to systematically characterize the surface composition, morphology, and electro-catalytic properties of catalysts coated on LSCF, aiming to establish the scientific basis for rational design of high-performance cathodes by combining a porous backbone (such as LSCF) with a thin cat…
In replying, the authors of the original work [ibid., vol. 58, no. 10, pp. 2646-2653, Oct. 2010] would like to address the comments by J.J. Barroso and U. C. Hasar ["Comments on 'A unique extraction of metamaterial parameters based on Kramers-Kronig relationship'" - see ibid., vol. 60, no. 6, pp. 1743-1744, Jun. 2012]…
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