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| Description
| - Pulsed-field gradient NMR (PFG NMR) was applied to study mol. diffusion in industrial fluid catalytic cracking (FCC) catalysts and in USY zeolite for a broad range of mol. displacements and temps. The results of this study were used to elucidate the relevance of mol. transport on various displacements for the rate of mol. exchange between catalyst particles and their surroundings. It turned out that this rate, which may det. the overall rate and selectivity of FCC process, is primarily related to the diffusion mode assocd. with displacements larger than the size of zeolite crystals located in the particles but smaller than the size of the particles. This conclusion was confirmed by comparative studies of the catalytic performance of different FCC catalysts.
- Pulsed-field gradient NMR (PFG NMR) was applied to study mol. diffusion in industrial fluid catalytic cracking (FCC) catalysts and in USY zeolite for a broad range of mol. displacements and temps. The results of this study were used to elucidate the relevance of mol. transport on various displacements for the rate of mol. exchange between catalyst particles and their surroundings. It turned out that this rate, which may det. the overall rate and selectivity of FCC process, is primarily related to the diffusion mode assocd. with displacements larger than the size of zeolite crystals located in the particles but smaller than the size of the particles. This conclusion was confirmed by comparative studies of the catalytic performance of different FCC catalysts. (en)
- PFG-NMR byla použita ke studiu molekulární difúze v katalyzátorech pro fluidní katalytické krakování (FCC) a v USY zeolitu v širokém rozsahu molekulárních vytěsnění a teplot. Výsledky této studie byly použity pro vysvětlení významu molekulárního transportu pro rychlost molekulární výměny mezi katalytickými částicemi a jejich okolím. Je zřejmé, že tato rychlost, která může určovat celkovou rychlost a selektivitu FCC procesu, je závislá především na difúzním režimu spojeném s vytěsněním větším než je velikost krystalů zeolitu, ale menší než velikost katalytické částice. Tento závěr byl potvrzen srovnávací studií katalytického chování různých FCC katalyzátorů. (cs)
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| Title
| - Pulsed-field gradient nuclear magnetic resonance study of transport properties of fluid catalytic cracking catalysts.
- PFG-NMR studie transportních vlastností katalyzátorů pro fluidní katalytické krakování. (cs)
- Pulsed-field gradient nuclear magnetic resonance study of transport properties of fluid catalytic cracking catalysts. (en)
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| skos:prefLabel
| - Pulsed-field gradient nuclear magnetic resonance study of transport properties of fluid catalytic cracking catalysts.
- PFG-NMR studie transportních vlastností katalyzátorů pro fluidní katalytické krakování. (cs)
- Pulsed-field gradient nuclear magnetic resonance study of transport properties of fluid catalytic cracking catalysts. (en)
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| skos:notation
| - RIV/60461373:22310/05:00013672!RIV08-MSM-22310___
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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...iv/cisloPeriodika
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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/60461373:22310/05:00013672
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - Pulsed-field gradient; Nuclear magnetic resonance; Fluid catalytic cracking catalyst (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
| - GB - Spojené království Velké Británie a Severního Irska
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - Magnetic Resonance Imaging
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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
| - Bernauer, Bohumil
- Jirglová, Hana
- Berger, C.
- Krystl, Vladislav
- Vasenkov, S.
- Hansen, E.
- Drescher, B.
- Fe elia, M.
- Glaeser, R.
- Kaerger, J.
- Kortunov, P.
- Kočířík, M.
- Mcelhiney, G.
- Papadopolous, G.
- Perez, M.
- Stoecker, M.
- Theodorou, D.
- Weikamp, J.
- Zikanová, A.
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| http://linked.open...n/vavai/riv/zamer
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| issn
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| number of pages
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| http://localhost/t...ganizacniJednotka
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