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Multi-phase retrieval of methane hydrate in natural sediments by cryogenic x-ray computed tomography
https://kitami-it.repo.nii.ac.jp/records/2000635
https://kitami-it.repo.nii.ac.jp/records/2000635eb934516-56a9-4540-ae51-25fd1eb43b5d
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
024201_1_5.0189025.pdf (11.4 MB)
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||||||||||||||||||
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| 公開日 | 2024-09-03 | |||||||||||||||||||||
| タイトル | ||||||||||||||||||||||
| タイトル | Multi-phase retrieval of methane hydrate in natural sediments by cryogenic x-ray computed tomography | |||||||||||||||||||||
| 言語 | en | |||||||||||||||||||||
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| 言語 | eng | |||||||||||||||||||||
| 資源タイプ | ||||||||||||||||||||||
| 資源 | http://purl.org/coar/resource_type/c_6501 | |||||||||||||||||||||
| タイプ | journal article | |||||||||||||||||||||
| アクセス権 | ||||||||||||||||||||||
| アクセス権 | open access | |||||||||||||||||||||
| アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||||||||||||||||||
| 著者 |
Satoshi Takeya
× Satoshi Takeya
× Akihiro Hachikubo
× Hirotoshi Sakagami
× Hirotsugu Minami
× Satoshi Yamashita
× Keiichi Hirano
× Kazuyuki Hyodo
× Akio Yoneyama
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| 抄録 | ||||||||||||||||||||||
| 内容記述タイプ | Abstract | |||||||||||||||||||||
| 内容記述 | In this study, we observed natural methane (CH4) hydrate sediments, which are a type of unconventional natural gas resources, using x-ray computed tomography (CT). Because CH4 hydrates are formed by hydrogen bonding of water molecules with CH4, material decomposition becomes challenging when CH4 hydrates coexist with liquid or solid water in natural sediments. Tri-contrast (absorption, refraction, and scattering) imaging was performed via diffraction enhanced x-ray CT optics using monochromatic synchrotron x rays. The quantitative characterization of the contrast changes successfully enabled the decomposition of CH4 hydrates coexisting with frozen seawater (ice) in natural sediments obtained from the Okhotsk Sea. This study reveals complementary structural information about the microtexture and spatial relation among CH4 hydrates, ice, and pores by utilizing the distinct physical properties of x rays when passing through the materials. These results highlight the exceptional capabilities of high-resolution multicontrast x-ray tomography in materials science and geoscience applications. | |||||||||||||||||||||
| 言語 | en | |||||||||||||||||||||
| 書誌情報 |
en : The Journal of Chemical Physics 巻 160, 号 2, p. 024201-1-024201-7, 発行日 2024-01-12 |
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| 収録物識別子タイプ | EISSN | |||||||||||||||||||||
| 収録物識別子 | 1089-7690 | |||||||||||||||||||||
| DOI | ||||||||||||||||||||||
| 識別子タイプ | DOI | |||||||||||||||||||||
| 関連識別子 | 10.1063/5.0189025 | |||||||||||||||||||||
| 権利 | ||||||||||||||||||||||
| 言語 | en | |||||||||||||||||||||
| 権利情報 | c 2024 AIP Publishing This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in (Satoshi Takeya, Akihiro Hachikubo, Hirotoshi Sakagami, Hirotsugu Minami, Satoshi Yamashita, Keiichi Hirano, Kazuyuki Hyodo, Akio Yoneyama; Multi-phase retrieval of methane hydrate in natural sediments by cryogenic x-ray computed tomography. J. Chem. Phys. 14 January 2024; 160 (2): 024201. https://doi.org/10.1063/5.0189025) and may be found at (https://pubs.aip.org/aip/jcp/article/160/2/024201/2933334/Multi-phase-retrieval-of-methane-hydrate-in). | |||||||||||||||||||||
| 出版者 | ||||||||||||||||||||||
| 出版者 | AIP Publishing | |||||||||||||||||||||
| 言語 | en | |||||||||||||||||||||
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| 言語 | en | |||||||||||||||||||||
| 値 | publisher | |||||||||||||||||||||
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| 出版タイプ | VoR | |||||||||||||||||||||
| 出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||||||||||||||
