Multi-chord observation of stellar occultation by the near-Earth asteroid (3200) Phaethon on 2021 October 3 (UTC) with very high accuracy

Autor: Fumi Yoshida, Tsutomu Hayamizu, Kazuhisa Miyashita, Hiroyuki Watanabe, Hidehito Yamamura, Hiroshi Akitaya, Akira Asai, Yasunori Fujiwara, Tateki Goto, George L Hashimoto, Akitoshi Hatanaka, Toshihiro Horaguchi, Miyoshi Ida, Kazuyoshi Imamura, Ken Isobe, Masateru Ishiguro, Noboru Kaizuka, Hisashi Kasebe, Yohei Kawasaki, Taewoo Kim, Katsuhiko Kitazaki, Norihiro Manago, Masafumi Matsumura, Hiroshi Matsushita, Shuji Matsuura, Takahiro Nakamura, Toshihiro Nagata, Hirotomo Noda, Masaaki Ogawa, Osamu Ohshima, Minoru Owada, Kazuyuki Saitou, Mitsunori Tsumura, Yoshihiro Ueyama, Hayato Watanabe, Masa-yuki Yamamoto, Hideki Yoshihara, Takao Fujiwara, Miyu Haraguchi, Hironori Hayashi, Tomoya Hitotsuda, Toshihiro Horikawa, Kai Ishida, Tadashi Ito, Sunho Jin, Wonseok Kang, Toshihiko Katayama, Koji S Kawabata, Ryosuke Kawasaki, Kihyeon Kim, Masayuki Kita, Naoko Kitazaki, Hiroya Kurisu, Makoto Matsushima, Chika Matsumi, Ayami Mihari, Masaru Naka, Tatsuya Nakaoka, Reiko Nishihama, Yukio Nishiyama, Sadao Nukui, Masahiko Oba, Takaya Okamoto, Yujiro Omori, Jinguk Seo, Hiroki Shirakawa, Tomoshi Sugino, Yuki Tani, Kazuhiko Takagaki, Yukikazu Ueda, Seitaro Urakawa, Masanari Watanabe, Kouhei Yamashita, Misato Yamashita, Isao Sato, Shosaku Murayama, Tomoko Arai, David Herald, Arika Higuchi

Publikováno v: Publications of the Astronomical Society of Japan. 75:153-168

We observed a stellar occultation by (3200) Phaethon, which occurred in western Japan on 2021 October 3 (UTC). This observation was requested by the DESTINY+ mission team, which plans to conduct a flyby of asteroid Phaethon in 2028. Overall, this res

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::662b06b66ad26fe4a5f0f84994f60f0d
https://doi.org/10.1093/pasj/psac096

Osteosclerosing multiple myeloma: A case highlighting critical value of image findings for the diagnosis

Autor: Yuko Kobashi, Hideaki Suzuki, Masaru Nakagawa, Toshio Kojima, Ryusuke Tsujimura, Katsuhiro Miura, Hideki Nakamura, Masahiro Okada

Publikováno v: Radiology Case Reports, Vol 20, Iss 1, Pp 545-549 (2025)

Osteosclerosing myeloma is a specific form of multiple myeloma. We present a case of a 63-year-old woman who was found to have anemia during her medical checkup. Her blood tests suggested multiple myeloma, but she had diffuse osteosclerotic changes m

Externí odkaz: https://doaj.org/article/90099222e83943a7be531000d9c8e8d7

Effect of temperature on mechanical properties of beryllium intermetallic compounds fabricated by plasma sintering

Autor: Taehyun Hwang, Jae-Hwan Kim, Yutaka Sugimoto, Ramil Gaisin, Rolf Rolli, Pavel Vladimirov, Yoshiaki Akatsu, Shota Yokohama, Suguru Nakano, Masaru Nakamichi

Publikováno v: Nuclear Materials and Energy, Vol 40, Iss , Pp 101686- (2024)

This purpose of study is to establish the material database of neutron multiplier for the JA DEMO design. In the previous study, we reported the effects of sintering conditions as temperature and pressure on hardness and sintered density mainly in th

Externí odkaz: https://doaj.org/article/04bf88fa40ef4e83b8195531e3f7bd55

Investigation of hydrogen generation from the reaction of beryllium pebbles with water vapor for WCCB-TBM

Autor: Yuki Koga, Jae-Hwan Kim, Yuga Ohta, Yoshinori Kawamura, Masaru Nakamichi, Takanori Hirose

Publikováno v: Nuclear Materials and Energy, Vol 39, Iss , Pp 101642- (2024)

Be pebble, as a neutron multiplier material, is being explored for the development of a Water-Cooled Ceramic Breeder Test Blanket Module (WCCB-TBM) in Japan for the International Thermonuclear Experiment Reactor (ITER) project. The Be pebbles were fa

Externí odkaz: https://doaj.org/article/e68180b447a24ef8bf670ba6807f4e99

Helium swelling behavior for neutron multipliers after irradiation with He ions at high temperatures

Autor: Yutaka Sugimoto, Mitsutaka Miyamoto, Jae-Hwan Kim, Taehyun Hwang, Masaru Nakamichi

Publikováno v: Nuclear Materials and Energy, Vol 38, Iss , Pp 101584- (2024)

Beryllides as beryllium intermetallic compounds are the advanced multiplier materials as candidate materials for fusion demonstration power plant (DEMO) due to having good properties such as low swelling rate and stable chemical properties.Under DEMO

Externí odkaz: https://doaj.org/article/92571bdef4684958838064dbb6bfcd38