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五泉山水化(水氡)观测站于1981年9月份正式投入观测,使用的仪器是自记测氡仪和FD—125型射气仪。水源为西龙口泉水多个逸出孔封流两路管道,一路引入观测站内做为自记测氡,一路在山崖上做为日观测取样。自1981年9月底以来,自记测氡值除数据间断外,大都在7.5—8.0埃曼范围内,但日观测的氡值却出现了显著的趋势下降(图1),下降幅度达21%。
Wuquan Mountain hydration (water radon) observation station in September 1981 formally put into observation, the instruments used are self-measuring radon and FD-125-type radiometer. Water source for the West Longkou multiple escape hole sealing flow of two pipes, all the way into the observation station as a self-test radon, all the way in the cliff as a daily observation sample. Since the end of September 1981, radon values recorded mostly fall within the 7.5-8.0 Eman range except for discontinuities in the measured radon values, but the observed radon values have shown a significant downward trend (Figure 1), a decrease of 21% .