著者

武次 潤平 糸島 千都 榊原 勝己

出版者

一般社団法人電子情報通信学会

雑誌

電子情報通信学会総合大会講演論文集

巻号頁・発行日

vol.2009, no.2, 2009-03-04

著者

榊原 博樹 古川 博史 中村 慎吾 赤座 〓 冨樫 正人 吉岡 巌 内藤 龍雄 上平 知子 佐賀 務 末次 〓

出版者

一般社団法人 日本アレルギー学会

雑誌

アレルギー

巻号頁・発行日

vol.40, no.3, 1991

著者

木村 博志 松岡 博 森 芳弘 近藤 禎樹 榊原 聡

出版者

一般社団法人日本機械学会

雑誌

生産加工・工作機械部門講演会 : 生産と加工に関する学術講演会

巻号頁・発行日

vol.2004, no.5, pp.77-78, 2004-11-19

---

We developed a high-speed vision robot system that can be applied to various types of products. The developed system consists of a robot with cameras and lights, and a computer for teaching and image processing. In the system many points on any faces of the product can be inspected without stopping with the help of the developed robot path planning and the synchronous method between robot path and image input. Moreover, we developed standard inspection algorithm and unified environment for robot and vision teaching. Therefore the teaching operation can be done without programming. This system is currently in use in our plants so that it can be helpful in keeping high quality of products.

著者

榊原 博樹 津田 美奈子 谷口 正実 佐賀 務 末次 勸

出版者

一般社団法人 日本アレルギー学会

雑誌

アレルギー

巻号頁・発行日

vol.44, no.3, 1995

著者

榊原 正幸 上原 誠一郎

出版者

一般社団法人 日本鉱物科学会

雑誌

岩石鉱物科学 (ISSN:1345630X)

巻号頁・発行日

vol.35, no.1, pp.3-10, 2006 (Released:2006-03-01)

参考文献数

29

被引用文献数

2 1

---

The term asbestos is a generic designation given to six types of naturally occurring mineral fibers that are or have been used in commercial products. These fibers belong to two mineral groups: serpentines and amphiboles. The serpentine group contains a single asbestiform variety: chrysotile. The amphibole group contains five asbestiform amphibole varieties: anthophyllite, grunerite (amosite), riebeckite (crocidolite), tremolite and actinolite.     These fibrous minerals share several properties which qualify them as asbestiform fibers. They are bundles of fibers which can be easily cleaved into thinner fibers. Several properties that make asbestos so versatile and cost effective are high tensile strength, chemical and thermal stability, high flexibility, and low electrical conductivity.     Asbestos fibers have been used in a broad variety of industrial application; some 3000 applications such as roofing products, gaskets, and friction products. 80% of imported asbestos is used for cement products such as asbestos boards and slates which are used for building materials, 7% for friction materials, and less than 3% for asbestos textile. Nearly all of the asbestos produced worldwide is chrysotile. Historically, chrysotile has accounted for more than 90% of the world’s asbestos production, and it presently accounts for over 99% of the world production. Two types of amphiboles, commonly designated as amosite and crocidolite are no longer mined. With the onset of the health issues concerning asbestos in the late 1960s and early 1970s, world production and consumption began to decline during the 1980s. Japan used approximately 6.7 million tons between 1974 and 2004. About 67% of this amount was used since 1930.     The relationship between workplace exposure to airborne asbestos fibers and respiratory diseases is one of the most widely studied subjects of modern epidemiology. The research efforts resulted in significant consensus that asbestos fibers can be associated with diseases of asbestosis, lung cancer and mesothelioma. Its carcinogenic nature, an overall lack of knowledge of minimum safe exposure levels, and the long latency for the development of lung cancer and mesothelioma are the main contributing factors to these controversies.