2 0 0 0 薬物溶出性ステント留置後の再血行再建術施行予測因子の検討
- 著者
- 柳 大三郎 白井 和之 森 憲 池 周而 コスタンティニ コスタンティノ O. コスタンティニ コスタンティノ R. 西川 宏明 ミラー ネイサン 張 波 土屋 芳弘 浦田 秀則 朔 啓二郎
- 雑誌
- Journal of cardiology (ISSN:09145087)
- 巻号頁・発行日
- vol.49, no.2, pp.63-67, 2007-02-15
- 参考文献数
- 11
- 著者
- 朔 啓二郎 張 波 野田 慶太
- 出版者
- 一般社団法人 日本内科学会
- 雑誌
- 日本内科学会雑誌 (ISSN:00215384)
- 巻号頁・発行日
- vol.100, no.12, pp.3679-3686, 2011 (Released:2013-04-11)
- 参考文献数
- 10
- 被引用文献数
- 1 1
- 著者
- 秋山 英二 李 松杰 片山 英樹 張 波萍 趙 楷 押川 渡
- 出版者
- 一般社団法人 日本鉄鋼協会
- 雑誌
- 鉄と鋼 (ISSN:00211575)
- 巻号頁・発行日
- vol.103, no.2, pp.93-100, 2017
<p>Electrochemical hydrogen permeation tests were carried out under controlled temperature and humidity using pure Fe sheet specimens outdoor-exposed at Beijing and Chongqing, China and Okinawa, Japan in order to understand the effect of environmental factors on hydrogen uptake behavior. The maximum hydrogen permeation current densities of the exposed specimens were in the order of Beijing > Chongqing >> Okinawa, while the order of the degree of corrosion of the specimens was Okinawa > Chongqing >> Beijing. X-ray fluorescence analysis showed that the surface concentrations of sulfur on the Beijing- and Chongqing-exposed specimens were higher than that of the Okinawa-exposed specimens, whereas chlorine concentrations of the Beijing and Okinawa-exposed specimens were higher than that of the Chongqing-exposed specimen. Nitrate concentrations of Beijing- and Chongqing-exposed specimens evaluated using nitrate test strips were obviously higher than that of the Okinawa-exposed specimens. It is suggested that air pollutants such as SO<sub>2</sub> and NO<sub>2</sub> and particulate matters containing inorganic acid ions, likely sulfate and nitrate ions, and possibly organic acids contribute to acidification of rust layer leading to the enhanced hydrogen entry.</p>