Materials Literature
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Rationale The most common teaching style used in science and engineering at the K-16 level is traditional instruction, which does not foster interdisciplinary thinking. Many efforts have been done to promote conceptual learning [1-8]. However, within each discipline, limited efforts have been focused on encouraging st…
Abstract Not Provided
In accordance with the present disclosure, a method for fabricating a symmetrical solid oxide fuel cell is described. The method includes synthesizing a composition comprising perovskite and applying the composition on an electrolyte support to form both an anode and a cathode.
Russian Abstract: Исследовано напряженное состояние механически неоднородного сварного соединения с поверхностным трещиноподобным дефектом. Приведен расчет его статической прочности.English Abstract: The stressed state of mechanically discontinuous welded joint with surface crack-like defect is investigated. The stati…
溶胶-凝胶法制备了Ag掺杂的ZnO薄膜(AZO)。采用X射线衍射(XRD)、扫描电子显微镜(SEM)、UV-VIS分光光度计、光致发光检测研究了掺杂浓度和退火温度对AZO薄膜光学和结构的影响。AZO薄膜呈(002)择优生长的纤维锌矿六角形结构的多晶相。0.5%和1%Ag掺杂的薄膜在可见光波长区域光学透过率在70%～80%之间,随着Ag掺杂浓度的升高平均透过率有所降低。5%Ag掺杂的ZnO薄膜经空气中700℃退火后出现两条发射光谱带,经He气氛中退火后UV发射光谱显著增强,并且可见光发射光谱随之消失。
Boundary Conditions & Discretization • LS DYNA Analysis Simplifications-2D Axisymmetric • Plate (76.2 mm radius, 12.7 mm thick) -Free boundary conditions • CTH Analysis -Zone size (Coarse to Fine) • Impact Velocity -6.57, 5.34, and 5.06 km/sec • Simulation run time (~ 5 -40 μs)
Project1: Unraveling the impact of microRNA on Amyotrophic Lateral Sclerosis pathogenesis. Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease that specifically affects upper and lower motor neurons leading to progressive paralysis and death. There is currently no effective treatment. Thus, identificati…
Due to their superior properties such as high specific strength, high creep resistance and high strength at elevated temperatures, aluminum composites reinforced with alumina nano particles are widely used for advanced purposes such as aerospace and auto industries. Lack of an appropriate welding process limits their…
We investigate the slow dynamics of a colloidal model with two repulsive\nlength scales, whose interaction potential is the sum of a hard-core and a\nsquare shoulder. Despite the simplicity of the interactions, Mode-Coupling\ntheory predicts a complex dynamic scenario: a fluid-glass line with two\nreentrances and a gl…
La primera parte de esta investigacion sintetiza la informacion bibliografica sobre captores electromagneticos, haciendo un enfasis sobre el modelo de captor “PhaseTrack”. En este mismo capitulo se trata sobre el fundamento metalurgico de la transformacion de fases en los aceros. La austenita es una fase no magnetica;…
以十六烷基三甲基溴化铵（CTAB）为模板剂,正硅酸四乙酯（TEOS）为硅源,偏钒酸铵（NH4VO3）为钒源,乙醇和水为共溶剂,合成了具有棒状形貌的V-MCM-41。通过XRD、SEM、N2吸附-脱附对样品进行了表征,并研究了样品在苯羟基化反应中的催化性能。结果表明,V-MCM-41具有高度有序的孔道结构和大的比表面积;随着钒质量分数的增加,样品逐渐由短的棒状形貌变为较长的棒状形貌,并且催化活性逐渐增强;在相同钒质量分数下,合成的棒状形貌的样品比普通块状形貌的样品具有更好的催化性能。
采用水热法合成了一系列不同的WOx-SBA-15催化剂,采用X射线粉末衍射、扫描电镜等对催化剂进行了表征。在汽油的氧化脱硫过程中,考查了WOx-SBA-15中不同的Si与W物质的量比对氧化脱硫率的影响。同时考察了氧化脱硫体系中温度、反应时间、催化剂用量、剂油体积比等对脱硫率的影响。结果表明,催化剂的Si与W物质的量比为SW20时催化效果最好,在该反应体系中最佳的反应条件是：催化剂用量为60 mg,氧化反应时间为30 min,氧化温度为60℃,O/S的摩尔比为30,剂油比为1.25,萃取4次后模拟油的硫质量分数可从1 210.83μg/g降低到2.78μg/g,脱硫率可达99.77%。
Cette these a pour but de caracteriser le fonctionnement de supercondensateurs asymetriques composes de dioxyde de manganese de structure birnessite et de carbone active dans differents electrolytes. Les electrolytes aqueux neutres a base de sels inorganiques montrent les meilleures performances electrochimiques. La n…
Liposomal drug delivery (LDD) has become a promising strategy & is continuing to be a big success for the Pharmaceutical Industry. Toxicity associated with LDD did not pin point intricately making it impossible to construe. Although the induction of Liposomal toxicity is mysterious & there has been a limited explorati…
Die vorliegende Studie untersucht den Einfluss verschiedener Temperaturen auf das Wachstum und auf physiologische Parameter des BlasentangsFucus vesiculosusaus dem westlichen Baltikum (Kieler Förde). Auf 5 cm Länge zugeschnittene Proben wurden über 21 Tage in einem Temperaturgradienten von 5 bis 29 °C inkubiert, währe…
Gas Insulated Switchgears (GIS) are widely used due to their many benefits. The reliability of GIS is challenged due to the presence of spacer defects and/or metallic particles. Free metallic particles can tremendously reduce the insulation strength of GIS especially when they enter the triple junction region (consist…
The destabilization of a hexadecane, water, and baker’s yeast (O/W/Y mixture) emulsion by aeration and formation of a clear oil layer was investigated. The role of the air bubbles to destabilize the emulsion and form a clear oil layer was observed on previous research, but not investigated further until the current re…
Now a day biodiesel becomes best alternative for diesel fuel. Thermogravimetry technique has great acceptance in the field of fossil fuel. The thermal and kinetics properties of diesel and Jatropha biodiesel are analyzed by using popular technique of thermogravimetry. The aim is to study the behavior of diesel, biodie…
This study reports the development of Al-TiC metal matrix composites with 2.5 % of TiC is developed using in-situ route by the reaction of carbon powder and halide salt K2TiF6 with the aluminium melt. The composites were fabricated using stir casting process by varying three different factors such as temperature, addi…
Cu-Al-Be ternary alloy was prepared by ingot metallurgy route. Cu-Al-Be SMAs exhibit good shape memory properties. With the addition of Cr as quaternary alloying element to the ternary Cu-Al-Be alloys, their shape memory properties have been improved. The ternary alloy was added with 0.1, 0.2, 0.3 and 0.4wt. % Cr. The…