Materials Literature
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Noise (unwanted sound) is a kind of pollution that hits public community in many cities and industrial areas, harms human health both physically and psychologically. The aim of the study is producing an acoustical composite as building material component for absorbing noise. The method was conducted by synthesizing an…
Norfloxacin Eu(III) complex was synthesized with chemical formula [Eu(NFX)3].6H2O. The NFX acts as deprotonated bidentate ligand through the oxygen atom of carbonyl group and the oxygen atom of carboxylic group. Elemental analysis, FT–IR spectral, electrical conductivity, thermal analysis (TG/DTA) studies have been us…
Reactivity of C60 was investigated by DFT/PBE/SBK with respect to acetylene intercalated into fullerite Formation of new chemical compounds between C60 and C2H2 in the octahedral pore fullerite was predicted. Spectral properties (IR-spectrum and the NMR chemical shifts) of the compounds were calculated.
Reinforced electrospun PAN nanofibers with mixture of carbon nanotubes and carbon nanofibers were produced via electrospinning techniques. The study was conducted to examine the effect of ratio CNT:CNF to the conductivity and thermal stability of the electrospun PAN nanofiber. The electro-spinning was performed using…
Recent advances in the application of nanotechnology in medicine, often referred to as nanomedicine, may revolutionize our approach to healthcare. Cancer nanotechnology is a relatively novel interdisciplinary area of comprehensive research that combines the basic sciences, like biology and chemistry, with engineering…
2 Abstract: Corrosion due to pitting and heat affected zone (HAZ) in weldments are the serious problems for any welding industry, which reduces the service life of the product. It is a challenging task for a metallurgist to solve the above problem. Super-duplex stainless steels present excellent combination of mechani…
We present a novel framework to solve thin-film equations with an explicit non-zero contact angle, where the support of the solution is treated as an unknown. The algorithm uses a finite element method based on a gradient formulation of the thin-film equations coupled to an arbitrary Lagrangian-Eulerian method for the…
에너지원의 활용성 측면과 전력수급의 효율성을 향상시키기 위한 현실적 대안 중 초임계 CO2 발전 기술은 다양한 열원에 적용 가능한 범용적인 사이클로 발전 기술의 패러다임을 바꿀 수 있는 잠재력을 가지고 있다. 본 고에 서는 초임계 CO2의 특성과 이를 이용하여 발전 사이클의 효율 및 소형화가 가능한 원리를 소개하고 최근에 초임계 CO2 발전 기술이 각광받기 시작한 근거를 검토하였다. 그리고 다양한 발전 분야에 대한 주요 국가의 초임계 CO2 발전 기술의 최신 개발 동향을 중심으로 기술하였다.
Nanotechnology promises a very wide variety of solutions to many aspects of cancer detection and treatment. The technology is new, with most research currently in the animal trial phase, but very promising. In the field of tumor detection, nano-scale transistors can detect marker proteins at concentrations of only .02…
economy,” Meisner said. “This will be the first application of hightemperature thermoelectric materials for high-volume use.” Thermoelectric generators use materials that convert temperature differences into an electric potential. Meissner said that earlier devices simply bolted onto the exhaust pipe, away from the he…
Given its importance in major treatments including dyeing and finishing processes, the present work studied water transport through textiles and introduced a novel apparatus based on electrical capacitive technique to measure it. Fabrics made of cotton and viscose having 17 and 26 wefts/cm were examined. Also, the inf…
The effect of silver/ dielectric sub-wavelength gratings and silicon dioxide transition layer, when embedded onto InGaN/GaN -LED system, has been studied for enhancement of the polarized light. The SiO2 transition layer is placed between InGaN/GaN -LED and the grating section. The effect of the gratings geometric para…
играют роль темплатов, на поверхности которых растут низкоразмерные структуры AlOOH, и обеспечива-ют устойчивость образовавшихся структур к агломерации. Отмечены существенные различия в ориента-ции листов по отношению к поверхности темплата в зависимости от его заряда. Ориентация нанолистов AlOOH зависит от знака заря…
The β-crystallization of PVDF was investigated in this study. Nanocomposites were prepared by melt mixing PVDF, and 80/20 w/w PVDF/PMMA blends, with non-activated and mechanical activated (5 min and 10 min) BaTiO3 in a Brabender Plastograph internal mixer. The samples were then quenched in ice water followed by anneal…
Ultrasonic velocity and density measurements of ligand, 3-(Chloroaryl)-5-aryl-1-substituted Pyrazolines were carried out at different percentage of dioxane solvents for investigating solute-solvent, solute-solute interaction at different temperature 293 K 297 K, and 300 K. The data obtained during the study is used fo…
Influence on the indexes of porosity of the weld-fabricated guy-sutures of introduction is experimentally investigational to the area of welding of the distilled water. It is confirmed that the amount of pores on the single area of the weld-fabricated guy-sutures is distributed by law of Puassona, and their diameter b…
Steam generator tubing represents a large part of the reactor coolant pressure boundary, which represents the second of three consecutive safety barriers preventing the release of the radioactive materials to the environment. Significant degradation problems could result in increasing number of plugged tubes that coul…
Thin film of amorphous carbon (DLC) was deposited on 316 steel using Nd:YAG laser having energy 300mJ. Pure graphite was used as a target. The vacuum in the deposition chamber was generated in the range of 10 mbar by turbo molecular pump. Ratio of sp3 to sp2 content shows amorphous nature of the film. This -6 was conf…
Employing fibers particularly those from renewable materials as an alternative to inorganic fibers in composites is part of the effort to promote bio-based products as well as to broaden recycling of solid wastes. In this work, the use of agro waste Alpinia galanga (AG) as composite reinforcement was investigated in t…
The alternate current (ac) and direct current (dc) electrical conductivity of polypyrrole doped with strontium hexaferritecompositehas been investigated at different temperatures in the frequency range of 100 Hz to 1 MHz.A conducting polymer, Polypyrrole wassynthesizedbychemical polymerization method and doped with do…