摘要
氡及其衰变子体会对人体产生辐射损伤。高浓度的氡可以致癌,而其具有无色、无嗅及无味的特性,因此难以察觉。据国内外的最新研究结果表明,氡是仅次于吸烟诱发肺病而死亡的第二大病因。对乌鲁木齐市有代表性的商场超市、酒店、娱乐场所以及宾馆的室内氡浓度进行监测,室内氡浓度平均值23.8 Bq/m3,低于国标的400 Bq/m3;并估算出对其内工作人员所造成的年有效剂量为0.137 mSv,低于世界平均值1.008 mSv,对于只作短暂停留的客人来说,所受到的剂量还要低。
The study survived on indoor radon concentration level in some representative shopping malls, supermarkets, ho- tels, entertainment venues and hotels in Urumqi. The average indoor radon concentration is 23.8 Bq/m3, below the national standard of 400 Bq/m3. It is estimated that the annual effective dose on staff working in these places is 0. 137 mSv, lower than the world average of 1. 008 mSv. The dosage is lower for guests stayed only for short periods.
出处
《环境科学与管理》
CAS
2013年第9期48-50,共3页
Environmental Science and Management
关键词
室内氡
浓度
有效剂量
indoor radon
concentration
effective dose
