Materials Literature
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The occurrence of the green alga Cladophora and other macrophytes in the Brno reservoir was confirmed. The distribution of Cladophora stands was assessed as not dramatic, despite of the temporary occurrence of a mass of surface-floating filaments. This increase in buoyancy of the Cladophora colonies was caused by exce…
Objective of this work was to optimize the SFE from eucalyptus (Eucalyptus grandis L.) leaves, which find application both in medicine and as botanical insecticide. In particular, terpenes and terpenoids belong to active components of eucalyptus essential oil.
Gasification of municipal solid waste was performed in the reactor equipped with a DC plasma torch (set up to 400 A and 290 V). The plasma torch involves the combination of a gas stabilized cathode part and a water stabilized arc part. Argon plasma is formed in the cathode part and then enters the part, where the arc…
The main aim of this paper is an investigation of the crack behavior in the ceramics laminates. Especially, the problem of the estimation of the stress singularity exponent in such a material using different approaches is closely described. Since analytical approach is a suitable tool for two dimensional problems, int…
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The most commonly used magnesium alloy AZ91 is widely prevalent as a structural material, but its use is limited at higher temperatures and high humidity. Plasma spraying technology allows to prepared protective metallic and non-metallic coatings on magnesium and its alloys. The alloy AZ91 was therefore plasma sprayed…
The YAG:Ce single crystals were annealed in oxidation atmosphere at different temperatures. The optical absorption and cathodoluminescence spectra and decay characteristics of the crystals were examined. The results proved that higher temperatures of annealing decrease the concentration of oxygen vacancies more effici…
Tokamak GOLEM is one of the oldest tokamaks in the world, currently located at the Faculty of Nuclear Sciences and Physical Engineering, CTU in Prague. It serves as an educational device and all experiments and development are done by students themselves under professional\nsupervision. This contribution covers the ma…
International Conference on Production Research - Regional Conference Africa, Europe and the Middle East (ICPR-AEM) / 3rd International Conference on Quality and Innovation in Engineering and Management (QIEM) -- JUL 01-05, 2014 -- Cluj Napoca, ROMANIA
In engineering and manufacturing organic electronic devices, encapsulation layers are mandatory due to the sensitivity of active layers and low work function cathodes to moisture. The quality of the barrier is generally validated by means of water vapor transmission rate (WVTR, gm day ) measurements as well as in term…
In the years 2009–2010, activities of the conservation programme “The conservation of the Long-stalked Pondweed (Potamogeton praelongus) in the Czech Republic” were conducted as a component part of the programme “Action Plans for Endangered Species” and were supported by the EEA/Norwegian Financial Mechanisms and the…
We have synthesized a probe consisting of CdTe QDs conjugated with oligonucleotide to be used as a donor. Conjugation reaction between carboxylated QDs and aminated oligonucleotides has been performed via zero-length cross-linkers. Sample consisting of clinically-relevant PCR amplicons labelled with ROX (6-carboxyrhod…
Detail záznamu - Dip TIPS as a novel process for preparation of anisotropic channeled porous polymer scaffolds for guided tissue engineering applications - Detailní zobrazení záznamu - Knihovna Akademie věd České republiky
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Based on ab initio calculations, a new type of ferroelectric phase transition has been recently proposed in Ca3Mn2O7. The ferroelectricity in this materiál should be induced by freezing of two nonpolar phonons from Brillouin zone boundary.
© 2014 National Institute of Optoelectronics. All Rights reserved.Current-voltage (I –V) characteristics of Al/MDMO-PPV/p-Si (111) Schottky barrier diodes (SBDs) have been investigated at room temperature. Here, (MDMO-PPV) poly-[2-(3,7-dimethyloctyloxy)-5-methyloxy]-para-phenylene-vinylene has been used as interfacial…
We construct a 3D model of the top layer of the nanotextile and then replicate it several times in order to obtain a 3D structure of the whole nanotextile. Such model can be possibly successfully used to model the diffusion in the direction perpendicular to the plane of the textile. However, phenomena which include ex…
The report describes hydriding of Zr1Nb alloy samples.
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