1 0 0 0 顔面神経麻痺
- 著者
- 山田 啓之 羽藤 直人
- 出版者
- 医学書院
- 雑誌
- 耳鼻咽喉科・頭頸部外科 (ISSN:09143491)
- 巻号頁・発行日
- vol.91, no.5, pp.63-66, 2019-04-30
当直医へのコール ●Bell麻痺:一側の顔面神経麻痺のみを呈し,他の脳神経麻痺などの随伴する症状がない症例 ●Ramsay Hunt症候群:顔面神経麻痺のほかに難聴やめまいも呈している症例 ●外傷性麻痺:事故などで頭部外傷を受傷した症例 ●脳梗塞:一側の顔面神経麻痺を呈しているが,前頭筋の麻痺がない症例
1 0 0 0 OA ベーマイト皮膜の生成および耐食性におよぼす水の純度の影響
- 著者
- 山田 啓之 岡本 常義
- 出版者
- 一般社団法人 軽金属学会
- 雑誌
- 軽金属 (ISSN:04515994)
- 巻号頁・発行日
- vol.21, no.6, pp.405-412, 1971-06-30 (Released:2008-07-23)
- 参考文献数
- 8
- 被引用文献数
- 1
The effects of the purity of water upon The formation and corrosion resistance of boehmite film were studied with electron microscope and electron microprobe analyzer.The following results were obtained.(1) Boehmite films formed in city water containing various kinds of impurities had smaller thickness and lower corrosion resistance and were more blackish as compared with those formed in deionized water.(2) The composition and corrosion resistance of boehmite films formed in deionized water were nearly constant independent of the value of specific resistivity, when its value was not lower than 100, 000 Ωcm.(3) As the results of study with electron microprobe analyzer, it was concluded that the boehmite films formed in city water containing Si and Ca elements showed blackening and the decrease in film thickness and corrosion resistance, all of which chiefly depended upon SiO2, but scarcely upon CaCO3.
