Počet nalezených dokumentů: 407
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Speciální betony
Černý, Zbyněk
2017 - český
Předmětem daného výzkumu byly speciální betony pro obalové soubory.\n The subject of the research was special concrete for packaging files. Klíčová slova: inorganic materials; special concretes Plné texty jsou dostupné na jednotlivých ústavech Akademie věd ČR.
Speciální betony

Předmětem daného výzkumu byly speciální betony pro obalové soubory.\n


The subject of the research was special concrete for packaging files.

Černý, Zbyněk
Ústav anorganické chemie, 2017

Nové anorganické materiály stínící ionizující záření II
Černý, Zbyněk
2017 - český
Laboratorní a pilotní technologie nových anorganických nehořlavých a bezpečných materiálů s vysokými obsahy moderátorů neutronů pro stínění neutronového záření.\n Laboratory and pilot technologies of new, inorganic, non-flammable and safe materials with high content of moderators for neutron radiation shielding.\n Klíčová slova: inorganic materials; absorbents and moderators of neutrons; ionizing radiation Plné texty jsou dostupné na jednotlivých ústavech Akademie věd ČR.
Nové anorganické materiály stínící ionizující záření II

Laboratorní a pilotní technologie nových anorganických nehořlavých a bezpečných materiálů s vysokými obsahy moderátorů neutronů pro stínění neutronového záření.\n...

Černý, Zbyněk
Ústav anorganické chemie, 2017

The deposition of germanium nanoparticles on hydrogenated amorphous silicon.
Stuchlík, J.; Volodin, V.A.; Shklyaev, A.A.; Stuchlikova, T.H.; Ledinsky, M.; Čermák, J.; Kupčík, Jaroslav; Fajgar, R.; Mortet, V.; More-Chevalier, J.; Ashcheulov, P.; Purkrt, A.; Remeš, Z.
2017 - anglický
We reveal the mechanism of Ge nanoparticles (NPs) formation on the surface of the hydrogenated amorphous silicon (a-Si:H) deposited by Plasma Enhanced Chemical Vapor Deposition (PECVD) on ITO and a on boron doped nanocrystalline diamond (BDD). The coating of Ge NPs on a-Si:H was performed by molecular beam epitaxy (MBE) at temperatures up to 450 degrees C. The Ge NPs were characterized by Raman spectroscopy, scanning electron microscopy (SEM) and high resolution transmission electron microscopy (HRTEM). The nanocrystalline Ge particles are conglomerates of nanocrystals of size 10-15 nm and quantum dots (QDs) with size below 2 nm embedded in amorphous Ge phase. After coating with Ge NPs the a-Si:H thin films show better adhesion on BDD substrates then on ITO substrates. Klíčová slova: Ge nanoparticles; a-Si:H; PECVD; MBE Plné texty jsou dostupné na jednotlivých ústavech Akademie věd ČR.
The deposition of germanium nanoparticles on hydrogenated amorphous silicon.

We reveal the mechanism of Ge nanoparticles (NPs) formation on the surface of the hydrogenated amorphous silicon (a-Si:H) deposited by Plasma Enhanced Chemical Vapor Deposition (PECVD) on ITO and a on ...

Stuchlík, J.; Volodin, V.A.; Shklyaev, A.A.; Stuchlikova, T.H.; Ledinsky, M.; Čermák, J.; Kupčík, Jaroslav; Fajgar, R.; Mortet, V.; More-Chevalier, J.; Ashcheulov, P.; Purkrt, A.; Remeš, Z.
Ústav anorganické chemie, 2017

The origin issue of the head of John the Baptist from Tajov
Hradilová, J.; Bezúchová, E.; Hradil, David; Šídová, K.
2017 - anglický
The significant work of art, the Head of John the Baptist from Tajov, from the Museum of Central Slovakia in Banska Bystrica, which is probably part of the works of Niclaus Gerhaert von Leiden (1420/30 - 1475), was subject to conservation as well as detailed material analysis - first using non-invasive methods (radiography computer tomography, X-ray fluorescence), then laboratory analysis of taken samples (elemental and phase analysis, analysis of organic binders, dendrochronology, radiocarbon dating). The specific painting technique was described. Gilding of the head was performed without any ground only on brown preparatory layer for oil gilding (mixtion), however, the incarnates with an oily binder did contain a light dolomitic ground layer. The blood drops painting employed madder lake including sheep wool shearlings. The work consists of two parts - the head and the bowl, which was understood not to be original. Both parts are made from poplar wood. The results of the dating indicate that the head was created in the second half of the 15th century. The bowl could have been added later, but no later than the beginning of the 16th century. Its inclusion may have happened (albeit it is less probable) in the 17th century, but any period of time after that can be ruled out. The original colouring of the bowl was different the earth pigments of specific composition used in the ground layer imitated terracotta - a clay bowl. Based on the location of the existing hanging points the head was probably on display occasionally in a vertical position with a slight bottom view of 45 degrees. Klíčová slova: Niclaus Gerhaert von Leiden; non-invasive analysis; painting technique; radiocarbon dating Plné texty jsou dostupné na jednotlivých ústavech Akademie věd ČR.
The origin issue of the head of John the Baptist from Tajov

The significant work of art, the Head of John the Baptist from Tajov, from the Museum of Central Slovakia in Banska Bystrica, which is probably part of the works of Niclaus Gerhaert von Leiden ...

Hradilová, J.; Bezúchová, E.; Hradil, David; Šídová, K.
Ústav anorganické chemie, 2017

Rebecca and Eliezer at the well a mysterious oil painting from the Historical Museum of the Slovak National Museum at the Bratislava Castle
Hradilová, J.; Kližanová, H.; Bezák, M.; Holcová, K.; Bezdička, Petr
2017 - anglický
Light microscopy, scanning electron microscopy and microanalysis, X-ray powder micro-diffraction, infrared micro-spectrometry as well as palaeontological analysis have been applied in order to solve the question of provenance of the oil-on-canvas painting Rebecca and Eliezer at the well. In addition to the finding of pigments important for the dating of the painting, as, e.g. Naples yellow (Pb2Sb2O7), or smalt, fossil nannoplankton was described in the carbonate-rich clay ground. It indicates the use of marine sediments of Eocene to Oligocene age. According to mineralogical and paleontological data this ground may be included among grounds used in Italy, particularly in the 17th century. The studied painting is today greatly altered due to extensive reworkings. Prussian blue was used to overpaint faded ultramarine and degraded smalt, which is visibly affected by saponification processes. Klíčová slova: Carlo Maratta/Maratti; materials research; painting technique; micropaleontology; clay-based grounds; saponification Plné texty jsou dostupné na jednotlivých ústavech Akademie věd ČR.
Rebecca and Eliezer at the well a mysterious oil painting from the Historical Museum of the Slovak National Museum at the Bratislava Castle

Light microscopy, scanning electron microscopy and microanalysis, X-ray powder micro-diffraction, infrared micro-spectrometry as well as palaeontological analysis have been applied in order to solve ...

Hradilová, J.; Kližanová, H.; Bezák, M.; Holcová, K.; Bezdička, Petr
Ústav anorganické chemie, 2017

New inorganic matrices for pultrusion technology II
Černý, Zbyněk
2016 - anglický
Development of inorganic matrix enabling rapid continuous preparation of thermally and chemically stable and fire resistant materials with controlled properties for nuclear industry. Klíčová slova: inorganic matrices Plné texty jsou dostupné na jednotlivých ústavech Akademie věd ČR.
New inorganic matrices for pultrusion technology II

Development of inorganic matrix enabling rapid continuous preparation of thermally and chemically stable and fire resistant materials with controlled properties for nuclear industry.

Černý, Zbyněk
Ústav anorganické chemie, 2016

Nové anorganické materiály stínící ionizující záření
Černý, Zbyněk
2016 - český
Laboratorní a pilotní technologie nových anorganických nehořlavých a bezpečných materiálů s vysokými obsahy absorbátorů a moderátorů neutronů pro stínění ionizujícího záření. Laboratory and pilot technology of new inorganic safety and fireproof materials with high content of absorbents and moderators of neutrons for shielding of ionizing radiation. Klíčová slova: inorganic materials; absorbents and moderators of neutrons; ionizing radiation Plné texty jsou dostupné na jednotlivých ústavech Akademie věd ČR.
Nové anorganické materiály stínící ionizující záření

Laboratorní a pilotní technologie nových anorganických nehořlavých a bezpečných materiálů s vysokými obsahy absorbátorů a moderátorů neutronů pro stínění ionizujícího záření....

Černý, Zbyněk
Ústav anorganické chemie, 2016

12th International Conference Solid State Chemistry 2016 : Book of Abstracts
Lančok, Adriana
2016 - anglický
This book contains the programme and the abstracts of the conference. The conference programme covers presentations from scientists and users of scientific information working in similar areas, to estabilish platforms for collaborative reseach project initiatives. Klíčová slova: solid state chemistry Plné texty jsou dostupné na jednotlivých ústavech Akademie věd ČR.
12th International Conference Solid State Chemistry 2016 : Book of Abstracts

This book contains the programme and the abstracts of the conference. The conference programme covers presentations from scientists and users of scientific information working in similar areas, to ...

Lančok, Adriana
Ústav anorganické chemie, 2016

Generation of NPS for Exposure Experiments from Copper Acetylacetone.
Moravec, P.; Schwarz, J.; Vodička, P.; Kupčík, Jaroslav; Švehla, J.
2016 - anglický
Particles containing copper are emitted from smelters, iron foundries, power stations, and municipal incinerators (WHO, 1998) and also from brake linings during breaking, Kukutschová et al. (2011). Nanoparticles (NPs) of copper are ingredients in polymers, inks, and bioactive coatings inhibiting the growth of microorganisms, Cioffi at al. (2005), and CuO NPs has been used in antimicrobial textiles, Gabbay and Borkow (2006), therefore they can be easily inhaled. Even though CuO NPs were found highly toxic, Karlsson et al. (2008), in vivo studies of their toxicity are still rather rare. In this work we tested a method of long lasting nanoparticle generation from copper acetylacetonate (CuAA) for use in follow up exposure experiments with laboratory animals. The exposure chamber for inhalation experiments was constructed in the Institute of Analytical Chemistry AS CR (Večeřa et al., 2011) and some methods of NPs generation for these experiments were already tested in our laboratory (Moravec et al., 2015, Moravec et al., 2016). Klíčová slova: copper acetylacetonate; hot wall reactor; nanoparticle generation Dokument je dostupný na externích webových stránkách.
Generation of NPS for Exposure Experiments from Copper Acetylacetone.

Particles containing copper are emitted from smelters, iron foundries, power stations, and municipal incinerators (WHO, 1998) and also from brake linings during breaking, Kukutschová et al. (2011). ...

Moravec, P.; Schwarz, J.; Vodička, P.; Kupčík, Jaroslav; Švehla, J.
Ústav anorganické chemie, 2016

Ecological Applications in Modern Chemistry 2015 : Book of abstracts
Plocek, Jiří
2015 - anglický
Ecological Applications in Modern Chemistry 2015 is 2nd year of the EAMCH conference. The scope of this conference is focused on all renewable energy sources and environmental aspects of modern chemistry and technologies. Typically it includes: materials for hydrogen fuel cells, ionic conductors, piezoelectric and magnetic materials, materials for solar cells. The lectures deals with practical applications of these technologies, especially with relation with environment (water, atmosphere, etc.) are welcomed too. Klíčová slova: ecology; chemistry Plné texty jsou dostupné na jednotlivých ústavech Akademie věd ČR.
Ecological Applications in Modern Chemistry 2015 : Book of abstracts

Ecological Applications in Modern Chemistry 2015 is 2nd year of the EAMCH conference. The scope of this conference is focused on all renewable energy sources and environmental aspects of modern ...

Plocek, Jiří
Ústav anorganické chemie, 2015

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