Zobrazeno 1 - 10
of 50
pro vyhledávání: '"natural silica"'
Autor:
Lisnawaty Simatupang, Rikson Siburian, Elfrida Ginting, Binsar Maruli Tua Pakpahan, Kristian Adinata Pratama Simatupang, Dea Gracella Siagian, Edward Relius Laoli, Ronn Goei, Alfred Iing Yoong Tok
Publikováno v:
International Journal of Technology, Vol 15, Iss 4, Pp 880-889 (2024)
This study investigated the potential of porous silica material extracted from volcanic ash of Mount Sinabung, Indonesia, as a corrosion inhibitor. The new material was subjected to comprehensive analysis using the X-Ray Diffraction (XRD), Fourier
Externí odkaz:
https://doaj.org/article/44bcf243485a476bbfd9aea7a266d952
Autor:
El Bahraoui Elhassan, Khouchaf Lahcen, Oufakir Abdelhamid, Ben Fraj Amor, Elaatmani Mohammed, Zegzouti Abdelouahed
Publikováno v:
Reviews on Advanced Materials Science, Vol 61, Iss 1, Pp 363-371 (2022)
In this study, nano-structural and nano-constraints behavior of two silica aggregate mortars are investigated. The first silica aggregate (A) is almost pure silica and the second one (B) contains silica, calcite and dolomite phases. The relationship
Externí odkaz:
https://doaj.org/article/96480fdebd784633ae38b62654411656
Autor:
Malahayati Malahayati, Evi Yufita, Ismail Ismail, Mursal Mursal, Rinaldi Idroes, Zulkarnain Jalil
Publikováno v:
Journal of Ecological Engineering, Vol 22, Iss 11, Pp 79-85 (2021)
The characteristics of MgH2 as a hydrogen storage material in this study were observed by varying the composition of the catalyst. The added catalyst was a dual catalyst, namely nickel and natural silica extracted from rice husk ash with a compositio
Externí odkaz:
https://doaj.org/article/b7967b12c3ec4ff694cd407c9b546f26
Autor:
Malahayati Malahayati, Evi Yufita, Ismail Ismail, Mursal Mursal, Rinaldi Idroes, Zulkarnain Jalil
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 16, Iss 2, Pp 280-285 (2021)
MgH2 is a very hopeful material for application as hydrogen storage material in the solid form. This is due to its reversibility and its ability to store large amounts of hydrogen, which is 7.6 wt%. However, this material still has weaknesses, namely
Externí odkaz:
https://doaj.org/article/3b980159259b4602be521d6ff3098ca3
Publikováno v:
Molekul, Vol 13, Iss 2, Pp 162-171 (2018)
Radioisotope indium-113m (113mIn) with half-life, T1/2 = 1.7 hours and gamma energy, Eg = 391 keV is suitable and meets the criteria as radiotracer in industry. 113mIn radioisotope was obtained from tin-113 decay (113Sn, T1 / 2 = 115 days) of 112Sn (
Externí odkaz:
https://doaj.org/article/7e51b79d997d42dd84e83baf2fe42991
Akademický článek
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Akademický článek
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Autor:
S. N. Aisyiyah Jenie, Yuni Kusumastuti, Fransiska S. H. Krismastuti, Yovilianda M. Untoro, Rizna T. Dewi, Linar Z. Udin, Nina Artanti
Publikováno v:
Sensors, Vol 21, Iss 3, p 881 (2021)
The development of fluorescent silica nanoparticles (SNP-RB) from natural amorphous silica and its performance as an Escherichia coli (E. coli) biosensor is described in this paper. SNP-RB was derived from silica recovered from geothermal installatio
Externí odkaz:
https://doaj.org/article/4212fd2ff9004d37ba96929083ffd203
Autor:
Zulkarnain Jalil, Ismail Ismail, Mursal Mursal, Malahayati Malahayati, Rinaldi Idroes, Evi Yufita
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 16, Iss 2, Pp 280-285 (2021)
MgH2 is a very hopeful material for application as hydrogen storage material in the solid form. This is due to its reversibility and its ability to store large amounts of hydrogen, which is 7.6 wt%. However, this material still has weaknesses, namely
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::20befad4bcd4445dee4a3755fcc127fb
https://ejournal2.undip.ac.id/index.php/bcrec/article/view/10220
https://ejournal2.undip.ac.id/index.php/bcrec/article/view/10220
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 26:1620-1626
This paper investigates the residue formed on silicone rubber filled with natural silica in the inclined plane tracking and erosion test under AC and DC voltages. Simultaneous thermogravimetric and differential thermal analyses reveal residue formati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1850a0b9dcac9e559a2e5b0a357026a6
https://doi.org/10.1109/tdei.2019.008203
https://doi.org/10.1109/tdei.2019.008203