Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Perwitasari Perwitasari"'
The Influence of Aqua Regia Usage in the Leaching and Extraction Process of Silica from Coal Fly Ash
Publikováno v:
Equilibrium, Vol 8, Iss 1, Pp 63-69 (2024)
Waste from coal-burning power stations and other sectors that rely on coal as a source of energy is one of the environmental issues. Fly ash obtained from burning coal causes pollution in the surrounding environment. Subsequently, a great deal of stu
Externí odkaz:
https://doaj.org/article/5538482e753342dcaac3e433ec7face8
Autor:
Fauzan Irfandy, Husna Muizzati Shabrina, Indriana Lestari, Heni Anggorowati, Perwitasari Perwitasari
Publikováno v:
Equilibrium, Vol 7, Iss 2, Pp 175-182 (2023)
Abstract. Various industrial, agricultural, household, mining, smelting, and chemical industrial activities can generate waste containing heavy metals such as Fe(III). Fly ash has the potential as an effective adsorbent to capture heavy metals in was
Externí odkaz:
https://doaj.org/article/0b7e608177b3440c9758c7aae948d3cf
Publikováno v:
CHEESA, Vol 5, Iss 1, Pp 28-39 (2022)
One of the issues in urban areas such as DI Yogyakarta province is air pollution. The pollution level is high, as shown by the quality index value of about 85.25 in 2019. Vehicle emissions are the most significant source of this pollution in urban ar
Externí odkaz:
https://doaj.org/article/58d47c8935614da08f25d73511f61237
Publikováno v:
Journal of Health Technology Assessment in Midwifery, Vol 2, Iss 1, Pp 50-58 (2019)
Physiological and psychological changes in pregnancy have a considerable effect on mother’s wellbeing. Hence, in this period pregnant women are vulnerable to develop mental health difficulties due to hormonal alterations and other external factors.
Externí odkaz:
https://doaj.org/article/a89c738fec8e49f7bd3ef43b5a577646
Publikováno v:
Eksergi. 19:162
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2ada9cea71d99c6c0c6824a41ae1a3ea
https://doi.org/10.31315/e.v19i3.8199
https://doi.org/10.31315/e.v19i3.8199
Publikováno v:
Eksergi. 19:123
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d2016fbd5dabea52665ebed9325bb6e
https://doi.org/10.31315/e.v19i3.8007
https://doi.org/10.31315/e.v19i3.8007
Publikováno v:
Journal of Health Technology Assessment in Midwifery, Vol 2, Iss 1, Pp 50-58 (2019)
Physiological and psychological changes in pregnancy have a considerable effect on mother’s wellbeing. Hence, in this period pregnant women are vulnerable to develop mental health difficulties due to hormonal alterations and other external factors.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::104724bed4a9dbffc97b89c963d30e04
https://ejournal.unisayogya.ac.id/ejournal/index.php/JHTAM/article/view/1043
https://ejournal.unisayogya.ac.id/ejournal/index.php/JHTAM/article/view/1043
Publikováno v:
Jurnal Rekayasa Proses; Vol 12, No 1 (2018); 9-16
Outlet pigtail tubes, one of the components in primary reformer, have a function to carry the reformed gas from the catalyst tubes to the collection manifold. Moreover, it also has a function to provide the required flexibility within the system to a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72d86e4d92f56786a544a50f703e9761
https://journal.ugm.ac.id/jrekpros/article/view/33802
https://journal.ugm.ac.id/jrekpros/article/view/33802