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目前各水氡点所出现水氡月均值曲线呈年周期性变化,只能说是一种现象,不能说其“年变”,它是由测试时水样脱气温度和仪器K值造成,是可以定量排除的。测试条件随机变化所造成水氡测值的变化,主要是温度这个问题。目前绝大多数测氡点,由于条件所限,没有在恒温条件下脱气,使水样脱气温度在一年之中相差很大。当这一干扰因素压倒其
At present, the monthly mean value of water radon radon point appears annual change curve, can only be said to be a phenomenon, can not say its “annual change”, it is caused by the water temperature degassing test and instrument K value, It can be quantitatively excluded. Changes in water radon measurements caused by random changes in the test conditions, the main problem is the temperature. At present, the vast majority of measured radon point, due to the conditions of limited, no degassing under constant temperature conditions, the water sample degassing temperature varies greatly in a year. When this interference is overwhelming