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Journal Articles

Root-endophytic Chaetomium cupreum chemically enhances aluminium tolerance in $$Miscanthus sinensis$$ via increasing the aluminium detoxicants, chlorogenic acid and oosporein

Haruma, Toshikatsu*; Yamaji, Keiko*; Ogawa, kazuyoshi*; Masuya, Hayato*; Sekine, Yurina; Kozai, Naofumi

PLOS ONE (Internet), 14(2), p.e0212644_1 - e0212644_16, 2019/02

 Times Cited Count:13 Percentile:87.95(Multidisciplinary Sciences)

Miscanthus sinensis Andersson is a pioneer plant species that grows naturally at mining sites. $$Miscanthus sinensis$$ can detoxify aluminium (Al) by producing phytosiderophores. Root-endophytic Chaetomium cupreum, which produces microbial siderophores, enhances Al tolerance in M. sinensis. We identified the siderophore produced by C. cupreum as oosporein. It was revealed that oosporein could detoxify Al. Inoculation test of C. cupreum onto M. sinensis in acidic mine soil showed that C. cupreum promoted seedling growth, and enhanced Al tolerance.

Journal Articles

Identified charged hadron production in $$p + p$$ collisions at $$sqrt{s}$$ = 200 and 62.4 GeV

Adare, A.*; Afanasiev, S.*; Aidala, C.*; Ajitanand, N. N.*; Akiba, Yasuyuki*; Al-Bataineh, H.*; Alexander, J.*; Aoki, Kazuya*; Aphecetche, L.*; Armendariz, R.*; et al.

Physical Review C, 83(6), p.064903_1 - 064903_29, 2011/06

 Times Cited Count:156 Percentile:99.42(Physics, Nuclear)

Transverse momentum distributions and yields for $$pi^{pm}, K^{pm}, p$$, and $$bar{p}$$ in $$p + p$$ collisions at $$sqrt{s}$$ = 200 and 62.4 GeV at midrapidity are measured by the PHENIX experiment at the RHIC. We present the inverse slope parameter, mean transverse momentum, and yield per unit rapidity at each energy, and compare them to other measurements at different $$sqrt{s}$$ collisions. We also present the scaling properties such as $$m_T$$ and $$x_T$$ scaling and discuss the mechanism of the particle production in $$p + p$$ collisions. The measured spectra are compared to next-to-leading order perturbative QCD calculations.

Journal Articles

Azimuthal correlations of electrons from heavy-flavor decay with hadrons in $$p+p$$ and Au+Au collisions at $$sqrt{s_{NN}}$$ = 200 GeV

Adare, A.*; Afanasiev, S.*; Aidala, C.*; Ajitanand, N. N.*; Akiba, Yasuyuki*; Al-Bataineh, H.*; Alexander, J.*; Aoki, Kazuya*; Aphecetche, L.*; Aramaki, Y.*; et al.

Physical Review C, 83(4), p.044912_1 - 044912_16, 2011/04

 Times Cited Count:8 Percentile:52.71(Physics, Nuclear)

Measurements of electrons from the decay of open-heavy-flavor mesons have shown that the yields are suppressed in Au+Au collisions compared to expectations from binary-scaled $$p+p$$ collisions. Here we extend these studies to two particle correlations where one particle is an electron from the decay of a heavy flavor meson and the other is a charged hadron from either the decay of the heavy meson or from jet fragmentation. These measurements provide more detailed information about the interaction between heavy quarks and the quark-gluon matter. We find the away-side-jet shape and yield to be modified in Au+Au collisions compared to $$p+p$$ collisions.

JAEA Reports

Study on thermal hydraulics in thermal striping phenomena; Effect of structural materials on transfer of temperature fluctuation from fluid to structure

Kimura, Nobuyuki; Nagasawa, Kazuyoshi*; Miyake, Katsuhiro*; Ogawa, Hiroshi; Kamide, Hideki

JNC TN9400 2005-037, 82 Pages, 2005/08

JNC-TN9400-2005-037.pdf:6.54MB

A quantitative evaluation on thermal striping, in which temperature fluctuation due to convective mixing causes high cycle thermal fatigue in structural components, is of importance for reactor safety. The consideration of decay of temperature fluctuation based on the phenomenological mechanism enables a legitimate design with reactor integrity. In this study, we performed a parallel triple-Jet water experiment along a wall. In this experiment, the material of the wall was changed to acrylic resin, type 316 stainless steel and copper in order to evaluate an effect of thermal properties in wall materials on the transfor characteristics of temperature fluctuation from fluid to structure. The fluid temperature was measured by a movable thermocouple-tree and the structural temperature was measured by thermocouples embedded on the wall surface. The effect of the wall material on the temperature fluctuation in fluid was not observed at the further position from the wall. In the vicinity of the wall, on the other hand, the temperature fluctuation intensity in fluid decreased as the thermal diffusivity of the wall material was large. The temperature fluctuation intensity in structure was small as the thermal diffusivity of the wall material was large. For each wall material, the heat transfer coefficient was obtained from a transfer function between fluid and structure temperature fluctuations. It was seen that the heat transfer coefficient was large as the thermal diffusivity of material was large. In this experiment, furthermore, the dependence of Nusselt number on Reynolds number was dose to the existing correlation in every materials.

Journal Articles

Measurement of residual stress in the neutron cold moderator cell for high-intensity proton accelerators

Moriai, Atsushi; Kogawa, Hiroyuki; Yamamoto, Kazuyoshi; Kaminaga, Masanori; Minakawa, Nobuaki; Horiguchi, Yoji

Nihon Zairyo Gakkai Dai-37-Kai X Sen Zairyo Kyodo Ni Kansuru Shimpojiumu Koen Rombunshu, p.35 - 37, 2001/00

no abstracts in English

Journal Articles

Experiments on heat transfer of smooth and swirl tubes under one-sided heating conditions

Araki, Masanori; Ogawa, Masuro; Kunugi, Tomoaki; Sato, Kazuyoshi;

Int. J. Heat Mass Transfer, 39(14), p.3045 - 3055, 1996/00

 Times Cited Count:57 Percentile:92.34(Thermodynamics)

no abstracts in English

JAEA Reports

Heat transfer experiments on the cooling tubes for divertor plates under one-sided heating conditions

Araki, Masanori; Ogawa, Masuro; Kunugi, Tomoaki; *; Sato, Kazuyoshi; ; *; Dairaku, Masayuki; Nakamura, Kazuyuki; ; et al.

JAERI-Tech 95-022, 89 Pages, 1995/03

JAERI-Tech-95-022.pdf:3.25MB

no abstracts in English

Oral presentation

ITER diagnostics development in Japan

Kusama, Yoshinori; Ogawa, Hiroaki; Kasai, Satoshi; Sugie, Tatsuo; Hatae, Takaki; Sato, Kazuyoshi; Neyatani, Yuzuru; Kawamata, Yoichi; Kurihara, Kenichi

no journal, , 

no abstracts in English

Oral presentation

Progress in ITER diagnostics development in Japan

Kawano, Yasunori; Kondoh, Takashi; Ishikawa, Masao; Ogawa, Hiroaki; Iwamae, Atsushi; Sugie, Tatsuo; Kasai, Satoshi*; Kusama, Yoshinori; Sato, Kazuyoshi

no journal, , 

no abstracts in English

Oral presentation

Progress in ITER diagnostics development in Japan

Kawano, Yasunori; Kondoh, Takashi; Ishikawa, Masao; Hatae, Takaki; Hayashi, Toshimitsu; Ono, Takehiro; Ogawa, Hiroaki; Sugie, Tatsuo; Iwamae, Atsushi; Kusama, Yoshinori; et al.

no journal, , 

Progress in ITER diagnostics development in Japan is presented. (1) Micro Fission Chamber: A bending test of the mineral insulated cable has been carried out since its smallest bending radius would be 12 cm in the vacuum vessel. It has been confirmed that no damage has been observed even at the bending radius is small as 10 cm. (2) Thomson Scattering (Edge): It has been confirmed that the prototype YAG laser amplifier satisfies the target performance of ITER requirement. (3) Poloidal Polarimeter: Study of retro-reflectors in the first wall modules and the divertor cassette has been progressed. (4) Impurity Influx Monitor (Divertor): Mechanical designs of mirror box and optical shutter in the divertor cassette have been designed. (5) Upper Port Plug: For the generic design of the upper port plug (UPP), mesh modeling of UPP has been performed for the E-M analysis. Application of HIP (Hot Isostatic Press) method for manufacturing of UPP has been proposed.

Oral presentation

Progress in ITER diagnostics development in Japan

Kawano, Yasunori; Iwamae, Atsushi; Ogawa, Hiroaki; Sugie, Tatsuo; Hatae, Takaki; Yatsuka, Eiichi; Kondoh, Takashi; Ishikawa, Masao; Sato, Kazuyoshi; Hayashi, Toshimitsu; et al.

no journal, , 

no abstracts in English

Oral presentation

Progress in ITER diagnostics development in Japan

Kawano, Yasunori; Kondoh, Takashi; Ishikawa, Masao; Ogawa, Hiroaki; Iwamae, Atsushi; Sugie, Tatsuo; Sato, Kazuyoshi; Hatae, Takaki; Yatsuka, Eiichi; Hayashi, Toshimitsu; et al.

no journal, , 

no abstracts in English

Oral presentation

Status and plan of ITER diagnostics development

Kusama, Yoshinori; Kawano, Yasunori; Sugie, Tatsuo; Kondoh, Takashi; Ogawa, Hiroaki; Hatae, Takaki; Sato, Kazuyoshi; Suzuki, Satoshi; Hayashi, Toshimitsu; Ono, Takehiro; et al.

no journal, , 

no abstracts in English

Oral presentation

Progress in ITER diagnostics development in Japan

Kusama, Yoshinori; Kondoh, Takashi; Ishikawa, Masao; Hatae, Takaki; Yatsuka, Eiichi; Hayashi, Toshimitsu; Ono, Takehiro; Kawano, Yasunori; Imazawa, Ryota; Ogawa, Hiroaki; et al.

no journal, , 

no abstracts in English

Oral presentation

Progress in ITER diagnostics development in Japan

Kawano, Yasunori; Kondoh, Takashi; Ishikawa, Masao; Hatae, Takaki; Yatsuka, Eiichi; Imazawa, Ryota; Ogawa, Hiroaki; Sugie, Tatsuo; Takeuchi, Masaki; Sato, Kazuyoshi; et al.

no journal, , 

Recent progress in development of ITER diagnostic systems in Japan is presented as briefly shown below. (1) Microfission Chamber: A prototyping of vacuum feedthrough showed that the vacuum leak rate satisfies that of ITER requirement. (2) Thomson scattering (edge): A new method proposed for the measurement of anisotropic electron temperature was presented. (3) Poloidal Polarimeter: Measurement accuracy of the poloidal polarimeter was evaluated so that the accuracy of resultant current profile can satisfy the ITER measurement requirement. (4) Impurity influx monitor (divertor): By improvement of the design of equatorial port optics, expected detected light was 16 times increased in comparison with that of the previous design. (5) Divertor thermocouples (outer target): Investigation was started about the fixation method of the thermocouple on the side of divertor outer target. (6) Divertor IR thermography: Conceptual design activity was started for equatorial port optics.

Oral presentation

Progress in ITER diagnostics development in Japan

Kawano, Yasunori; Hatae, Takaki; Yatsuka, Eiichi; Sugie, Tatsuo; Takeuchi, Masaki; Ogawa, Hiroaki; Imazawa, Ryota; Ono, Takehiro; Kondoh, Takashi; Ishikawa, Masao; et al.

no journal, , 

no abstracts in English

Oral presentation

Defect investigation research of nondestructive testing with ultrasonic phased array technologies mainly in JSNS mercury target vessel of J-PARC

Wakai, Eiichi; Wakui, Takashi; Kogawa, Hiroyuki; Naoe, Takashi; Shoji, Masayuki; Ishikawa, Kazuyoshi; Yasu, Kazumi*; Teshigawara, Makoto; Hanano, Kohei; Narui, Norio; et al.

no journal, , 

no abstracts in English

17 (Records 1-17 displayed on this page)
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