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32.地震回数計 : その試作と観測結果
https://doi.org/10.15083/0000033442
https://doi.org/10.15083/000003344223e1b86e-5649-40b6-9012-ff9731338847
名前 / ファイル | ライセンス | アクション |
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ji0463012.pdf (631.0 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2008-05-30 | |||||
タイトル | ||||||
タイトル | 32.地震回数計 : その試作と観測結果 | |||||
言語 | ja | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.15083/0000033442 | |||||
ID登録タイプ | JaLC | |||||
その他のタイトル | ||||||
その他のタイトル | 32. A Seismo-counter | |||||
著者 |
柴野, 睦郎
× 柴野, 睦郎× 佐々木, 幸一× 松本, 滋夫 |
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著者別名 | ||||||
識別子 | 130600 | |||||
識別子Scheme | WEKO | |||||
姓名 | Shibano, Mutsuro | |||||
著者別名 | ||||||
識別子 | 130601 | |||||
識別子Scheme | WEKO | |||||
姓名 | Sasaki, Koichi | |||||
著者別名 | ||||||
識別子 | 130602 | |||||
識別子Scheme | WEKO | |||||
姓名 | Matsumoto, Shigeo | |||||
著者所属 | ||||||
著者所属 | 地震研究所 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The authors designed a simple seismic instrument which counts the number of small earthquakes, automatically. The seismo-counter consists of a short-period pick-up, amplifiers, squaring circuits and a series of flip-flop circuits, and drives an electro-magnetic counter only when it receives a seismic signal exceeding both the pre-set level of amplitude and the pre-set pulse rate. In this way, it counts the number of seismic events accurately being unaffected by simple pulse signals as often origined from artificial noise sources. The authors reconstructed <three four>sets of the seismo-counters and operated them successfully to register the daily frequency of earthquake occurrence at several localities in and around the Matsushiro seismic area. | |||||
書誌情報 |
東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo 巻 46, 号 3, p. 697-705, 発行日 1968-07-25 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00408972 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00162258 | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
日本十進分類法 | ||||||
主題 | 453 | |||||
主題Scheme | NDC | |||||
出版者 | ||||||
出版者 | 東京大学地震研究所 | |||||
出版者別名 | ||||||
Earthquake Research Institute, University of Tokyo |