以下为句子列表：
英文: A quantitative appraisal of the prospect of uranium mineralization is completed based on a set of hydrochemical data acquired from the known in-situ leachable sandstone-type uranium, including radon content, acid-alkali ratio, oxidized and reduced electro
中文: 但是在找铀过程中仅用水化学成份、氡含量、酸碱度和氧化还原电位等数值进行描述，说明它们与铀矿化的关系，这种单一因素的描述不能综合反映与铀矿化的联系程度，以定量评价铀矿化与上述因素的关系，从而影响了水化学找矿的效果。
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英文: Abstract: This paper deals with the sources and harmfulness of environmental radon,analyses the geological background of radon in the urban district of Beijing and some basic measures for preventing and reduciang radon,and emphatically points out that ind
中文: 文摘:论述了环境氡的来源、危害，着重分析了室内氡的主要来源是地基岩石、土壤，分析了北京市区氡的地质背景和防氡与降氡的一些基本措施。
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英文: According to the results from calculation by theory equation, the Beijing city is divided into four zones based on radon geological potential.
中文: 理论计算结果表明，北京市区氡的地质潜势分为四个不同的区，不同潜势区中室内氡浓度水平发生相应变化。
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英文: According to the results, a positive correlation between radon concentration and pressure, relative humidity, and a negative correlation between temperature were appeared.
中文: 结果表明，该室内空气中氡浓度的变化规律与气压、相对湿度成正相关，与温度成负相关。
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英文: Any of several radioactive gases that are isotopes of radon and are products of radioactive decay.
中文: 射气几种氡的同位素的放射性气体，是放射性物质衰变的产物
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