survey meter
An instrument sensitive to ionizing radiations used in prospecting for radioactive deposits.
Not having been widened.
(dialect) Alternative form of yonder
(organic chemistry, transitive) To remove a group from (a quaternary ammonium compound) to yield a tertiary amine.
地質学者は露頭に放射線検出器をかざして、放射性鉱石の痕跡を探した。
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DiQt
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