Zobrazeno 1 - 10 of 19 pro vyhledávání: '"Akihiro Takeyama"'
1
Akademický článek
Steam recovery from flue gas by organosilica membranes for simultaneous harvesting of water and energy
Autor: Norihiro Moriyama, Akihiro Takeyama, Taichi Yamatoko, Ken-ichi Sawamura, Koji Gonoi, Hiroki Nagasawa, Masakoto Kanezashi, Toshinori Tsuru
Publikováno v: Nature Communications, Vol 14, Iss 1, Pp 1-10 (2023)
Abstract Steam recovery from the spent gases from flues could be a key step in addressing the water shortage issue while additionally benefiting energy saving. Herein, we propose a system that uses organosilica membranes consisting of a developed lay
Externí odkaz: https://doaj.org/article/6e2b481448e5468b9c80d35ec3ddb025
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2
Akademický článek
Direct Quantitative Analysis of Arsenic in Coal Fly Ash
Autor: Sri Hartuti, Shinji Kambara, Akihiro Takeyama, Kazuhiro Kumabe, Hiroshi Moritomi
Publikováno v: Journal of Analytical Methods in Chemistry, Vol 2012 (2012)
A rapid, simple method based on graphite furnace atomic absorption spectrometry is described for the direct determination of arsenic in coal fly ash. Solid samples were directly introduced into the atomizer without preliminary treatment. The direct a
Externí odkaz: https://doaj.org/article/c18009d628ca478eab06756da96cc3b6
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5
Effect of Additives on Arsenic, Boron and Selenium Leaching from Coal Fly Ash
Autor: Shinji Kambara, Farrah Fadhillah Hanum, Sri Hartuti, Akihiro Takeyama
Publikováno v: Minerals; Volume 7; Issue 6; Pages: 99
Minerals, Vol 7, Iss 6, p 99 (2017)
The establishment of an inexpensive leaching control method to prevent the leaching of trace elements from fly ash is required for the utilization of large-scale fly ash as an embankment material. This study examined the effects of the additives on s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6c56ff6549f6eee7022558d2cd536184
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7
Thermal hysteresis control of VO2 (M) nanoparticles by Ti-F codoping
Autor: Akihiro Takeyama, Masahisa Okada, Yasusei Yamada
Publikováno v: Nano-Structures & Nano-Objects. 20:100395
We have synthesized F-doped Ti x V 1−x O2 nanoparticles by hydrothermal method and examined the structural phase transition behavior depending on the Ti and F contents. Differential scanning calorimetry and temperature-dependent X-ray diffraction a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::625b90d8bf09b8c8262473233bfda50a
https://doi.org/10.1016/j.nanoso.2019.100395
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