ION: Konceptuell utveckling av elcykel
This project was conducted in collaboration with Emtes Autotech and Berge consulting with the goal to develop and design an electric pedelec for general and off-road use. The idea behind the pedele ...
Materials Literature
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Spectroscopic Analysis and Computational Investigation (FMO, MESP and NLO) of 1,2-Dimethylnaphthalene
1,2-Dimethylnaphthalene was purchased from Sigma-Aldrich Chemicals USA, with a spectroscopic grade (98 %) which was used as such without any further purification. Using Bruker IFS-66V Fourier transform spectrometer, at room
CCDC 971932: Experimental Crystal Structure Determination
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…
Numerical and experimental analysis of the thermal behavior of dry-type transformer supplying nonlinear loads
Papers presented at the 13th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, Portoroz, Slovenia on 17-19 July 2017 .
Visualization of Structures and Li-Ion Conduction Pathways in the Li2S-P2S5 System Using Neutron Scattering
Designing the next generation of lithium ion batteries （LIBs） requires fundamental information that surprisingly often is still unknown-for example, details of how ions actually move through a working device. Li7P3S11 crystal and （Li2S）x（P2S5）100－x glasses have received a great deal of attention as a solid electrolyte…
CCDC 1558243: Experimental Crystal Structure Determination
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…
Anisotropic Permittivities and Transmittance of Double Layer Graphene
Graphene is a two dimensional material consisted of honeycomb carbon lattices. Comparing to pure graphene, bilayer graphene is taking special interest due to the interlayer interactions. The interlayer coupling has the influences on the electronic and optical properties, which has crucial characteristics distinct from…
Fabrication of periodic bowtie structure on vanadium dioxide by nanosphere lithography for smart window applications
Nanophotonics has been extensively researched in the past decades owing to the rapid development of the precision nanofabrication techniques, such as focused-ion beam milling and electron-beam lithography. However, it was limited by some disadvantages, such as high cost and low productivity. Therefore, a facile and ec…
Caracterização e disponibilidade de nutrientes das frações minerais mesocrática e leucocrática de granitóides da região de monte bonito, Pelotas, RS.
Made available in DSpace on 2017-11-02T09:08:39Z (GMT). No. of bitstreams: 1\nCarlosAugusto5Livrorochagem.pdf: 1436297 bytes, checksum: 53a24cf194f7930e5a7d852fe56c19dd (MD5)\n Previous issue date: 2017-10-31
О генерации второй гармоники в неоднородно намагниченных средах
Теоретически исследованы новые эффекты генерации оптического сигнала на удвоенной частоте в магнитных средах, распределение намагниченности в которых пространственно неоднородно. Используется подход, основанный на гидродинамическом приближении для описания движения электронов проводимости в поле электромагнитной волны…
Growth and Characterization of M-Plane GaN Thin Films Grown on γ-LiAlO2 (100) Substrates
M -plane GaN thin films were grown on LiAlO2 substrates under different N/Ga flux ratios by plasma-assisted molecular beam epitaxy. An anisotropic growth of M -plane GaN was demonstrated against the N/Ga flux ratio. As the N/Ga flux ratio decreased by increasing Ga flux, the GaN surface trended to a flat morphology wi…
Characterization of 3-Ester and 3-Carbamate Derivatives of N-Acetyl-D-Glucosamine and Their Use in Controlled Drug Delivery
Low molecular weight gelators (LMWGs) are a class of compounds which reversibly form a network that traps solvents to form gels. Gelation by LMWGs is driven solely by non-covalent interactions such as hydrogen bonding, π - π stacking, and hydrophobic interactions. LMWGs can be designed such that the gel-sol and sol-ge…
Экспериментальное исследование распределений плотности тока технологического электронного пучка
Предложена экспериментальная методика получения распределений плотности тока непрерывно действующих электронных пучков с энергией электронов 60 keV. Приведены результаты измерений для различных поперечных сечений пучка мощностью 2.1 kW с плотностью тока порядка 1·105 A/m2. DOI: 10.21883/PJTF.2017.21.45156.16916
The influence of cosmic radiation on the properties of different polymers
During our research we investigated the influence of cosmic radiation on the properties of different polymers. Polypropylene, polyamide 6.6 and polycarbonate were used as raw materials. Test pieces were injection molded. The test pieces were “flying” at different heights (on Earth, at 5500 m, at 12000 m). Thermal prop…
Biomimetic engineering of colloidal nanoarchitectures with "in vitro" and "in vivo" functionality
Biomimetic engineering opens unprecedented possibilities of combining biomolecules (i.e. proteins, DNA, polysaccharides) with synthetic materials (i.e. synthetic polymers). This combination results in unique hybrid systems with functionalities that mimic processes in living organisms. While the translational value of…
Effect of non-homogeneity on orthotropic creep stresses in a pressurized circular cylinder
The effect of anisotropy on the creep stresses of a functionally graded infinite hollow cylinder with inhomogeneity in terms of compressibility varying according to power law is investigated. Transition theory given by Seth for finite deformation is used for analysis of creep stresses which overcome the use of creep s…
Alternative fabrication techniques for organic electronic devices
First the feasibility of spraycoated transparent conductive organic electrodes was investigated and a lithography process using the same material system was developed and used to fabricate fully organic electrolyte gated transistors. Spraycoating of transparent conductive organic electrodes has later been used to fabr…
CCDC 1556145: Experimental Crystal Structure Determination
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…
Possibility of Low-Temperature High-Strain-Rate Superplasticity in Fine-Grained Ceramic Materials
For attaining high-strain-rate superplasticity (HSRS) in ceramic materials, prerequisites are described on the basis of existing knowledge about high-temperature plastic deformation and intergranular cavitation mechanisms. The knowledge suggests that a combination of grain-size refinement to 100-200 nm or smaller and…
Photocatalysis of layered MoS2 prepared by sonication in a mixed-solvent
Molybdenum disulfide (MoS2) composed of layer structure attracts much attention as a semiconductor material, whose band gap energy is changed from 1.29 eV as an indirect transition to 1.85 eV as a direct one, by changing the number of layers. Here, we show the exfoliation of MoS2 using sonication in a mixed solvent (H…