Soil erosion estimation using 137Cs and 210Pb radionuclides in the Upper Ikopa catchment, Madagascar [0.03%]
利用137Cs和210Pb放射性核素估算马达加斯加伊科帕河流域土壤侵蚀量
Ramanantoanina Silvère Tsaravola,Geneviève Bordeleau,Saeid Homayouni et al.
Ramanantoanina Silvère Tsaravola et al.
In Madagascar, the Ikopa River flows through the capital, Antananarivo, and serves as the city's main water source. Soil degradation in the watershed reduces agricultural productivity and pollutes downstream waters by transporting eroded ma...
134Cs and 137Cs concentrations in surface air at Chiba City, Japan during 2016 to 2023: 137Cs/239+240Pu activity ratio as a proxy of late effects of Fukushima Dai-ichi Nuclear Power Station accident [0.03%]
日本千叶市2016至2023年空气中¹³⁴Cs和¹³⁷Cs浓度：用¹³⁷Cs/²³⁹Pu+²⁴⁰Pu比值作为福岛第一核电站事故后期影响的代理指标
Soichiro Suzuki,Goh Abe,Wataru Nitta et al.
Soichiro Suzuki et al.
To elucidate current levels of 134Cs and 137Cs in surface air at Chiba City, we carried out measurements of their radionuclides during the period from March 2016 to December 2023. The 137Cs activity concentrations in surface air exhibited g...
Laboratory investigation of the relationship between soil surface radon exhalation rate and temperature under high-humidity stable conditions [0.03%]
高湿度稳定条件下土壤表层氡析出率与温度关系的实验室研究
Chenxi Zu,Haibo Yi,Zhongkai Fan et al.
Chenxi Zu et al.
Radon in soil is a major source of indoor radon, and its surface exhalation rate is controlled by several environmental factors, among which temperature plays a critical role. To investigate the influence of soil surface temperature on rado...
Long-term measurements of 222Rn in soil gas and at different height levels in Amazon Amazon tall tower observatory [0.03%]
亚马逊通量观测塔长期土壤氡气及不同高度大气本底浓度监测
P S C Silva,B Tappiz,M F Maduar et al.
P S C Silva et al.
Emitted from soil as a radioactive noble gas, 222Rn has the potential to be used as a tracer for greenhouse gases. In the atmosphere, it undergoes transport and mixing processes that depend on climatological factors. Therefore, studying fac...
Research on the relationship between electrical conductivity and uranium concentration in sandstone-hosted uranium in-situ leaching based on a CA-CNN-BiLSTM-LightGBM hybrid model [0.03%]
基于CA-CNN-BiLSTM-LightGBM混合模型的砂岩型铀原地浸矿床电导率与铀浓度关系研究
Zhenhua Wei,Shengyu Zhong,Zhifeng Liu
Zhenhua Wei
During in-situ leaching (ISL) of sandstone-hosted uranium deposits, electrical conductivity (EC) is strongly coupled with leachate uranium concentration (U). As a key monitoring indicator reflecting solution ionic strength and seepage-chann...
Brain and red bone marrow dose coefficients for children and adults chronically exposed to radon as basis for brain tumor and leukemia risk analysis [0.03%]
基于慢性接触氡致脑肿瘤和白血病风险分析的儿童及成人脑和红骨髓吸收剂量系数研究
Vladimir Spielmann
Vladimir Spielmann
Context: Studies correlating radon exposure and incidence are inconclusive. However, despite the low estimated doses, a relationship between radon and brain tumors or leukemia may exist. To investigate the relationship be...
Sediment dynamics and heavy metal historical trends in Câşla and Somova lakes (Danube Delta, Romania) [0.03%]
罗马尼亚多瑙河三角洲Câşla和Somova湖泊的沉积动力学和重金属历史趋势
Nicoleta Bican-Brişan,Carmen Roba,Dan Niță et al.
Nicoleta Bican-Brişan et al.
This study investigates sedimentation rates and historical trends of heavy metal concentrations in two lakes (Câşla and Somova), part of the Somova-Parcheş aquatic complex, located in the predeltaic sector of Danube Delta (Tulcea - Roman...
Radiological assessment of petroleum source rocks from the Middle Magdalena Valley basin in Colombia [0.03%]
哥伦比亚中马格达伦河谷盆地石油源岩的放射性评价
J L Guerrero,R A Echavez,A Barba-Lobo et al.
J L Guerrero et al.
Colombia is currently assessing unconventional hydrocarbon reservoirs; however, despite over five decades of conventional oil and gas operations, systematic radiological studies of petroleum formations remain scarce. To address this gap, ei...
Evaluation of air purifiers' effectiveness for removing radioactive aerosols indoors [0.03%]
空气净化器去除室内放射性气溶胶的效果评估
Theodor Adam,Petr Otáhal,Michael Komárek
Theodor Adam
Air purifiers with different purification principles and airflow rates were tested under controlled, yet realistic, indoor conditions in an office environment. A stable aerosol atmosphere was generated using a NaCl solution aerosol with a d...
Modeling gamma radiation intensity in monazite rich coastal environments using neural network [0.03%]
利用神经网络模型独居石丰富的沿海环境中的伽马射线强度
Miriam Mathias Gigi,Marcos Tadeu D&#x;Azeredo Orlando,Jacyra Soares
Miriam Mathias Gigi
Meaipe beach, in Espirito Santo, Brazil, is a high background radiation area due to monazite-rich sands containing thorium, whose decay releases thoron (220Rn). This coastal region has been linked to both physiological benefits and adverse ...