Materials Literature
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An isocratic reverse phase High Performance liquid chromatography (RP-HPLC) method has been developed and subsequently validated for the determination of Balsalazide disodium dihydrate in Bulk and its pharmaceutical formulation. Separation was achieved with CrestPack RP C18 (Make: Jasco; 250 mm x 4.6 mm I.D; particle…
SUMMARY An experimental study is made to determine the thermal output by convection and radiation inside a closed enclosure, crossed by two cylindrical tubes.The objective of this study is to determine the quantity of energy necessary, then to model it for current applications (drying, solar collectors etc.). A quanti…
This paper studies on the influence of annealing temperature on the distribution of Si content in the electro-deposition samples of high silicon steel, and the content distribution of Si, the section layer textures and the texture distribution are also analyzed. The results show that higher the temperature is, bigger…
Экспериментально исследована температурная зависимость электропроводности легированных же-лезом кристаллов ниобата лития. Описана автоматизированная установка для измерения вольт-амперной характеристики высокоомных кристаллов при температурах от комнатной до 120°С (с точностью измерения температуры не ниже 0,5°С). Уст…
Tissue engineering can be easily described as the in vitro seeding and attachment of human cells onto a scaffold in order to develop new tissue. The application of polymers as scaffolds may bring interesting properties, such as bioresorbability, biocompatibility, mechanical behavior closer to that presented by the ori…
of these superordination results are discussed. Relevant connections of some of the new results obtained in this paper with those in earlier works are also provided.
2 Abstract: Timbers used for building are often susceptible to burning in the case of fire outbreak. Hence, the need to treat them with flame retardant paints. The effectiveness of this technique was studied by coating two common place timbers, Gmelina arborea and Cholophora excels with emulsion and gloss paints mixed…
This paper presents a novel patch antenna using circular split ring resonator for ultra-wideband applications. The radiating element of the proposed antenna is a split-ring resonator (SRR). The geometrical parameters are optimized to reach the best electromagnetic properties, with a small size (30 mm × 39 mm) and a si…
Background: Preparation of thermoset unsaturated polyester reinforced with particle size Bertam (Eugeissona tristis) by hand layout method. The Bertam leaves were cut to small size before pulverizing process and dried first. After sieving process, the size fibers were analyzed by using particle size analyzer to get to…
The several problems that distribution systems can exhibit throughout its useful life motivate the research and development of new methodologies to avoid or anticipate them. The usefulness of a sensor based on the Electrochemical Impedance Spectroscopy (EIS) technique applied to ductile iron pipes has been assessed in…
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Recent wide spread applications of power electronic equipments have caused an increase of the harmonic disturbances in the power systems. The nonlinear loads draw harmonic and reactive power components from AC mains. Here a PI controlled shunt active power filter and fuzzy controlled shunt active power filter are pres…
Sailing cloth용 섬유소재를 개발하는 기술 중 슈퍼섬유를 활용하여 제품화하는 기술은 가장 최신의 기술이 면서, 산업계에서도 수요가 큰 연구개발분야 일 것이다. Sailing cloth 섬유소재는 주로 초고분자량 폴리에틴렌, 아라 미드계 소재가 많이 사용되고 있으며, 가공분야는 라미네이팅과 코팅법에 의하여 용도적합성에 따라 개발되고 있음을 확인하였다. 최근에 개발 중인 Sailing cloth용 제품에 대한 기술동향과 시장동향에 대한 현황을 살펴보았다. 고성능 섬유를 활용한 소재개발 종류 및 가공기술에 이르기까지 최신 연구동향을 중심으로 기술하였다.
We present design thin film multi-cavity sharpness pulses applied in communications Field. These filters are most widely used filtration technologies that made possible technical advancement of modern optical communication system.This paper is concerned with a theoretical study on optoelectronics physics to design and…
Two types of stainless steel are suggested to substitute Ni resist iron in manufacturing brine recirculation pump casings used in desalination plants. These are austenitic stainless steel UNS S31600 and super duplex stainless steel UNS S32750. In addition to cast stainless steels, original pump manufacturers use welde…
Abstract- This paper proposes an algorithm for detecting current transformer (CT) saturation by analyzing a secondary current. The current has point of inflection where saturation begins and ends. Then, discontinuity in the first difference of the current arises at the next instants of points of inflection, where the…
Photocatalytic reduction of cobalt (II) has been carried out in the presence of bismuth vanadate as a reductant. The reaction was monitored spectrophotmetrically. The effect of various parameters on the rate of reduction was observed. It was observed that cobalt (II) was reduced to cobalt metal.
The protection influence of three thiourea derivatives against C- steel corrosion was studied in 1 M HCl solutions at 30 o C. Measurements were conducted under various experimental conditions using weight loss, potentiodynamic polarization, electrochemical impedance spectroscopy (EIS) and electrochemical frequency mod…
----------------------------------------------------ABSTRACT----------------------------------------------------To control the steric interactions induced by disubstitution in the polythiophene and its derivatives a series of 3,4-disubstituted polythiophene derivatives have been described. In the present study the eff…
Extraction of Heliotropium curassavicum. Aerial parts resulted . The crude extract was evaluated for their antibacterial and antifungal activity. The results indicate that Ethyl acetate and methanolic extracts, exhibited significant antimicrobial activity.