Materials Literature
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La nota commenta la decisione della Corta di giustizia con la quale è stata dichiarata infondata la questione relativa alla possibile violazione del TFUE per l'avvio, da parte di alcuni Stati Membri, della procedura di cooperazione rafforzata in materia di effetto unitario del brevetto europeo.
Polybenzimidazole (PBI) doped with H3PO4 is the most commonly used membrane material for high-temperature polymer fuel cells. Proton conductivity is strongly dependent on acid doping and water content (humidity). Despite these facts, only little is known on the chemical equilibria of all species inside the membrane as…
In this paper a new macroscopic FEM-oriented\nmethods of mathematical modeling and a classification of\nelectrical losses in SMC materials is discussed, the\nexperimental data are provided and its processing is\nconsidered.
Tato disertační práce se zabývá studiem vlastností a možnostmi strukturování povrchu tenkých vrstev chalkogenidových skel systému As-Se. Studovány byly optické vlastnosti, tepelné vlastností, struktura a složení chalkogenidových skel složení As20Se80, As40Se60 a As50Se50. Pro korugaci povrchu tenkých vrstev byly studo…
Ways of receiving secondary bituminous cements by processing and subsequent modification the heavy oil waste are considered. Modification of vacuum tars is carried out by elementary sulfur.
Актуальной проблемой современной химии твердого тела является формирование и обоснование фундаментальных представлений о межфазных процессах в твердофазных сложнооксидных материалах микро- и нанокомпозитной морфологии, поскольку надежно установлено, что величина и характер проводимости композитов формируются именно в…
Disorders of the thyroid cause a multitude of neurological dysfunctions including depression, anxiety, and psychosis. Thyroid hormones have been primarily thought to act via genomic mechanisms throughout the organism; however, another mechanism has been proposed for the adult brain. Functional experiments on expressed…
Thesis (Ph.D.)--University of Washington, 2013
The functionalization of nanoclays is a relevant strategy to tune their properties in aqueous media.1,2 Among this kind of nanomaterials, natural halloysite nanotubes (HNTs) are very promising.3,4 The HNTs surface is composed of Si−O−Si groups in the external part, whereas it consists of a gibbsite-like array of Al-OH…
Coronary artery and peripheral vascular diseases are a leading cause of death and disability worldwide. Vascular bypass can be performed with autologous or synthetic grafts. Although both approaches can be used in the treatment of large diameter vessels, less than 50% of small diameter grafts remain patent 5 years aft…
Specular reflectance FTIR spectroscopic technique was applied to study the spectra of nephrite jades from four different geographical origins (Australia, Canada, China and Taiwan). Using these spectra, the mass ratio Fe / Fe + Mg was calculated using the absorption peaks in the infrared O-H stretching vibration band.…
Import 26/06/2013
RESSLAB
Ni50.6Ti49.4 specimens with %36, %55 and %60 porosity were produced by using \nspace holder and conventional sintering method. Pure magnesium was used as a \nspace holder and specimens were sintered at 1100C for 1 hour and at 1200C for \n2 hours. Sintered %36, %55 ve %60 porous Ni50.6Ti49.4 specimens were subjected…
espanolEl uso de tecnicas electroquimicas como tratamiento de restauracion del patrimonio metalico estuvo muy extendido durante el siglo pasado pero, debido al poco control de las mismas y al cambio en los criterios/etica de la restauracion, dejaron de usarse. En los ultimos anos, sin embargo, han resurgido con fuerza…
常温水溶液中用1H-1，2，4-三唑-3，5-二羧酸（H3adctrz）与醋酸锌反应得到配位聚合物1H-1，2，4．三唑．3，5-二羧酸锌[zn（Hadetrz）（H2O），）]。，单晶经同步辐射光源衍射分析、元素分析、红外光谱进行了表征。晶体结构分析给出该配合物结晶为单斜晶系为14号空间群P21/c，其中zn离子与氧、氮原子采取扭曲的八面体构型，价键总和（BVS）计算锌的氧化态是＋2，相邻的锌离子通过μ1．4．Hadctrz桥联形成一维“之”字型结构，链间通过分子间氢键作用扩展为二维网状结构。锌离子配位使1H-1，2，4-三唑-3，5-二羧酸在DMSO溶液中的荧光淬灭。
The densification mechanisms of polycrystalline α-alumina by spark plasma sintering are highly contradictory, with different research groups suggesting diffusion to dislocation controlled mechanisms to be rate controlling. The specific objective of this work was to investigate densification mechanisms of α-alumina dur…
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space grou…
С использованием атомно-силовой микроскопии исследована морфология поверхности тонких пленок Cu–Ga–Se, полученных совместным гидрохимическим осаждением селенидов меди (I) Cu2Se и галлия Ga2Se3. С помощью фрактального анализа АСМ-изображений установлена зависимость между условиями осаждения тонких пленок Cu–Ga–Se и их…
Water injection or water flooding is widely used as a secondary recovery method to increase the production of oil usually from mature oil wells. It requires the injection of water into the reservoir, typically using carbon steel pipelines. Their corrosion is a major issue for the oil and gas industry, involving high c…