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103 results on '"MATSUO, Toshiaki"'

1. Abstracts—Dental radiology vol. 42, 2002

Author

Okamura, Kazutoshi, Yoshiura, Kazunori, Tokumori, Kenji, Tanaka, Takemasa, Kanda, Shigenobu, Shimano, Tatsuya, Suzuki, Yosuke, Sasaki, Takehito, Indo, Hiroko, Suei, Yoshikazu, Yamada, Toshikazu, Taguchi, Akira, Tanimoto, Keiji, Chikui, Toru, Matsuo, Toshiaki, Okamura, Kazutoshi, Miwa, Kunihiro, Yuasa, Kenji, Ikeda, Shohei, Kimura, Yukinori, Sano, Tsukasa, Araki, Kazuyuki, Okano, Tomohiro, Sugawara, Yumiko, Komai, Shinya, Shoji, Noriaki, Kuriwada-Satoh, Shizuko, Furuuchi, Toshi, Onodera, Dai, Iikubo, Masahiro, Sakamoto, Maya, Marumo, Machiko, Takahashi, Kazuhiro, Sasano, Takashi, Takahashi, Akira, Sugawara-Takahashi, Chieko, Uemura, Shusaburo, Haruna, Yoshiro, Hanazawa, Tomomi, Harase, Yuichi, Endoh, Atsusi, Seki, Kenji, Matsuda, Yukiko, Morita, Yasuhiko, Kawano, Kazunori, Sato, Tuyoshi, Majima, Hideyuki, Izumi, Yuichi, Sugihara, Kazumasa, Mimura, Tamotu, Kuroe, Kazuto, Ito, Gakuji, Noikura, Takenori, Nakayama, Hitoshi, Takinami, Shuuichi, Nakamura, Motoyasu, Obinata, Ken-ichi, Ohmori, Keiichi, Yamano, Shigeru, Hamahira, Sumiko, Sawamura, Tsuyoshi, Minowa, Kazuyuki, Morita, Yoasuhiko, Honda, Eiich, Indou, Hiroko, Kato, Tuguhisa, Harata, Yasuo, Kawano, Kazunori, Sato, Tuyoshi, Majima, Hideyuki, Izumi, Yuichi, Sasaki, Takehito, and Kimura, Hiroyuki

Published
2003
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6. Syndromic Surveillance Led by Local Health Authorities in Evacuation Centers Following the April 2016 Kumamoto Earthquakes

Author

Tokuda, Koichi, primary, Kawamura, Hideki, additional, Torigoe, Kazumi, additional, Ogawa, Shin, additional, Yoshimori, Miyuki, additional, Miyahara, Hironori, additional, Tachiwana, Seiko, additional, Yoshimitsu, Keiko, additional, Matsuo, Toshiaki, additional, Tsuchiya, Kayoko, additional, and Nishi, Junichiro, additional

Published
2017
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21. ソロモン諸島ガダルカナル島タラウラ村における有用動植物資源と伝統的な利用技術

Author

武田, 淳, 川端, 眞人, 松尾, 敏明, タケダ, ジュン, カワバタ, マサト, マツオ, トシアキ, Takeda, Jun, Kawabata, Masato, Matsuo, Toshiaki, 佐賀大学農学部地域資源学研究室, 神戸大学医学部医学研究国際交流センター, 武田, 淳, 川端, 眞人, 松尾, 敏明, タケダ, ジュン, カワバタ, マサト, マツオ, トシアキ, Takeda, Jun, Kawabata, Masato, Matsuo, Toshiaki, 佐賀大学農学部地域資源学研究室, and 神戸大学医学部医学研究国際交流センター

Published
2000

45. Abstracts—Dental radiology vol. 42, 2002

Author

Okamura, Kazutoshi, Yoshiura, Kazunori, Tokumori, Kenji, Tanaka, Takemasa, Kanda, Shigenobu, Shimano, Tatsuya, Suzuki, Yosuke, Sasaki, Takehito, Indo, Hiroko, Suei, Yoshikazu, Yamada, Toshikazu, Taguchi, Akira, Tanimoto, Keiji, Chikui, Toru, Matsuo, Toshiaki, Okamura, Kazutoshi, Miwa, Kunihiro, Yuasa, Kenji, Ikeda, Shohei, Kimura, Yukinori, Sano, Tsukasa, Araki, Kazuyuki, Okano, Tomohiro, Sugawara, Yumiko, Komai, Shinya, Shoji, Noriaki, Kuriwada-Satoh, Shizuko, Furuuchi, Toshi, Onodera, Dai, Iikubo, Masahiro, Sakamoto, Maya, Marumo, Machiko, Takahashi, Kazuhiro, Sasano, Takashi, Takahashi, Akira, Sugawara-Takahashi, Chieko, Uemura, Shusaburo, Haruna, Yoshiro, Hanazawa, Tomomi, Harase, Yuichi, Endoh, Atsusi, Seki, Kenji, Matsuda, Yukiko, Morita, Yasuhiko, Kawano, Kazunori, Sato, Tuyoshi, Majima, Hideyuki, Izumi, Yuichi, Sugihara, Kazumasa, Mimura, Tamotu, Kuroe, Kazuto, Ito, Gakuji, Noikura, Takenori, Nakayama, Hitoshi, Takinami, Shuuichi, Nakamura, Motoyasu, Obinata, Ken-ichi, Ohmori, Keiichi, Yamano, Shigeru, Hamahira, Sumiko, Sawamura, Tsuyoshi, Minowa, Kazuyuki, Morita, Yoasuhiko, Honda, Eiich, Indou, Hiroko, Kato, Tuguhisa, Harata, Yasuo, Kawano, Kazunori, Sato, Tuyoshi, Majima, Hideyuki, Izumi, Yuichi, Sasaki, Takehito, and Kimura, Hiroyuki

Abstract

Without Abstract:

Published
2004
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46. Effect of LiNO3on Corrosion Prevention of Aluminum Wastes after Their Land Disposal

Author

MATSUO, Toshiaki, MATSUDA, Masami, HIRONAGA, Michihiko, and HORIKAWA, Yoshihiko

Abstract

After their land disposal, LiNO3added to cement solidified miscellaneous wastes inhibits hydrogen gas generation due to alkaline corrosion of aluminum contained in the wastes. We considered the presence of an Li-Al preservation film prevents hydrogen gas generation, and then, we assumed a scenario in which the amount of LiNO3included in the waste packages is lowered by underground water penetration, resulting in dissolution of the Li-Al preservation film. This dissolution allows the alkaline underground water to reach and corrode the aluminum materials. The loss of Na2O and K2O in cement by underground water penetration lowers the pH, so that the aluminum corrosion in the waste packages with LiNO3, expected when the Li-Al preservation film dissolves, is less than that without LiNO3.To test this scenario, we measured solubility of the Li-Al preservation film, Li+ion concentration, pH variation by underground water penetration, and aluminum corrosion when the Li-Al preservation film had dissolved. The measured solubility of the Li-Al preservation film was 3 × 10−4Mat 283 K. At that time, pH was lowered from 12.9—13.0 to 12.2—12.3. As a result, with LiNO3addition the aluminum corrosion amount was reduced to 10% of that without LiNO3addition, because of the pH decrease.

Published
1996
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47. Influence of Increased Temperature from Cement Hydration on Aluminum Corrosion Prevention When LiNO3Is Added to the Cement

Author

Matsuo, Toshiaki, Nishi, Takashi, Izumida, Tatsuo, and Matsuda, Masami

Abstract

AbstractThe influence of increased temperature from cement hydration was checked on aluminum corrosion prevention when LiNO3was added to the cement used for aluminum waste cementation.At first, the temperature at the center of a 0.2-m3cement or mortar form was measured. Then, because the reaction mechanism of LiNO3involves formation of insoluble LiH 2AlO25H2O (Li-Al) preservation film on an aluminum surface, the Li-Al film solubility was measured in a 0.1 M KOH aqueous solution at temperatures from 283 to 353 K. In a second experiment, an aluminum specimen was soaked in a 0.1 M KOH solution with 3 wt% of dissolved LiNO3, and the volume of generated hydrogen gas was measured. Finally, aluminum plates were solidified with mortar in a full-scale test. The mortar mixture contained ordinary portland cement (OPC), blast furnace slag (BFS), and sand with a 1.5 wt% LiNO3addition, and the volume of generated hydrogen gas was measured.When only OPC was used, the temperature increased to ~363 K. With the BFS and sand addition, this temperature increase was reduced by ~40 to 323 K. The Li-Al film solubility became larger as the temperature of the solution increased. The volume of hydrogen gas generation became large as the temperature increased, especially over 323 K. When the mortar consisted of OPC, BFS, sand, and LiNO3, the volume of hydrogen gas generation from aluminum was reduced, becoming <10% of that without the LiNO3addition. Thus, it appears that the temperature did not have much influence on the ability of LiNO3to prevent aluminum corrosion, although the ability was gradually lessened as the temperature increased.

Published
1999
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48. LiNO3Effect on Corrosion Prevention of Aluminum with Complex Shapes

Author

MATSUO, Toshiaki, IZUMIDA, Tatsuo, HIRONAGA, Michihiko, HORIKAWA, Yoshihiko, and SHIOMI, Takayuki

Abstract

The LiNO3effect on aluminum corrosion prevention after land disposal of cement-solidified dry active wastes was examined quantitatively, in the event that the LiH (AlO2)2·5H2O (Li-Al) preservation film was not formed on aluminum surfaces during the solidification process. It is especially probable for these bare surfaces to be left when the wastes include components of complex shapes. LiNO3dissolves from the waste forms into underground water to form the Li-Al preservation film. So, we thought that the LiNO3addition would prevent the corrosion. We measured the volume of hydrogen gas generation in mortar-soaked water during the Li-Al preservation film formation, as functions of LiNO3addition amount, the weight ratio of water to mortar when the mortar-soaked water was produced, and the aluminum surface area, to quantify the effect.We found that aluminum corrosion was inversely proportional to the LiNO3addition. For the corrosion to be less than 10−5m in 103h, the initially added amount of LiNO3must be 1.5wt% of the sum of cement and sand. Regardless of the weight ratio of water to mortar when the mortar-soaked water was produced, hydrogen gas generation with LiNO3was 10% as much as that without it, in 5 x 103h. Because of the Li-Al preservation film formation reaction, hydrogen gas generation was proportional to the cubic root of the aluminum surface area.

Published
1997
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49. Studies on the use of soft laser in oral surgery

Author

Ogawa, Takashi, primary, Kudoh, Taiichi, additional, Satoh, Kohji, additional, Ida, Shuji, additional, Yamada, Yozo, additional, Ogawa, Atsushi, additional, Matsuo, Toshiaki, additional, Narita, Yoshihiro, additional, Uchida, Yasunobu, additional, and Aizawa, Katsuo, additional

Published
1987
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