Materials Literature
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Ein vielversprechender Ansatz zur Verbesserung der Leistungsfähigkeit von Kathodenmaterial für Lithium-Ionen-Batterien liegt in der Metallmischung. In dieser Arbeit nutzten wir Rechnungen mit Dichtefunktionaltheorie um elektrochemische Eigenschaften von LiM\({_x}\)M'\(_{1-x}\)PO\(_{4}\) (M,M'= Übergangsmetalle) Olivin…
THz vibrations of metal nanoparticles allow for strong nonlinearities. Au interband transitions and gap plasmons enhance nonlinear before tunneling sets in. Nonlinear aperture metasurfaces give ultrathin and high efficiency wavelength conversion.
中红外固体激光器（2~5μm）在卫星遥感、红外医疗、军事对抗、分子监测等领域具有非常重要的应用，是固体激光器发展的一个重要方向。II-VI族化合物（ZnSe、ZnS等）具有光学声子截止能量低，导热性能好、物理化学性能稳定、中红外透过率高等优点是作为中红外固体激光器增益介质优良的基质材料。过渡金属离子TM2+（Cr2+、Fe2+等）掺杂的II-VI族化合物材料在中红外波段具有很宽的增益带宽，大的吸收和发射截面，并且还具有强而宽的吸收和发射带，是具有重要应用前景的中红外宽调谐增益介质，成为近年来中红外固体激光材料研究热点。本文以Cr和Fe两种离子单掺和Cr、Fe及Co、Fe离子共掺的ZnSe和ZnS为研究对象，详细研究了上述材料的制备…
This research work presents a case study of the Nuclear Industries of Brazil - INB in the town of Buena, in the municipality of Sao Francisco de Itabapoana, State of Rio de Janeiro. The industry focusing on the impact of mining materials that are recognized as pollutants and contaminants through the process of social…
Cation migration according to a voltage gradient can be applicable not only to the non-linear optics but also to grating formation on glasses below their glass transition temperatures. This paper reports the relationship between the cation diffusion characteristics and the grating formation by the DC voltage applicati…
Anions are key components in many biological and industrial processes. They play crucial roles in both health and the environment. In many cases, it is important to control the concentration of anions or their removal in order to mediate their deleterious effects. Therefore, recognition of anions is of interest to res…
Increasing awareness among the world population of the need to protect the environment has motivated research on agricultural residues. This is due to the abundant sources of agricultural crop wastes that cause handling problems. Agricultural crop residues such as oil palm, pineapple leaf, banana and sugar palm are pr…
전갱이과에 속하는 민전갱이 (Uraspis helvola)의 형태적 특징을 상세히 재기재하고, 국내에서 처음으로 채집된 U. uraspis와 비교 분석하였다. 민전갱이와 U. uraspis는 측선의 직선 부위 시작점 위치 (민전갱이: 등지느러미 연조 12번째~13번째, U. uraspis: 등지느러미 연조 15번째~16번째)에서 구분되며, 가슴지느러미에서 흉부 사이 무린역의 연결성 (민전갱이: 무린역이 분리, U. uraspis: 무린역이 연결)에 따라 명확하게 구분된다. 새롭게 보고되는 U. uraspis의 속명과 국명은 각각 민전갱이속과 흑기민전갱이로 제안한다.
Chondroitin sulfate( CS) is a heterogeneous and negatively charged polysaccharide composed of repeating disaccharideunits,and has many pharmacological activities. CS has been recommended as symptomatic slow acting drugs for osteoarthritis( SYSADOA) in clinical practice. CS is shown to have promising prospect as a pote…
En este trabajo se presentan los resultados de la obtención de curvas de enfriamiento continuo (curvas CCT) a partir de ensayos de dilatometría, contemplando diferentes rapideces de enfriamiento para dos aceros de bajo carbono microaleados. En base a las curvas de dilatometría, se determinan las temperaturas iniciales…
The present work involves a synthesis and characterization of novel carbon phase from single wall carbon nanotubes (SWCNTs). The synthesis of this new material implicates extremely high-pressure pr ...
Thermoelectric materials can be straightforwardly defined as materials that, when subject to a temperature gradient will generate a potential difference between their cold and hot side. This peculi ...
Passivation paste for Passivated Emitter and Rear Cell (PERC) easily formed by screen-printing is described. The layer is composed of aluminum-other metal complex oxide. Passivation layer can be formed at low cost without gas-phase process. The forming procedure is as follows: (i) Printing the passivation paste on sil…
We begin by studying field-theory amplitude relations such as the Kleiss-Kuijf, Bern-Carrasco-Johansson, Kawai-Lewellen-Tye and the double copy construction, which are important ingredients in this thesis. Going beyond the field-theory limit we study how the gauge-sector of the heterotic string relates to type I ampli…
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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…
The hot working performance of Ti-6Al-4V alloy is sensitive to its process parameters and initial microstructure. It has a very narrow range of process parameters. Therefore, to identify favorable hot working conditions, hot compression tests in the -1temperature range of 700 - 1000°C and strain rate range of 0.1 - 10…
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…
Shell structures are broadly employed in many engineering applications due to their efficiency in bearing with external loads, a high degree of resistance, remarkable stiffness and a high strength-to-weight ratio. These peculiar features are given by the doubly-curvature that defines their reference surface. Recently,…
X-ray fluorescence computed tomography (XRF CT) is a new research field at the moment compatible with in vivo small animal research. In this thesis molybdenum based nanoparticles (NPs)/QDs were syn ...