Zobrazeno 1 - 10
of 102
pro vyhledávání: '"Mierzwiński Dariusz"'
Publikováno v:
MATEC Web of Conferences, Vol 390, p 04012 (2024)
The causes of operational damage to the piston of a single-cylinder two-stroke internal combustion engine (ICE) of a scooter, made of a piston aluminum-silicon alloy by mold casting, were investigated. It was found that the AK21M2.5H2.5 type alloy ha
Externí odkaz:
https://doaj.org/article/f19845adb5fc4cee8d3afa5ef731c326
Publikováno v:
MATEC Web of Conferences, Vol 322, p 01008 (2020)
The aim of this article is to analyse the changes of apparent activation energy (Ea) of alkali-activated materials (AAM) at temperatures up to 100°C. Apparent activation energy (Ea) refers to the minimum amount of energy is required for the occurren
Externí odkaz:
https://doaj.org/article/2a74717e642e481d98bef306c6a5680c
Autor:
Korniejenko Kinga, Mierzwiński Dariusz, Szabó Roland, Papné Halyag Nóra, Louda Petr, Thorhallsson Eythor Rafn, Mucsi Gábor
Publikováno v:
MATEC Web of Conferences, Vol 322, p 01004 (2020)
Efflorescence is one of the limitations of the widespread use of geopolymers. This problem is caused by excess unreacted sodium oxide remaining inside materials. Unreacted sodium oxide creates white efflorescence on the surface of the produced materi
Externí odkaz:
https://doaj.org/article/42f7b8dded8b47bf82900917988a85b6
Autor:
Uthayakumar Marimuthu, Balamurugan Ponnambalam, Korniejenko Kinga, Gądek Szymon, Mierzwiński Dariusz
Publikováno v:
MATEC Web of Conferences, Vol 322, p 01020 (2020)
In the present study, the abrasive water jet machining (AWJM) of geopolymers prepared from fly ash, metakaolin and sand is discussed. The samples were prepared from sodium promoter, fly ash / metakaolin and sand. The process of activation was made us
Externí odkaz:
https://doaj.org/article/d40bbc146b3f4e23af87e52a38d6f159
Publikováno v:
MATEC Web of Conferences, Vol 247, p 00031 (2018)
More than 200 firefighters and 40 fire engines were involved in battling the blaze of Grenfell Tower in June 2017. Despite the heroic efforts of fire brigades the more than 80 people died. In the expert opinion the reason such size of the tragedy wer
Externí odkaz:
https://doaj.org/article/ad56413149354fb09310c5aec8771a8c
Publikováno v:
MATEC Web of Conferences, Vol 247, p 00054 (2018)
Growing environmental awareness and importance of development of sustainable construction materials for decreasing environmental impact of construction industry are main motivators to research work on new, innovative materials’ solutions. The most
Externí odkaz:
https://doaj.org/article/2d7e9cda8b8141748ddc5dedf16a78b0
Autor:
Łach Michał, Grela Agnieszka, Bajda Tomasz, Mierzwiński Dariusz, Komar Norbert, Mikuła Janusz
Publikováno v:
E3S Web of Conferences, Vol 44, p 00097 (2018)
The limited resources of natural zeolites make it necessary to search for and use synthetic products. This paper presents a method of producing zeolite sorbents resulting from hydrothermal synthesis in an autoclave. The raw materials used in the synt
Externí odkaz:
https://doaj.org/article/facf4e8e94f94ae8bd0b63aff9c00c59
Publikováno v:
E3S Web of Conferences, Vol 44, p 00110 (2018)
This paper regards the possibility of using geopolymer matrix to immobilize heavy metals present in ash and slag from combustion of medical waste. In the related research one used the fly ash from coal combustion in one Polish CHP plant and the waste
Externí odkaz:
https://doaj.org/article/3be12bc44f234ad5869da92fc306d735
Publikováno v:
E3S Web of Conferences, Vol 17, p 00026 (2017)
Waste combustion is associated with the generation of post-processing solid products – waste such as slag and ash. One of the promising technologies in waste management and processing is the synthesis of zeolites and other materials exhibiting sorp
Externí odkaz:
https://doaj.org/article/029f3832d7684c39bd52f1a412d49f3c
Autor:
Brykov, Michail1 (AUTHOR) brykov@zp.edu.ua, Mierzwiński, Dariusz2 (AUTHOR) brykov@zp.edu.ua, Efremenko, Vasily3,4 (AUTHOR) ipetryshynets@saske.sk, Girzhon, Vasyl'1 (AUTHOR) shalomeev@zp.edu.ua, Shalomeev, Vadim1 (AUTHOR) klymovo@zp.edu.ua, Shyrokov, Oleksandr V.5 (AUTHOR) shyrokovav@gmail.com, Petryshynets, Ivan4 (AUTHOR), Klymov, Olexandr1 (AUTHOR) aek@zp.edu.ua, Kapustyan, Oleksii1 (AUTHOR)
Publikováno v:
Materials (1996-1944). Aug2024, Vol. 17 Issue 15, p3696. 17p.