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Description
| - Tato práce se zabývá modelováním růstu a konečné struktury sférolitů v tenké polymerní vrstvě pomocí planárních teselací. Za tímto účelem byl polypropylenový film zafixován mezi dvě sklíčka, izotermálně krystalizován a zároveň pozorován mikroskopem. Celá krystalizace byla snímána pomocí kamery. Fotografie růstu i konečné struktury byly porovnány s modelem. Bylo zjištěno, že nehomogenní Johnson-Mehl teselace reprezentují nejvhodnější model sférolitické struktury v tenké polymerní vrstvě. Nicméně, konečná struktura sférolitů může být s úspěchem modelována jednoduššími teselacemi, tj. Poisson-Voronoi teselací a homogenní Johnson-Mehl teselací. (cs)
- In this work, the modelling of growth and final structure of spherulites in thin polymer layer using planar tessellations is introduced. For these purposes, polypropylene film was fixed between two slides and isothermal-crystallized in a hot-stage microscope. The whole crystallization was scanned using camera. Images of both growing and final spherulitic structures were compared with the growing models of planar tessellations. It was found that the non-homogeneous Johnson-Mehl tessellation represents the most reliable model of the spherulitic structure in thin polymer layer. However, the final structure of spherulites can be sufficiently modelled by simpler tessellations, i.e. Poisson-Voronoi tessellation and homogeneous Johnson-Mehl tessellation.
- In this work, the modelling of growth and final structure of spherulites in thin polymer layer using planar tessellations is introduced. For these purposes, polypropylene film was fixed between two slides and isothermal-crystallized in a hot-stage microscope. The whole crystallization was scanned using camera. Images of both growing and final spherulitic structures were compared with the growing models of planar tessellations. It was found that the non-homogeneous Johnson-Mehl tessellation represents the most reliable model of the spherulitic structure in thin polymer layer. However, the final structure of spherulites can be sufficiently modelled by simpler tessellations, i.e. Poisson-Voronoi tessellation and homogeneous Johnson-Mehl tessellation. (en)
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Title
| - Models of spherulite growth and structure based upon tessellations
- Modely sférolitického růstu a struktury založené na teselacích (cs)
- Models of spherulite growth and structure based upon tessellations (en)
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skos:prefLabel
| - Models of spherulite growth and structure based upon tessellations
- Modely sférolitického růstu a struktury založené na teselacích (cs)
- Models of spherulite growth and structure based upon tessellations (en)
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skos:notation
| - RIV/70883521:28110/06:63504612!RIV07-MSM-28110___
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http://linked.open.../vavai/riv/strany
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/70883521:28110/06:63504612
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - tessellation; spherulite; model (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/mistoVydani
| - Barcelona - Lloret de Mar, Spain
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http://linked.open...i/riv/nazevZdroje
| - 10. International Research/Expert Conference TMT 2006
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...UplatneniVysledku
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http://linked.open...iv/tvurceVysledku
| - Ponížil, Petr
- Čermák, Roman
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http://linked.open...n/vavai/riv/zamer
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number of pages
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http://purl.org/ne...btex#hasPublisher
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https://schema.org/isbn
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http://localhost/t...ganizacniJednotka
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