Investigation of natural radionuclide contents in soil in Heilongjiang Province 黑龙江省土壤中天然放射性核素含量调查
In this paper upon a survey data and referents dose modeling of inside and outside exposure dose is built, the limit on specific activity of natural radionuclide and exposure rate for products contained industrial waste slags in building materials industry is determined. 本文从实测数据和有关文献资料出发,建立了放射性内外照射剂量模式,提出了有关掺渣建材产品中天然放射性核素比活度的控制标准和γ照射量率的检验规定。
The enrichment principle and pollution way of fly-ash in the coal, measure methods and detection standard of natural radionuclide contents were analyzed. 详细分析了放射性物质在燃煤中的富集规律,以及粉煤灰中放射性物质的污染影响途径。
Uranium deposit has features which are similar to those of concepts of deep geological disposal for high level radioactive waste which are developed internationally at present. The natural analogue study of uranium deposits is an available way to understand the radionuclide migration behavior in geological environment. 铀矿床具有目前国际上开发的高放废物深地质处置概念的相似特征,对其开展天然类比研究,是认识核素在地质环境中迁移行为的一种有效方法。
Determination of natural radionuclide level in industrial waste slags and evaluation of comprehensive utilization 工业废渣天然放射性核素水平及综合利用评价
While coal power chain transfer the natural radionuclide in coal into environment during coal combustion. 煤电链由于燃煤将煤中天然放射性核素转移到环境中。
Gamma-ray spectrometry is an important nuclear geophysical exploration method, which can be used to get the content of ground natural radionuclide uranium, thorium, potassium. 航空伽马能谱是能够用来获得地面天然放射性核素铀、钍、钾含量的一种核地球物理勘探方法。