Materials Literature
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The environmental impacts of material production and processing are rapidly increasing and critical. These impacts can be reduced, to some extent, by development of either a suitable material or by implementing a novel process route to improve the material efficiency. In such circumstances, the recent emergence of nea…
Abstract—This paper presents a new unified power-quality conditioning system (MC-UPQC), capable of simultaneous compensation for voltage and current in multibus/multifeeder systems. In this configuration, one shunt voltage-source converter (shunt VSC) and two or more series VSCs exist. The system can be applied to adj…
Of the entire human genome, 90% of all genetic information is transcribed but only a fraction of that subsequent RNA is translated into proteins. RNAs which are not translated into proteins are deemed non-coding RNAs. Little is known about this large category of noncoding RNAs, although they perform a variety of funct…
It is well known that temperature has a great influence on performance of asphalt layers. Low temperatures raise the asphalt stiffness modulus which finally results in low temperature cracking. On the other hand, the increase of the temperature softens the asphalt binder and the stiffness modulus significantly drops.…
The success of nanotechnology will undoubtedly lead to the increased introduction of nanoparticles (NPs) into natural systems, and aquatic systems will likely act as sinks for these new pollutants. Differences in the chemistry of these aquatic systems will control changes in surface properties of NPs and therefore cou…
El prefijo 'nano' ha estado presente en los ultimos anos en un elevado numero de articulos, libros y material cientifico en general. La Quimica Analitica no ha sido ajena este impacto y ha ido incorporando de forma sistematica las distintas nanoparticulas y/o nanomateriales a sus procesos de medida, tanto como analito…
The focus of this work is on the design and fabrication of novel optical devices that exploit gradients in refractive index to bend and redirect light with a new level of control. Optical devices have now entered every facet of modern life, and enormous potential exists to harness light in new or more efficient ways.…
The article dwells on the process of integrated plant #817 (PA Mayak) expansion in production of plutonium and tritium for nuclear and thermonuclear weapon. It shows the reasons for concentration of all types of nuclear and thermonuclear charges production on the confined territory of the only in the 1948-1950s plant…
In the foundry, existing strength testing machines are used to measure only the maximum fracture strength of mould and core materials. With traditionally used methods, the loading history to ascertain deformation of the material is not available. In this paper, a novel moulding material strength testing machine was de…
The use of nanoparticles for drug delivery is an emerging nanotechnology that has generated much interest in overcoming challenges of current drug delivery systems (DDS) and replacing them. Mesoporous silica nanoparticles (MSNs) can be modified to provide for dual-stimulus responsive drug release. The capping mechanis…
Graphene as a conductive, transparent material, with a low cost and low environmental impact is reported to be ideal for sensor application. It is broadly investigated and promises an improvement of sensing performance due to its unique electrical transport properties. Therefore the use in active sensor elements such…
Fine of Al2O3 Powder was calcined at 200°C, 400°C, 600°C, and 800°C respectively for 2 hours under static air, x-ray diffraction, optical microscope and grain size distribution were done to analysis the resulting data after calcinations process. Batter particle size was achieved at 800°C of value (0.486) μm, while bat…
The generation of a new Lewis acid (BF2OBn·OEt2) has been reported, and its usefulness has been demonstrated in the regio- and stereoselective ring-opening of trisubstituted epoxides. This Lewis acid is one in a series of new Lewis acids generated from BF3·OEt2 that display varying levels of Lewis acidity. When paired…
Studying biological samples with scanning electron microscopy has specific requirements for their preparation. Sample drying is a particularly critical operation for objects such as cultured cells. The requirement for damaging drying step can be eliminated using environmental scanning electron microscopy. This study c…
U uvodnom dijelu rada prikazan je pregled postupaka i preporuka za određivanje dinamičke izdržljivosti brodske konstrukcije. Detaljno je opisana metoda proračuna dinamičke izdržljivosti pojednostavljenom metodom prema uputama klasifikacijskog društva Det \\Norske Veritas. Postupak je primijenjen na primjeru spoja uzdu…
We demonstrate electric bistability induced by the positive feedback of self-heating onto the thermally activated conductivity in a two-terminal device based on the organic semiconductor C60. The central undoped layer with a thickness of 200 nm is embedded between thinner n-doped layers adjacent to the contacts minimi…
The inhibitive influence of salicylideneaniline (a Schiff base) on the corrosion of aluminium in 1.0 N sodium hydroxide was studied by weight loss, potentiodynamic polarisation and electrochemical impedance measurements. The inhibition efficiency of the compound increases with its increasing concentration. The additio…
ALBA synchrotron de troisième génération (Barcelone, Espagne) APS Advanced Photon Source (synchrotron de troisième génération, Argonne, USA) BAG Block Allocation Group BESSY Berliner Elektronenspeicherring-Gesellschaft für Synchrotron Strahlung (Berlin, Allemagne) BLISS Beam Line Instrument Software Support BLOM Beam…
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation V. M. Braun, A. Khodjamirian; Soft contribution to B→γℓνℓ from dispersion relations and duality.…
本實驗將鎂-鐵層狀雙層氫氧化物(Mg-Fe Layered double hydroxide)直接成長於SUS-316L不銹鋼表面。藉由極化測試進而驗證Mg-Fe LDH有助於抗腐蝕能力的提升，在腐蝕液為0.85M硫酸溶液的極化測試中發現，Mg-Fe LDH的腐蝕電流密度I(corr)明顯低於原材SUS-316L。二氧化碳曝氣量4.0 Kpa的試片實驗結果具I(corr)小於1.0(μA/cm2)，顯現Mg-Fe LDH使得SUS-316L不銹鋼原材具有更佳抗腐蝕性能力；另外，藉由二氧化碳曝氣量的大小觀察Mg-Fe LDH片狀結構成長的情形，由SEM結果顯示經曝氣量越大而成長Mg-Fe LDH片狀結構的尺寸也愈大，二氧化碳曝氣量會…