成都施用磷肥中镭(^(226)Ra)含量调查及对农田环境影响评价  

Investigation on ^(226)Ra Content of Phosphate Fertilizer Applied in Chengdu Area and Its Environmental Impact Assessment on Farmland

作　　者：蒋德松[1] 龚怀宇[1] 赵强[1] 李光藻[1] 

机构地区：[1]成都市卫生防疫站,610021

出　　处：《四川环境》1993年第4期61-63,共3页Sichuan Environment

摘　　要：本文报道了成都磷肥及其原料矿石中外照射剂量水平;用国家标准规定的方法测定了磷肥及其矿石中^(226)Ra含量;调查了同一生产厂家不同批号磷肥中^(226)Ra含量变化情况;估算出施用磷肥后可能带来的放射性环境污染,并对磷肥中^(226)Ra可能导致的农田环境影响作了简要评价。This paper reported the level of exposure dosage of phosphate fertilizer and its ores in Chengdu; Analysed the ^(226)Ra content of phosphate fertilizer according to the national standard method. Ivnestigated thd variation of ^(226)Ra content in different phosphate fertilizer products in the same factory. Estimated the potential radiative pollution and simply assessed the potential environraertal impact on farmland.

关 键 词：磷肥 照射量率 附加剂量 ^226RA 环境影响 评价 

分 类 号：X828[环境科学与工程—环境工程]