National Repository of Grey Literature 42 records found  beginprevious40 - 42  jump to record: Search took 0.01 seconds. 
Nanotechnology utilization in nuclear industry and research
Skalička, Jiří ; Štefánik, Milan (referee) ; Katovský, Karel (advisor)
This thesis introduces reader to current knowledge of nanomaterials and their usage. It summarises production methods and usage of different materials in nuclear power plants, nuclear research and nuclear medicine. Theoretical part of this thesis is dedicated to possible usage of carbon nanotubes for neutron beam collimation and guides. In experimental part different materials were tested in measuring box connected to horizontal radial channel of VR-1 nuclear reactor and their influence on neutron flux was measured. Tested samples were non-oriented carbon nanotubes, carbon nanofibers, alumina nanowires, oriented carbon nanotubes with several angles of rotation and these samples were compared with results of graphite.
Hygiene Problems Associated with Nanoparticles
LHOTSKÁ, Veronika
Nanotechnology is a rapidly developing branch and its popularity quickly ratchets up. Currently, nanomaterials form parts of a range of products of daily consumption. They are put into foodstuffs, cosmetics, and are used in medical science and technical branches. Nanomaterials are being considerably popularized which has helped them to penetrate into the lay public. The information from media are mostly given in a non-professional way and misrepresented, and taken from the context, they have sensationalist and advertising character. My thesis summarizes the basic finding about nanomaterials, their usage in practice and their effect on man´s health. Two hypotheses were fixed: The usage of nanomaterials is medially popularized but the non-professional public is not informed correctly about it. The lay public is not aware of possible negative effects of nanomaterials on man´s health.
Aplikace Filtry
Šeflová, Petra
Fulltext: content.csg - Download fulltextPDF
Plný tet: v1056-10 - Download fulltextPDF

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