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您的检索式：作者名="Samson Dauda Yusuf"
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| 1 | Toxicity of Radon-222 in Groundwater across Keana in Nasarawa,Nigeria显示文摘The most common supply of freshwater for drinking,irrigation,and other domestic uses is groundwater;however,because of increased radon concentrations brought on by mining activities,its quality is still a severe concern.Using a liquid scintillation detector,this study investigated the radon content,its related toxicity,and its risk to human health in the groundwater of the Keana in Nasarawa,Nigeria.Ten(10)borehole samples and five(5)well samples totaling fifteen(15)groundwater samples were taken.The results showed that the average radon concentration in water samples from Keana was 2.25 Bq/L.The mean annual effective dosage(ingestion)for adults and children in Keana was 0.016 mSv/y and 0.027 mSv/y,respectively.In Keana,the additional lifetime cancer risk per adult was 5.65×10^(-5),and per child,it was 8.79×10^(-5).The study’s radon concentration was lower than the benchmark of 11.1 Bq/L established in 1991 by the Nigerian Standard Organization and the US Environmental Protection Agency.The results of this study indicate that the level of radon is safe;as a result,people can continue farming and other activities.To reduce the risk of cancer,however,more research could be done in the area.Further research should be done by looking at additional sources in the study area in order to cover the entire zone.Further investigation should be carried out both during the dry and wet seasons because radon concentrations in groundwater alter over time due to dilution by recharge from rainfall. | Abubakar Saidu Bako Usman Rilwan Ibrahim Umar Samson Dauda Yusuf Idris Muhammad Mustapha Abdullahi Abubakar Mundi Ibrahim Maina | 2023 | Advances in Geological and Geotechnical Engineering Research2023，5，2： | 0 |
| 2 | Identification of Medical and Industrial Used Radioisotopes in Mining Sites of Nasarawa,Nasarawa State,Nigeria显示文摘This research intends to unveil the presence of radioisotopes in the soil of some mining sites in Nasarawa of Nasarawa state using thermos-scientific interceptor(IdentiFINDER).The work aimed at detecting the presence,types and trust level of radioisotopes.The result showed that,103Pd and 125I were found in 57%of the total points and the percentage abundance of the detector reached 50-65%indicating that,those radioisotopes are likely found in the area,109Cd was found in 15%of the total areas.The percentage abundance of the detector for 109Cd shows 50%indicating that,those radioisotopes are likely to be found in the area,241Am was found in 7%of the total areas.The percentage abundance of the detector for 241Am shows 81%indicating that,those radioisotopes are likely found in the area,235U was found in 7%of the total points.The percentage abundance of the detector for 235U reaches 57%indicating that,those radioisotopes are likely found in the area,75Se was found in 7%of the total points.The percentage abundance of the detector for 75Se was in abundance up to 57%indicating that,those radioisotopes are likely gotten in the area and 57Co was gotten in 7%of the total areas.The percentage abundance of the detector for 57Co was 54%indicating that,those radioisotopes are likely to be gotten in the area.Based on this high percentage abundance of the detector for these radioisotopes,they can be harnessed and applied appropriately in medicine and industry. | Rilwan Usman Umar Ibrahim Samson Dauda Yusuf Idris Muhammad Mustapha Emmanuel Ifeanyi Ugwu Olatunji Samuel Ayanninuola | 2022 | Journal of Oncology Research2022，4，1： | 0 |
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