Materials Literature
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Die hier vorliegende Arbeit beschäftigt sich mit drei ausgewählten NAD-abhängigen Transferasen, welche aus struktureller und biochemischer Sicht noch nicht ausreichend charakterisiert sind. Das bakterielle Toxin CDT, sowie die humanen Sirtuine Sirt4 und Sirt5 wurden mittels computergestützter Methoden genauer untersuc…
Polyselenophene and its derivatives have numerous advantages compared with other conducting polymers,such as lower band gap, higher carrier mobility, lower oxidation potentials, etc., and hold promise for applications in several fields such as electrochromism, thermoelectrics, field effect transistors, and solar cells…
Highly efficient Cu-based methanol-steam reforming catalysts having thermal stability and strong activity around 250℃ were developed. To design the efficient catalysts supporting the large amount of Cu(~50wt.%) with high dispersion, Cu/CuAl2O4 nanocomposites having metal/spinel structures were synthesized by the autoc…
Klaida: Dragšienė.
Perkembangan teknologi produk desain sudah sangat maju, ditandai dengan perangkat lunak desain dengan kemudahan dan memiliki detail yang sangat baik untuk membuat desain 2D dan 3D. Desain perangkat lunak yang digunakan dan memiliki banyak fitur adalah creo parametric 2.0. Desain sheetmetal adalah salah satu fitur creo…
O cristal dipeptideo L-Alanil-L-alanina (Ala-Ala) foi estudado atraves da tecnica de espalhamento Raman polarizado submetido a deformacoes homogeneas. Os cristais foram crescidos pela tecnica de evaporacao lenta a partir de uma solucao aquosa supersaturada do po do cristal. Medidas de raios-x foram realizadas para con…
The luminescence properties of double-doped with Eu2 + and Ce3 + ions Ca3Sc2Si3O12 have been studied for the first time. The Eu2 + ions in Ca3Sc2Si3O12 exhibit a NIR emission with a maximum at about 840 nm, which is located in the highest spectral response region of c-Si photovoltaic solar cells. Upon the introduction…
镁及镁合金密度小、强度高，在航空航天、军工及电子等行业有着广泛的应用。近年来，随着对镁合金研究的深入，镁合金由于优越的性能被开发和利用到更多的行业。文章分析了镁合金应用在LED灯具上散热的优势，使用CAE分析软件Flo EFD仿真和实际测试验证的方式，探索了镁合金作为LED灯具散热器的可行性。
Poly(lactic acid) (PLA) fibers of submicron sizes encapsulating allyl isothiocyanate (AITC) (PfA) were made and electrospun onto the surfaces of PLA films (PfA-g-film). SEM examination confirmed that the fibers were grafted to the PLA film after the (PfA-g-film) underwent air blowing and water washing. The PfA-g-films…
采用固相反应法制备(1-x) SrTiO3-xAl2O3(摩尔分数x=0.30～0.50)系列微波介质陶瓷材料.通过设计实验改变Al2O3的添加量和烧结温度来研究体系的相组成、显微结构及介电性能之间的变化规律.结果表明:随着Al2O3添加量的增多,陶瓷体系的介电常数呈减小趋势;在1390～1450℃下,保温4h烧结时制备的(1-x) SrTiO3-xAl2O3陶瓷的致密度随烧结温度的变化不大,均在94％以上.当烧结温度为1450℃,x=0.5时,所制备的陶瓷体系具有较好的介电性能:介电常数约为77.57,介电损耗小于4.4 × 10-4,致密度约为98％.
La evolucion de la sociedad ha estado fuertemente influenciada por el desarrollo de nuevos materiales y aplicaciones, haciendo de la Ciencia de Materiales un importante campo de investigacion, donde interactuan tanto tecnicas como conocimientos de diferentes aereas cientificas. En este contexto, los ultimos descubrimi…
Development of bio-plastic synthesis have garnered many researchers' attention to turn the chemical plastic polymers into biocompatible plastics, such as using biologic enzymes for manufacturing, or using eco-friendly biomass as base materials. Regarding that above mentioned, poly(Lactic acid) (PLA) has received much…
The thesis can be divided in four parts and summarized as follows:(i) The investigation and development of a continuous flow synthesis procedure affording end-functional polymers by anionic polymerization and subsequent termination in one reaction step and on a multigram scale was carried out. Furthermore, the impleme…
A combination of suitable materials with high stability, conductivity, high surface area, and good capacitance is important to fabricate a high performance supercapacitor. In view of this, in this study, a hybrid nanocomposite of Ag/PANi/MWCNT-NH2 was prepared. At first, a nylon nanofiber-reinforced cellulose acetate…
The present dissertation aims at controlling texture using deformation {1 0 -1 2} twins and enhancing the effect of texture control to improve the mechanical properties of AZ31 magnesium alloy. First, the importance of initial {10-12} twins in the formation of deformation texture was investigated by conducting strain…
Elastic metamaterials have been intensively studied in recent years due to their unusual properties in manipulating elastic waves which are not readily available in nature. In the paper, an elastic metamaterial with two dissipative resonators is presented for blast-wave and broadband wave mitigation. The concepts of n…
Die Magnetresonanztomographie mit Einsatz eines entsprechenden Kontrastmittels bietet eine potentielle Moglichkeit Transportvorgange in vivo nicht invasiv zu charakterisieren. In vorherigen Arbeiten gelang es, die Organspezifitat des Leberkontrastmittels Gadoxetat (Primovist®) sowie den Einfluss genetischer Varianten…
In solid state physics, it is important to investigate into the interaction between various degree of freedoms, like spin, charge, lattice and orbital. Because any ordered degree of freedom has to influence the others, then their interaction will change the ground state of the system. In this thesis, I will focus on t…
The solar cells converse the incident sun light to electricity using photoelectrochemical process. Numerous materials in DSCs showed the important roles in core charge transfer phenomena such as light harvesting, electron injection, electron transport, and dye regeneration. For the flexible photovoltaic device as the…
Resistive random Access memory (RRAM) is one of the most attractive memory device because of its high scalability, high speed, high reliability (endurance, retention etc.), simple device structure and multi-level cell capability. In this study, Ultra high density RRAM are extensively studied. Moreover, to mitigate sne…