Search Results - "Yajima, M"

Analysis of mixed-material layers deposited on the toroidal array probes during the FY 2012 LHD plasma campaign by Alimov, V.Kh, Yajima, M., Masuzaki, S., Tokitani, M.

“…•Ten Si probes were located on the outer side of the LHD first-wall surface in each 36° toroidal section.•During the 16th plasma campaign, mixed-material…”
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Tritium distributions in castellated structures of Be limiter tiles from JET-ITER-like wall experiments by Lee, S., Hatano, Y., Masuzaki, S., Oya, Y., Tokitani, M., Yajima, M., Otsuka, T., Ashikawa, N., Torikai, Y., Asakura, N., Nakamura, H., Kurotaki, H., Hayashi, T., Nozawa, T., Ito, A.M., Likonen, J., Widdowson, A., Rubel, M.

“…Abstract Tritium retention in the castellated structure of beryllium limiters used in JET with the ITER-like wall (ILW) during the first (ILW1), third (ILW3)…”
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Overview of tritium retention in divertor tiles and dust particles from the JET tokamak with the ITER-like wall by Torikai, Y., Kikuchi, G., Owada, A., Masuzaki, S., Otsuka, T., Ashikawa, N., Yajima, M., Tokitani, M., Oya, Y., Lee, S.E., Hatano, Y., Asakura, N., Hayashi, T., Oyaidzu, M., Likonen, J., Widdowson, A., Rubel, M.

“…Abstract Divertor tiles after Joint European Torus-ITER like wall (JET-ILW) campaigns and dust collected after JET-C and JET-ILW operation were examined by a…”
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Helium irradiation effects on the surface modification and recrystallization of tungsten by Khan, A, De Temmerman, G, Kajita, S, Greuner, H, Balden, M, Hunger, K, Ohno, N, Hwangbo, D, Tomita, Y, Tokitani, M, Nagata, D, Yajima, M

“…Helium (He) irradiation has previously been observed to alter surface modifications and the recrystallization properties of tungsten (W). In this study, He…”
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Sulfur K-edge XANES for methylene blue in photocatalytic reaction over WO3 nanomaterials by Komori, K., Yoshida, T., Nomoto, T., Yamamoto, M., Tsukada, C., Yagi, S., Yajima, M., Kajita, S., Ohno, N.

“…We investigated the photocatalysis of dendritic nanostructured WO3/W composite materials fabricated by He plasma irradiation to tungsten plates, followed by…”
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Investigation of remaining tritium in the LHD vacuum vessel after the first deuterium experimental campaign by Masuzaki, S, Otsuka, T, Ogawa, K, Yajima, M, Tokitani, M, Zhou, Q, Isobe, M, Oya, Y, Yoshida, N, Nobuta, Y

“…Remaining tritium in the vacuum vessel after the first deuterium plasma experimental campaign conducted over four months was investigated in the large helical…”
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Investigation of arcing on fiber-formed nanostructured tungsten by pulsed plasma during steady state plasma irradiation by Yajima, M., Ohno, N., Kajita, S., De Temmerman, G., Bystrov, K., Bardin, S., Morgan, T.W., Masuzaki, S.

“…Arcing on fiber-formed nanostructured tungsten samples during ELM-like pulses was investigated using the superimposition of high power pulsed plasma on a…”
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Kinetics of deuterium penetration into neutron-irradiated tungsten under exposure to high flux deuterium plasma by Yajima, M., Hatano, Y., Ohno, N., Kuwabara, T., Toyama, T., Takagi, M., Suzuki, K.

“…•In this manuscript, the effects of neutron irradiation on hydrogen isotope transport in tungsten are investigated.•From the experiments, it is shown that the…”
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Preparation of erosion and deposition investigations on plasma facing components in Wendelstein 7-X by Dhard, C P, Balden, M, Braeuer, T, Brezinsek, S, Coenen, J W, Dudek, A, Ehrke, G, Hathiramani, D, Klose, S, König, R, Laux, M, Linsmeier, Ch, Manhard, A, Masuzaki, S, Mayer, M, Motojima, G, Naujoks, D, Neu, R, Neubauer, O, Rack, M, Ruset, C, Schwarz-Selinger, T, Pedersen, T Sunn, Tokitani, M, Unterberg, B, Yajima, M

“…In the Wendelstein 7-X stellarator with its twisted magnetic geometry the investigation of plasma wall interaction processes in 3D plasma configurations is an…”
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Investigation on tritium retention and surface properties on the first wall in the large helical Device by Yajima, M., Masuzaki, S., Yoshida, N., Tokitani, M., Otsuka, T., Oya, Y., Torikai, Y., Motojima, G.

“…•Examined tritium (T) retention in material probes on the first wall after the LHD 2017 campaign.•Studied the relationships between surface microstructures and…”
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Investigation of the distribution of remaining tritium in divertor in LHD by Masuzaki, S., Yajima, M., Ogawa, K., Motojima, G., Tanaka, M., Tokitani, M., Isobe, M., Otsuka, T.

“…•The amounts of remaining tritium (T) in divertor tiles have been investigated by using a full-combustion method.•Asymmetric T retention in divertor tiles…”
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Undersmoothed Kernel Entropy Estimators by Paninski, L., Yajima, M.

“…We develop a ldquoplug-inrdquo kernel estimator for the differential entropy that is consistent even if the kernel width tends to zero as quickly as 1/ N ,…”
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The G-protein on cholesterol-rich membrane microdomains mediates mucosal sensing of short- chain fatty acid and secretory response in rat colon by Yajima, T., Inoue, R., Yajima, M., Tsuruta, T., Karaki, S., Hira, T., Kuwahara, A.

“…Aim:  Short‐chain fatty acids (SCFA) stimulate colonic contraction and secretion, which are mediated by an enteric reflex via a mucosal sensing and cholinergic…”
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Ratio of extracellular water to intracellular water and simplified creatinine index as predictors of all-cause mortality for patients receiving hemodialysis by Yajima, Takahiro, Yajima, Kumiko

“…The bioelectrical impedance analysis-measured ratio of extracellular water (ECW) to intracellular water (ICW) reflects fluid volume and malnutrition. It may be…”
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Effects of modified surfaces produced at plasma-facing surface on hydrogen release behavior in the LHD by Nobuta, Y., Masuzaki, S., Tokitani, M., Ashikawa, N., Nagata, D., Yoshida, N., Oya, Y., Yajima, M., Motojima, G., Kasahara, H., Miyamoto, M., Ohno, N., Yamauchi, Y.

“…•Hydrogen retention behavior at the top surface of modified layer in the LHD was investigated.•Hydrogen desorption was significantly influenced by deposited…”
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Wide-range evaluation of the deposition layer thickness distribution on the first wall by reflection coefficient measurements by Motojima, G., Yoshida, N., Masuzaki, S., Sakamoto, R., Tokitani, M., Tanaka, H., Murase, T., Nagata, D., Matsumoto, K., Miyamoto, M., Yajima, M., Sakamoto, M., Yamada, H., Morisaki, T.

“…•Averaged RGB value measured by color analyzer is consistent with the reflection coefficient obtained by ellipsometric measurement in samples.•Relationship…”
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Nucleosome exclusion from the interspecies-conserved central AT-rich region of the Ars insulator by Takagi, Haruna, Inai, Yuta, Watanabe, Shun-ichiro, Tatemoto, Sayuri, Yajima, Mamiko, Akasaka, Koji, Yamamoto, Takashi, Sakamoto, Naoaki

“…The Ars insulator is a boundary element identified in the upstream region of the arylsulfatase (HpArs) gene in the sea urchin, Hemicentrotus pulcherrimus, and…”
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Purification and some characteristics of enterocin ON-157, a bacteriocin produced by Enterococcus faecium NIAI 157 by Ohmomo, S, Murata, S, Katayama, N, Nitisinprasart, S, Kobayashi, M, Nakajima, T, Yajima, M, Nakanishi, K

“…Bacteriocin-like activity (BLA) was screened in 690 strains of lactic acid bacteria isolated from plant materials such as silages and fermented vegetables…”
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Comments on the Unsettled Problems Related to the Origin of the Incommensurate Phase of Quartz by Shigenari, T., Abe, K., Yajima, M., Nagamine, M., Semagin, D., Aslanyan, T. A., Dmitriev, S. V.

“…It is shown that there are several experimental and theoretical results which are not compatible with the currently accepted model for the incommensurate (INC)…”
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Delayed testosterone replacement restores nitric oxide synthase‐containing nerve fibres and the erectile response in rat penis by Baba, K., Yajima, M., Carrier, S., Morgan, D.M., Nunes, L., Lue, T.F., Iwamoto, T.

“…Objective To elucidate the effect of testosterone on penile innervation. Materials and methods Three groups of six rats each were assessed; two groups (1 and…”
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