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Katakai, Akio; Tamada, Masao; Nagamoto, Hiroyuki*; Miyagawa, Hiroshi*
Nihon Ion Kokan Gakkai-Shi, 16(2), p.122 - 126, 2005/05
A chelating fiber containing an amidoxime group as a chelate-forming group was prepared by radiation-induced cograft polymerization of acrylonitrile and methacrylic acid and subsequent conversion of the produced cyano group into the amidoxime group. The effect of repeated use of monomers for radiation-induced graft copolymerization on the composition of the graft chain and its adsorption capacity for metal ions was determined. The degree of cografting decreased by as low as 10% at the fourth cycle of cografting, compared with an initial degree of cografting of 170%, because the amount of homopolymer formed in cografting was negligibly small at 0.15 g/L of the monomer solution. The repeated use of monomers did not affect the amidoxime group density and the adsorption capacities of zinc and cadmium ions, resulting in the cost reduction of the preparation of the chelating fiber.
Ochi, Yoshihiro; Hasegawa, Noboru; Suzuki, Yoji; Sukegawa, Kota*; Kawachi, Tetsuya; Kishimoto, Maki; Nagashima, Keisuke
JAERI-Tech 2004-062, 32 Pages, 2004/11
JAERI-Tech-2004-062.pdf:1.84MB
We have designed new chirp-pulse amplification (CPA) laser system for 0.1 Hz repetition rate soft X-ray laser system. We adopted the optical parametric chirped pulse amplifier (OPCPA) for a pre-amplifier because of its pulse controllability. For a main-amplifier, we decided to use a zigzag-slab amplifier because of its thermal radiation ability. In order to avoid the inhomogeneous spatial profile of the amplified laser beam, the image of the incident laser light created by a serrated aperture is transferred by use of an image relay system. In this report, we will show the preliminary test of each amplifier using a prototype system and the details of the final system design.
Seko, Noriaki; Katakai, Akio; Tamada, Masao; Sugo, Takanobu*; Yoshii, Fumio
Separation Science and Technology, 39(16), p.3753 - 3767, 2004/00
Times Cited Count：83 Percentile：90.42(Chemistry, Multidisciplinary)Fibrous amidoxime adsorbents were prepared by radiation-induced co-grafting of acrylonitrile (AN) and methacrylic acid (MAA) and subsequent amidoximation. Adsorption of uranium in seawater was evaluated by pumping seawater into the adsorbent column. The best monomer ratio of AN and MAA was 7:3 for continual usage of uranium adsorption. Though hydrochloric acid is an effective eluting agent for the metals adsorbed on the adsorbent, amidoxime groups were simultaneously damaged after five cycles of adsorption-desorption. This deterioration was reduced by an alkaline treatment of the adsorbents after each elution. Furthermore, various organic acids were examined as elution agents. It was found that the 80% of adsorption activity was still maintained after five cycles of adsorption-desorption when tartaric acid was used for eluting agent.
Oba, Masaki; Maruyama, Yoichiro
JAERI-Research 2001-040, 24 Pages, 2001/08
JAERI-Research-2001-040.pdf:2.35MB
no abstracts in English
Noda, Fumiaki*;
JAERI-Conf 2001-002, p.274 - 284, 2001/03
no abstracts in English
Zhang, F.; Tani, Norio; Shimada, Taihei; Suzuki, Hiromitsu; Yokomizo, Hideaki
Proceedings of 6th Symposium on Power Supply Technology for Accelerators, p.149 - 155, 2000/11
no abstracts in English
Ozu, Akira; Kato, Masaaki; Maruyama, Yoichiro
Optics Communications, 177(1-6), p.355 - 361, 2000/04
Times Cited Count：4 Percentile：26.51(Optics)no abstracts in English
Tei, Kazuyoku; Kato, Masaaki; Matsuoka, Fumiaki*; Niwa, Yoshito*; Maruyama, Yoichiro; Matoba, Toru; Arisawa, Takashi
Optical Engineering, 39(1), p.320 - 322, 2000/01
Times Cited Count：5 Percentile：30.89(Optics)no abstracts in English
Yamakawa, Koichi
O plus E, 21(9), p.1137 - 1143, 1999/09
no abstracts in English
Maruyama, Yoichiro; *; Kato, Masaaki; Niwa, Yoshito*; Matsuoka, Fumiaki*; Matoba, Toru; Arisawa, Takashi; Oba, Masaki
Trends in Optics and Photonics;Advanced Solid-State Lasers, 26, p.45 - 48, 1999/00
no abstracts in English
Kurihara, Ryoichi
JAERI-Research 98-043, 106 Pages, 1998/08
JAERI-Research-98-043.pdf:6.65MB
no abstracts in English
Oba, Masaki; Kato, Masaaki; Maruyama, Yoichiro
JAERI-Research 98-035, 12 Pages, 1998/07
JAERI-Research-98-035.pdf:0.62MB
no abstracts in English
Oba, Masaki; Kato, Masaaki; Maruyama, Yoichiro
JAERI-Tech 98-024, 15 Pages, 1998/06
no abstracts in English
Maruyama, Yoichiro; *; Kato, Masaaki; Niwa, Yoshito*; Harayama, Sayaka; Oba, Masaki; Matoba, Toru; Arisawa, Takashi
Advanced Solid State Lasers, 19, p.310 - 313, 1998/00
no abstracts in English
Maruyama, Yoichiro; *; Kato, Masaaki; Niwa, Yoshito*; Harayama, Sayaka; Oba, Masaki; Matoba, Toru; Arisawa, Takashi
Reza Gakkai Kenkyukai Hokoku, p.25 - 29, 1997/12
no abstracts in English
Maruyama, Yoichiro; Kato, Masaaki; Harayama, Sayaka; Oba, Masaki
JAERI-Tech 97-018, 17 Pages, 1997/03
no abstracts in English
Arisawa, Takashi; Maruyama, Yoichiro; Oba, Masaki; Kato, Masaaki;
Reza Kenkyu, 24(3), p.324 - 333, 1996/03
no abstracts in English
Maruyama, Yoichiro; Kato, Masaaki; Oba, Masaki; Arisawa, Takashi
Japanese Journal of Applied Physics, 34(8B), p.L1045 - L1047, 1995/08
Times Cited Count：3 Percentile：51.46(Physics, Applied)no abstracts in English
Ito, Hitoshi; C.K.Jung*; Ishigaki, Isao
Shokuhin Shosha, 24(1-2), p.12 - 15, 1989/00
no abstracts in English
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Nihon Genshiryoku Gakkai-Shi, 29(10), p.929 - 938, 1987/10
Times Cited Count：0 Percentile：0.02(Nuclear Science & Technology)no abstracts in English
