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Wyświetlanie 1-4 z 4
Tytuł:
On State-Synchronized Automata Systems
Autorzy:
Meduna, Alexander
Kučera, Jiřĭ
Powiązania:
https://bibliotekanauki.pl/articles/1373671.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
pushdown automata
determinism
recursively enumerable languages
state-synchronized automata systems
automata systems
Opis:
In this paper, we introduce a new kind of automata systems, called state-synchronized automata systems of degree $n$. In general, they consists of $n$ pushdown automata, referred to as their components. These systems can perform a computation step provided that the concatenation of the current states of all their components belongs to a prescribed control language. As its main result, the paper demonstrates that these systems characterize the family of recursively enumerable languages. In fact, this characterization is demostrated in both deterministic and nondeterministic versions of these systems. Restricting their components, these systems provides less computational power.
Źródło:
Schedae Informaticae; 2015, 24; 221-237
0860-0295
2083-8476
Pojawia się w:
Schedae Informaticae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Role of wastewater treatment plants in pollution reduction – evaluated by Grey Water Footprint indicator
Autorzy:
Stejskalová, Lada
Ansorge, Libor
Kučera, Jiří
Čejka, Elžbieta
Powiązania:
https://bibliotekanauki.pl/articles/35546830.pdf
Data publikacji:
2022
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
grey water footprint
Odra river basin
pollution
wastewater treatment plant
water footprint assessment
Opis:
The study assesses the pollution discharged from 251 wastewater treatment plants (WWTPs) throughout the Odra river basin in the Czech Republic. The development of pollution production over a period of 15 years (2004–2018) together with a number of WWTPs in the Odra river basin were analyzed. The Grey Water Footprint (GWF) of discharged pollution was determined both in terms of individual size categories of WWTPs and in terms of the parameter that most affects the level of pollution. The share of the small WWTPs size categories (up to 2,000 PE) on the total GWF value of discharged pollution is only 8%, although these are the most numerous. The share of the WWTPs of the size category > 10,000 PE on the total GWF value of discharged pollution is 82%. Total phosphorus (at large WWTPs) and ammonium nitrogen (at small WWTPs) were identified as the key pollutants that most determine the value of the Grey water footprint of discharged pollution.
Źródło:
Scientific Review Engineering and Environmental Sciences; 2022, 31, 1; 26-36
1732-9353
Pojawia się w:
Scientific Review Engineering and Environmental Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Detonation Parameters of PlSEM Plastic Explosive
Autorzy:
Cardoso, Aline Anastacio
Selesovsky, Jakub
Künzel, Martin
Kucera, Jindrich
Pachman, Jiri
Powiązania:
https://bibliotekanauki.pl/articles/358518.pdf
Data publikacji:
2019
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Tematy:
Detonation velocity
PlSEM
plastic explosive
detonation pressure
cylinder test
Opis:
PlSEM is a plastic explosive based on RDX, PETN and a non-explosive binder, and is used in linear shaped charges for demolition purposes. Its experimentally obtained detonation parameters are presented in the present paper. The detonation velocity was measured for cylindrical charges of various diameters, with and without confinement. The detonation pressure and particle velocity were determined using an impedance window matching technique, and cylinder tests were used to obtain the parameters of the JWL equation of state of the detonation products. Detonation velocities from 7.75 to 8.05 km·s–1 were obtained for unconfined charges with diameters from 4 to 8 mm, and from 8.15 to 8.24 km·s–1 for charges with 25 mm diameter. The experimentally determined detonation pressure was found to be 24.6 GPa.
Źródło:
Central European Journal of Energetic Materials; 2019, 16, 4; 487-503
1733-7178
Pojawia się w:
Central European Journal of Energetic Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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