Materials Literature
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A comparative analysis of the spalling of (a) cores made of 3 concrete mixes embedded into 3 slabs made of the 3 same concrete mixes; and (b) 3 reference slabs made again of the same 3 concrete mixes has been made. Samples have been exposed to the French Increased HydroCarbon temperature curve. Results confirm that co…
Co/Pt multilayer structures with varying Pt layer thicknesses from 1.5 to 12 Å were deposited on Ta buffer \nlayer by DC magnetron sputtering technique and both of their magnetic and structural properties were investigated. All the multilayers showed perpendicular magnetic anisotropy (PMA) and the enhancement in PMA i…
When a scale of metal cutting process reduces to micrometer range, mechanics of material removal are affected by various factors such as workpiece material, cutting tool geometry and cutting conditions. A suitable model of constitutive behaviour of the material is needed to represent properties of the work material at…
The growth of the microalgal culture Euglena gracilis was studied under the influence of fungicides. To suppress the development of spores or mycelium of pathogenic fungi in the E. gracilis culture we used four preparations of fungicides widely employed in agriculture for the protection of plants against fungal infect…
800x600 Tujuan dari penilitian ini adalah untuk mengetahui pengaruh penambahan Mg (0%, 5%, 10%, 15%) pada paduan Al-Si. Bahan yang digunakan dalam penelitian ini adalah paduan Al-Si berupa piston bekas motor honda supra X dan magnesium (Mg) berupa waffle ingot. Piston bekas yang memiliki komposisi 82,87 % Al, 12,93 %…
It is known that the degradation of mechanical properties of reactor pressure vessel steels caused by neutron irradiation is partly due to the formation of nanometer-size solute and point-defect (PD) clusters. Depending on temperature, PDs produced by collision cascades under neutron irradiation can migrate and either…
We present linear conjugated combined aberration modes with a concentric pupil diameter of 4 mm. The combinations are according to the coupling relationship between Zernike modes over the concentric circle domain within the unit circle and the root mean square decreasing amplitude ratio of the corresponding aberration…
A study was conducted to measure wool fibre diameter and medullation using advanced computerised projection microscope with image analysis software and results were compared with conventional microscope method. The variations in fibre diameter measured by two methods were significant at 5% level. However, the standard…
Understanding the fundamental properties of electrochemical systems, especially at the microscopic level, requires advanced tools combining electrochemical microscopy and scanning probe techniques with mathematical modeling for the quantification of the physicochemical characteristics of these environments. Comparison…
The paper deals with the three-phase three-wire shunt active power filter. The analysis of capacitor voltage in such compensator is presented. It is shown that fast component of the capacitor voltage is unavoidable. The slow component should be stabilized on the desired level. The results of SIMULINK computation for c…
The kinetics of osmium(VIII) catalyzed oxidation of antibiotic drug chloramphenicol by hexacyanoferrate(III) in aqueous alkaline medium was studied spectrophotometrically at 25°C. The reaction between chloramphenicol and hexacyanoferrate(III) in alkaline medium exhibits 1:2 stoichiometry (CHP:HCF(III)). The reaction i…
Zusammenfassung Aufgrund der Entwicklungen der Servopressen-Technologie in den letzten Jahren wird deren Einsatz für Unternehmen im Bereich der Kaltmassivumformung immer interessanter. Die Nutzung flexibel gestaltbarer Hubverläufe ermöglicht es dabei, gezielt auf den Umformprozess durch eine Variation der Umformgeschw…
Critical materials represent mostly metals having a big importance for the future of the economy in the European countries. It is very difficult to replace these critical metals by other metals. Because of their wide application, the demand for these metals is increased, but the production cannot follow their growing…
Summary: Some features of the instantaneous active and reactive powers p and q , not reported earlier, are discussed in this paper. It is shown that oscillating components and of these powers may not depend on the order of the load current harmonic. It was shown, moreover, that a load supplied with a nonsinusoidal vol…
通过实验模拟了10组氮、磷负荷对菹草(Potamogeton crispus)生长期和衰亡期茎叶附着物的影响.结果显示:随着水体氮、磷浓度的升高,菹草附着物的叶绿素a(Chl.a)含量、附着有机物量、附着无机物量和附着物总量均增加,在氮、磷浓度最高的T10组(总氮12.0 mg/L,总磷1.0 mg/L),附着物的总量达到高峰,附着物的Chl.a含量为2.005~4.765mg/g(DW),附着有机物的量为29.027~94.886 mg/g(DW),附着无机物的量为176.881~397.750 mg/g(DW),附着物总量为205.909~492.636 mg/g(DW).在菹草的快速生长期、稳定期和衰亡期,附着物的Chl.a…
Hierarchical structures of Li1+xV3O8 nanorods growing on electrospun fibers have been successfully synthesized by electrospinning and calcinations.Field-emission scanning electron microscopy, transmission electron microscopy, X-ray diffraction and Raman spectra are applied to characterize the products.The formation me…
This report covers papers published in 2012 dealing with the application of computational techniques to inorganic solids. It deals mainly with continuous solids that are ionic in nature; work on metals is excluded. Special attention is given to solids used in solid oxide fuel cells and batteries, solids with useful or…
The dramatic development of oil, electric power and transportation industries deteriorated alternating current(AC) interference of the pipelines. As a consequence, not only the corrosion of pipelines would be enhanced, but also the cathodic protection(CP) systems be affected significantly. The traditional CP criterion…
Cobalt tetra(2,4-dichloro-1,3,5-triazine)aminophthalocyanine(CoPc) was immobilized covalently on activated carbon fiber(ACF) felt to obtain CoPc-modified ACF(CoPc-ACF) catalyst, and an electrocatalytic oxidation system using CoPc-ACF as the anode was constructed. The electrocatalytic oxidation of Acid Red 1(AR1) was i…
and{223}components tend to be stable in subsequent cold rolling process.During annealing,on one hand,the development of∥ND texture is suppressed because finer MoC particles prevent the grain boundary migration.On the other hand,unfavorable texture{001}significantly reduces with Mo increasing,which is attributed to tha…