Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Pawel Jóźwik"'
Autor:
Pawel Jóźwik, Agata Baran, Tomasz Płociński, Daniel Dziedzic, Jakub Nawała, Malwina Liszewska, Dariusz Zasada, Zbigniew Bojar
Publikováno v:
Materials, Vol 14, Iss 20, p 6086 (2021)
This article presents the results of investigations of the morphology and structure of carbon deposit formed as a result of ethanol decomposition at 500 °C, 600 °C, and 700 °C without water vapour and with water vapour (0.35 and 1.1% by volume). s
Externí odkaz:
https://doaj.org/article/b385a0289a2048b088e982565de3cf7c
Autor:
Anna Łapińska, Natalia Grochowska, Kamil Cieplak, Paweł Płatek, Paul Wood, Piotr Deuszkiewicz, Anna Dużyńska, Bogna Sztorch, Julia Głowcka, Robert Przekop, Paweł Jóźwik, Tomasz Gołofit, Andrzej Plichta
Publikováno v:
Materials & Design, Vol 245, Iss , Pp 113241- (2024)
Fused Filament Fabrication (FFF) is one of the most emerging techniques nowadays. Affordable, easy to use, economical, for a broad audience − from specialists to home users. These are only several of its advantages. A disadvantage is the limited nu
Externí odkaz:
https://doaj.org/article/3c5b662891124ed0bfa6faebd0ab72d8
Publikováno v:
Materials, Vol 16, Iss 17, p 5774 (2023)
We investigate the possibility of modification of SnS2 powder through sonochemical synthesis with the addition of an organic ligand. For that purpose, two organic dyes are used, Phenol Red and Anthraquinone Violet. All obtained powders are characteri
Externí odkaz:
https://doaj.org/article/b946050e923a4fcfabf9501ad795ac1d
Publikováno v:
Crystals, Vol 13, Iss 2, p 331 (2023)
The aim of this study was to investigate the crystal structure and bandgap of the emerging material Cu4TiSe4 using both theoretical and experimental methods. We synthesized the title compound via solid-state synthesis from elements. The occurrence of
Externí odkaz:
https://doaj.org/article/d122baf801bc40968de382a6f019154e
Autor:
Grzegorz Matyszczak, Paweł Jóźwik, Emilia Polesiak, Małgorzata Sobieska, Krzysztof Krawczyk, Cezariusz Jastrzębski, Tomasz Płociński
Publikováno v:
Ultrasonics Sonochemistry, Vol 75, Iss , Pp 105594- (2021)
Sonochemical production of tin(II) and tin(IV) sulfides is investigated. Different conditions of syntheses are examined: used solvent (ethanol or ethylenediamine), source of tin (SnCl2 or SnCl4), the molar ratio of thioacetamide to the tin source, an
Externí odkaz:
https://doaj.org/article/939f972f24e44954a936cacf51974add
Publikováno v:
Energies, Vol 15, Iss 9, p 3050 (2022)
The present work describes highly efficient hydrogen production from ethanol in a plasma-catalytic reactor depending on the discharge power and catalyst bed temperature. Hydrogen production increased as the power increased from 15 to 25 W. A further
Externí odkaz:
https://doaj.org/article/ff72f689e1d44a53a1e5a43bab6c658c
Publikováno v:
Catalysts, Vol 12, Iss 3, p 278 (2022)
In this work, a metal cobalt catalyst was synthesized, and its activity in the hydrogen production process was tested. The substrates were water and ethanol. Activity tests were conducted at a temperature range of 350–600 °C, water to ethanol mola
Externí odkaz:
https://doaj.org/article/2cbdeabb62b24ff297fb3f594f4b99f3
Autor:
Kamil Majchrowicz, Bogusława Adamczyk-Cieślak, Witold Chromiński, Paweł Jóźwik, Zbigniew Pakieła
Publikováno v:
Materials, Vol 15, Iss 3, p 785 (2022)
In this work, the comparison of microstructure, texture, and mechanical properties of the newly developed TZ61 (Mg-6Sn-1Zn) alloy with the commercially available AZ61 (Mg-6Al-1Zn) has been presented. Both analyzed Mg alloys were processed by conventi
Externí odkaz:
https://doaj.org/article/67aa55c89cd74a43951fdc33f6883e7e
Autor:
Joanna Woroszył-Wojno, Michał Młotek, Michalina Perron, Paweł Jóźwik, Bogdan Ulejczyk, Krzysztof Krawczyk
Publikováno v:
Catalysts, Vol 11, Iss 7, p 860 (2021)
Biomass can be considered a renewable energy source. It undergoes a gasification process to obtain gaseous fuel, which converts it into combustible gaseous products such as hydrogen, carbon monoxide, and methane. The process also generates undesirabl
Externí odkaz:
https://doaj.org/article/0caa56a50d0b478589a4acd590b4ef61
Publikováno v:
Catalysts, Vol 11, Iss 7, p 864 (2021)
In the present work the process of hydrogen production was conducted in the plasma-catalytic reactor, the substrates were first treated with plasma and then introduced into the catalyst bed. Plasma was produced by a spark discharge. The discharge pow
Externí odkaz:
https://doaj.org/article/887ac762ac2a440eb166d8a89e6420da