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Kengo Tokunaga

The effects of high fluence mixed-species (deuterium, helium, beryllium) plasma interactions with tungsten
2009 · M.J. Baldwin, R.P. Doerner, et al. · Journal of Nuclear Materials · 204
Impact of low energy helium irradiation on plasma facing metals
2004 · N. Yoshida, H. Iwakiri, et al. · Journal of Nuclear Materials · 196
Blister formation and deuterium retention on tungsten exposed to low energy and high flux deuterium plasma
2005 · K. Tokunaga, M.J. Baldwin, et al. · Journal of Nuclear Materials · 135
Development of Nanostructured Tungsten Based Materials Resistant to Recrystallization and/or Radiation Induced Embrittlement
2013 · H. Kurishita, H. Arakawa, et al. · MATERIALS TRANSACTIONS · 134
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The Helicobacter pylori Genome Project: insights into H. pylori population structure from analysis of a worldwide collection of complete genomes
2023 · Kaisa Thorell, Zilia Y. Muñoz-Ramírez, et al. · Nature Communications · 89
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Efficacy of Clostridium butyricum preparation concomitantly with Helicobacter pylori eradication therapy in relation to changes in the intestinal microbiota
2008 · Kyoto Imase, Motomichi Takahashi, et al. · Microbiology and Immunology · 81
Detection of mixed clarithromycin-resistant and -susceptible Helicobacter pylori using nested PCR and direct sequencing of DNA extracted from faeces
2007 · Norihisa Noguchi, Emiko Rimbara, et al. · Journal of Medical Microbiology · 72
Suppression of blister formation and deuterium retention on tungsten surface due to mechanical polishing and helium pre-exposure
2005 · D Nishijima, H Iwakiri, et al. · Nuclear Fusion · 68
Lactobacillus reuteri Tablets Suppress Helicobacter pylori Infection
2007 · Kyoto IMASE, Akifumi TANAKA, et al. · Kansenshogaku zasshi · 66
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Steady-state tokamak operation, ITB transition and sustainment and ECCD experiments in TRIAM-1M
2005 · H Zushi, K Nakamura, et al. · Nuclear Fusion · 65
Synergistic effects of high heat loading and helium irradiation of tungsten
2004 · K Tokunaga, S Tamura, et al. · Journal of Nuclear Materials · 65
Current status of first- and second-line Helicobacter pylori eradication therapy in the metropolitan area: a multicenter study with a large number of patients
2019 · Hideki Mori, Hidekazu Suzuki, et al. · Therapeutic Advances in Gastroenterology · 53
Overview of steady state tokamak plasma experiments in TRIAM-1M
2003 · H Zushi, S Itoh, et al. · Nuclear Fusion · 51
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Investigation of hydrogen recycling in long-duration discharges and its modification with a hot wall in the spherical tokamak QUEST
2017 · K. Hanada, N. Yoshida, et al. · Nuclear Fusion · 46
Behavior of plasma-sprayed tungsten coatings on CFC and graphite under high heat load
1999 · K. Tokunaga, N. Yoshida, et al. · Journal of Nuclear Materials · 43
Efficacy of Metronidazole as Second‐Line Drug for the Treatment of Helicobacter pylori Infection in the Japanese Population: A Multicenter Study in the Tokyo Metropolitan Area
2006 · Takeshi Matsuhisa, Takashi Kawai, et al. · Helicobacter · 39
Changes in the first line H elicobacter pylori eradication rates using the triple therapy–a multicenter study in the T okyo metropolitan area (Tokyo Helicobacter pylori study group)
2014 · Takashi Kawai, Shin'ichi Takahashi, et al. · Journal of Gastroenterology and Hepatology · 37
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Extension of operation regimes and investigation of three-dimensional currentless plasmas in the Large Helical Device
2013 · O. Kaneko, H. Yamada, et al. · Nuclear Fusion · 35
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High heat load properties of tungsten coated carbon materials
1998 · K. Tokunaga, N. Yoshida, et al. · Journal of Nuclear Materials · 34
Isolation and characterization of Helicobacter suis from human stomach
2021 · Emiko Rimbara, Masato Suzuki, et al. · Proceedings of the National Academy of Sciences · 33
Endoscopic severe mucosal atrophy indicates the presence of gastric cancer after Helicobacter pylori eradication -analysis based on the Kyoto classification
2020 · Akiko Ohno, Jun Miyoshi, et al. · BMC Gastroenterology · 29
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Behavior of actively cooled mock-ups with plasma sprayed tungsten coating under high heat flux conditions
2006 · K. Tokunaga, Y. Kubota, et al. · Fusion Engineering and Design · 27
Desorption of helium from austenitic stainless steel heavily bombarded by low energy He ions
2004 · M Tokitani, M Miyamoto, et al. · Journal of Nuclear Materials · 27
Microscopic damage of metals exposed to the helium discharges in TRIAM-1M tokamak and its impact on hydrogen recycling process
2003 · N Yoshida, M Miyamoto, et al. · Nuclear Fusion · 27
Thermal response of plasma sprayed tungsten coating to high heat flux
2004 · X. Liu, L. Yang, et al. · Fusion Engineering and Design · 26
Works count: 188
Citation count: 2,588
H-index: 25
I10-index: 64
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