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Visualization and Analysis of the Tracer Migration Process in the Crack by Means of X-ray CT
X線CT法による亀裂内トレーサー移行プロセスの可視化と分析

Akira SATO, Takuto ARIMIZU, Hirotaka YONEMURA, Atsushi SAWADA
2009 Journal of MMIJ  
The advection and dispersion of contaminated materials in a rock mass are one of the important factors to evaluate the characteristics of the rock mass as a natural barrier function for a radioactive waste disposal project. In this study, X-ray CT method was applied to evaluate the advection and dispersion of solute in the crack which exists in rock mass. In order to visualize advection and dispersion phenomena, the tracer migration test have been conducted and tracer migration process was
more » ... lized by X-ray CT scanner. Here, an indicator, coefficient of tracer density increment, was newly introduced to analyze tracer migration. This is the indicator that represents the density of the tracer in the crack, and the evaluation of the density distribution of the tracer becomes possible. In this study, the influences of the crack aperture to the tracer migration process are discussed.
doi:10.2473/journalofmmij.125.146 fatcat:frkswmotijarzilb2xa4oq75ka

Analysis of the Migration and Storage Phenomena of CO2 in the Porous Media by Means of X-ray CT
X線CT法による多孔質岩石内CO2流動および貯留現象の分析

Akira SATO, Takuto ARIMIZU, Katsuya TANAKA, Takashi SHIOTE
2009 Journal of MMIJ  
CO 2 の岩石での圧入・流動現象のメカニズムをより詳細に明らか にし,それらと弾性波トモグラフィーの結果を結びつけることな どにより, より詳細な貯留計画の立案と貯留 CO 2 の定量評価が可 能になってくると考えられる。弾性波以外の非破壊検査法を用い た方法としては MRI( 磁気共鳴映像法 ) を適用した研究 9) があり, 岩石試料内部での CO 2 の挙動を水の流動を通して可視化する有 用な手法である。しかし,測定原理から計測に用いる岩石の種類 が限られる点や,一般的に X 線 CT などの可視化技術に比較して 空間分解能が低く,岩石試料の分析への適用に関しては今後の発 1 2 2 2
doi:10.2473/journalofmmij.125.437 fatcat:3wdto6rs4fbm3fipfrbyrlgi4a

メサコリン吸入誘発試験における呼吸抵抗曲線と<81m>^Kr肺換気像の動態との比較
A COMPARATIVE STUDY ON THE METHACHOLINE PROVOCATION TEST MONITORED SIMULTANEOUSLY BY THE OSCILLATION METHOD AND THE DYNAMICS OF <81m>^Kr VENTILATION IMAGE

Kazuo Sugimoto, Tsuyoshi Toba, Hisao Tomioka, Makoto Tanaka, Akira Kumagai, Noboru Arimizu, Sadao Uematsu, Guio Uchiyama
1982 Arerugi = [Allergy]  
n test Case Age Sex Diagnosis ( yξ 畫) 2e, 67,S -676, ofPediatrics, Chiba Citj Hospital Hisao Tomioka, Makote Tanaka and Akira Kumagai SecondDopartment ofIntematMedict'ne, Chiba Uneztersity School ofMedicine  ... 
doi:10.15036/arerugi.31.1167 fatcat:cqr5qgv4cber7ovg7dt3jnsydu

Kinetic and kinematic variables affecting trunk flexion during level walking in patients with lumbar spinal stenosis

Tatsuya Igawa, Junji Katsuhira, Akira Hosaka, Kenta Uchikoshi, Shinichi Ishihara, Ko Matsudaira, Marc H.E. de Lussanet
2018 PLoS ONE  
Morishita Y, Hida S, Naito M, Arimizu J, Matsushima U, Nakamura A.  ...  Investigation: Tatsuya Igawa, Akira Hosaka, Kenta Uchikoshi, Shinichi Ishihara. Methodology: Tatsuya Igawa, Akira Hosaka. Project administration: Tatsuya Igawa.  ... 
doi:10.1371/journal.pone.0197228 pmid:29746537 pmcid:PMC5944950 fatcat:os6t66o3hfd5rmbdajex46domy

Antihypertensive and volume-depleting effects of mild exercise on essential hypertension

H Urata, Y Tanabe, A Kiyonaga, M Ikeda, H Tanaka, M Shindo, K Arakawa
1987 Hypertension  
HIDENORI URATA, YOICHI TANABE, AKIRA KJYONAGA, MASAHARU IKEDA, HIROAKI TANAKA, MUNEH1RO SHINDO, AND KLKUO ARAKAWA SUMMARY After a general clinical observation period of over 4 weeks, 20 essential hypertensive  ...  Acknowledgments We thank Tomoko Tanaka, Mikiko Arimizu, and Ushio Goto for skillful technical and secretarial services and Sayun Morikawa, Miyoko Yamauchi, Tsunekazu Koriyama, Yoshiaki Tanabe, and Yasuo  ... 
doi:10.1161/01.hyp.9.3.245 pmid:3546120 fatcat:7h5lzb4ngzfc5pryhnrjbr4afe

Estimate of wood densities of dead wood by decay classes in Japan

Sakai Yoshimi, Takahashi Masamichi, Ishizuka Shigehiro, Inagaki Yoshiyuki, Matsuura Yojiro, Unno Akira, Nakata Keisuke, Nagasaka Akiko, Niwa Hanae, Sawata Satoshi, Houjyou Yoshitaka, Tamaki Yasuhiko (+10 others)
2011 Bulletin of FFPRI   unpublished
Part of Arimizu 1:25,000 topographic map published by the Geographical Survey Institute was used.  ...  runoff rate, nitrogen budge 1)* 2) 3) 2) 1) 4) 4) 5) Streamwater chemistry at the Sarukawa Experimental Watershed Shuichiro YOSHINAGA 1) , Yoshiyuki INAGAKI 2) , Tsuyoshi YAMADA 3) , Satoru MIURA 2) , Akira  ... 
fatcat:vzd65557sndyrpdmppim2vimy4

Digital Poster

2019 Nippon Saikingaku Zasshi  
2 ,磯部 順子 2,3 ,若林 友騎 1 ,佐藤 光彦 1 ,中村 佳 司 1 ,後藤 恭宏 1 ,林 哲也 1 ,小椋 義俊 1 ( 1 九大・医・細菌, 2 大阪健安研・ 企画精度管理, 3 富山県衛研・細菌) Genomic feature and virulence potential of cryptic Escherichia clade I carrying Stx2 ○Yoko Arimizu  ...  Role of N-terminal region of FlhG on the polar flagellar number regulation in marine Vibrio Seiji Kojima, Akira Mizhno, ○Michio Homma (Dev. Biol. Sci., Sch. Sci., Nagoya Univ.)  ...  Regulation of inducible carbapenemase NmcA expression in Enterobacter ludwigii ○Ryuichi Nakano 1 , Akiyo Nakano 1 , Yuki Yamada 2 , Kazuya Narita 2 , Yuki Suzuki 1 , Akira Suwabe 2,3 , Hisakazu Yano 1  ... 
doi:10.3412/jsb.74.44 fatcat:ru5tme66kfeltc7oyhpsnmy6u4

Poster

2018 Nippon Saikingaku Zasshi  
LTD) ム解析による腸管出血性大腸菌出現プロセスの解明 ○有水 遥子 1,2 ,林 哲也 1 ,小椋 義俊 1 ( 1 九州大・院医・細菌, 2 九大院・ 医・病態修復) Large scale genomics of bovine and human commensal E. coli to reveal the emerging process of EHEC ○Yoko Arimizu  ...  P-303 IL-1β production by dendritic cells and macrophages stimulated with Candida albicans ○長谷部 晃,佐伯 歩,柴田 健一郎(北大院・歯学院・口腔分子微生物) ○Akira Hasebe, Ayumi Saeki, Ken-ichiro Shibata (Dept. Oral Mol.  ...  P-366 バイオフィルム内部において DNA Analyses of NMC-A expression in Enterobacter cloacae complex first isolated in Japan ○Ryuichi Nakano 1 , Yuki Yamada 2 , Akiyo Nakano 1 , Kazuya Narita 2 , Yuki Suzuki 1 , Akira  ... 
doi:10.3412/jsb.73.50 pmid:29479024 fatcat:swsf2xq2j5f2pimqwbkiptu5ue

Workshop

2020 Nippon Saikingaku Zasshi  
WS07-2 (P2-039) ○Kai Ishida 1 , Takaaki Shimohata 1 , Yuna Kanda 1 , Rumiko Masuda 1 , Takashi Uebanso 1 , Kazuaki Mawatari 1 , Takashige Kashimoto 2 , Akira Takahashi 1 ( 1 Dept.  ...  WS03-1 (P1-032) Genome analyses of E. coli strains isolated as suspected causative agents in diarrhea outbreaks ○Yoshitoshi Ogura 1 , Mari Sasaki 2 , Hiroshi Narimatsu 2 , Kai Ishimaru 3 , Yoko Arimizu  ... 
doi:10.3412/jsb.75.36 pmid:31969514 fatcat:2yqjlxkw6nd3hjtuj3fano3asu

第49回 日本小児神経外科学会

2021 Nervous System in Children  
Shoko Shimokawa 1, 2 , Fumitaka Yoshioka 2 , Ayako Takamori 3 , Ryo Tajiri 3 , Mika Tominaga 3 , Yuhko Ishimaru 3 , Kouta Arimizu 3 , Kazuo Ishii 4 , Tatsuyuki Kakuma 4 , Kyouji Furukawa 4 1 Department  ...  O04-4 Duplication of Internal Occipital Crest を伴う Chiari-I 奇形の 2 例 菊田 朗 1 ,大坪 豊 1 ,福原 宏和 1 1 東京都立大塚病院脳神経外科 Two cases of Chiari-I malformation with duplication of Internal Occipital Crest Akira Kikuta  ... 
doi:10.34544/jspn.46.2_57 fatcat:yige7jug5ff7lpuue4qheccoc4

Poster

2020 Nippon Saikingaku Zasshi  
., 3 Genome analyses of E. coli strains isolated as suspected causative agents in diarrhea outbreaks ○Yoshitoshi Ogura 1 , Mari Sasaki 2 , Hiroshi Narimatsu 2 , Kai Ishimaru 3 , Yoko Arimizu 1 ,  ...  日本細菌学雑誌 75( 1 ) ,2020 P1-177 バシラス属の菌株間におけるクロルヘキシジンに対する抵抗性の 比較 ○岡本 陽(愛教大・養教) Comparison of sensitivity to chlorhexidine between genus Bacillus species ○Akira Okamoto (Sch.  ... 
doi:10.3412/jsb.75.60 pmid:31969516 fatcat:jd7bagpexrcyvleh7va5yrohxu