Determination of the ambient dose equivalent H*(10) at high-altitude cities using a NaI(Tl) scintillator [0.03%]
利用NaI(Tl)闪烁计数器测定高原城市环境剂量当量H*(10)
Carlos Lorenzo Nina Choque,Hugo Marcelo Rivera Bretel
Carlos Lorenzo Nina Choque
The ambient dose equivalent rate H*(10) was determined at various locations in the metropolitan area of the cities of La Paz and El Alto in Bolivia. A NaI(Tl) scintillation detector was employed to infer the gamma-ray fluence, and the fluen...
From age-specific to size-specific dose protocol for paediatric head computed tomography: a simple practical strategy for necessity assessment and parameter setting [0.03%]
从特定年龄剂量方案到特定体型剂量方案在儿科头部CT中的应用：一个简便实用的必要性评估与参数设置策略
Liwei Hu,Rongzhen Ouyang,Jing Li et al.
Liwei Hu et al.
This study proposes a practical approach to assessing the need for and determining the transitioning parameters from age-specific to size-specific dose protocols in paediatric head computed tomography examinations. It was designed to begin ...
Monte Carlo simulation study of the effect of thyroid shielding on radiation dose in dental cone beam CT in an adult male phantom [0.03%]
成人男性体模头颈部CT球管防护对口腔锥形束CT辐射剂量影响的蒙特卡罗模拟研究
Guolin Chen,Yuchen Yin,Liang Sun et al.
Guolin Chen et al.
In this paper, the effect of thyroid collars on radiation dose during dental cone-beam computed tomography (CBCT) was evaluated using Monte Carlo simulations and to calculate the effective dose underestimated for the actual CBCT examination...
Assessment of radiological contamination due to gold mining in soil and food crops of Babban Tsauni, Gwagwalada, Nigeria [0.03%]
尼日利亚古瓦沃尔达巴布坦苏尼地区金矿放射性污染的评估：土壤和农作物中的放射性检测及分析
Kafayat Abdulrasheed Odelami,Mark Omotola Afolayan Oladipo,Michael Akor Onoja et al.
Kafayat Abdulrasheed Odelami et al.
This work assessed the activity concentrations of 238U(226Ra), 232Th, and 40K and their associated radiological risks due to exposure to soil and consumption of food crops in Babban Tsauni artisanal gold mine, Gwagwalada, Nigeria, using the...
Determination of natural radioactivity levels in soil samples from irrigated vegetable farming land in and around Addis Ababa, Ethiopia [0.03%]
利用液体闪烁计数法测定埃塞俄比亚亚的斯亚贝巴及其周边灌溉蔬菜农田表层土壤中天然放射性核素含量
Tamiru Bayissa Hundie,Tilahun Tesfaye Deressu
Tamiru Bayissa Hundie
Soil samples were collected from vegetable agricultural areas in and around Addis Ababa, and their levels of radioactivity were measured. Gamma spectrometry with high-purity germanium detector was used to quantify radioactivity level. The a...
The out-of-plane contact shield and mA-modulation - the effect on fetal absorbed dose [0.03%]
横向接触屏蔽及mA调制对胎儿吸收剂量的影响研究
Heli R S Larjava,Chibuzor T M Eneh,Aleksi Saikkonen et al.
Heli R S Larjava et al.
The effect of patient shielding on fetal radiation dose was evaluated in computed tomography pulmonary angiography with the out-of-plane shield visible in the localizer but absent in the scan range in chest computed tomography (CT). An anth...
Regulatory requirements to support a specific regulation of oil norm waste in Brazil [0.03%]
支持巴西特定石油规范废物监管的法规要求
Amanda Gomes Lopes,Francisco Cesar Augusto Da Silva,Ricardo Tadeu Lopes
Amanda Gomes Lopes
The oil and natural gas industry is one of the largest producers of Naturally Occurring Radioactive Material (NORM) worldwide. The scale and sludge are NORM wastes with the highest activity concentration levels, reaching 3500 Bq per g of 22...
Assessment of local diagnostic reference levels (LDRLS) for full-field digital mammography (FFDM) and digital breast tomosynthesis (DBT) mammography in Tamil Nadu, India [0.03%]
印度泰米尔纳德邦全胸片数字乳房X线摄影和数字乳房断层合成摄影的本地诊断参考水平评估
Saravana Kumar Adhimoolam,Sudhir Kumar,Thangavel Manojkumar et al.
Saravana Kumar Adhimoolam et al.
The purpose of this study was to assess local diagnostic reference levels (LDRLs) for full-field digital mammography (FFDM) and digital breast tomosynthesis (DBT) mammography in India. Data from 1500 women were collected from five different...
A comparative study of the elevated radioactivity in beach placer deposits of Bangladesh [0.03%]
孟加拉国海滩富集沉积物中放射性升高现象的比较研究
Md Moniruzzaman,Edyta Łokas,Jerzy Mietelski et al.
Md Moniruzzaman et al.
Beach sediments are mineral deposits formed through weathering and erosion of either igneous or metamorphic rocks. Among the rock constituent minerals are some natural radionuclides that contribute to ionizing radiation exposure on Earth. K...
Comparative Study
Radiation protection dosimetry. 2024 Nov 18;200(19):1918-1925. DOI:10.1093/rpd/ncae201 2024
Establishment of typical values in cerebral thrombectomy according to the stroke anatomical region and procedure clinical outcome [0.03%]
根据卒中解剖区域和手术临床结局建立脑血栓切除术的典型值
Rogério Lopes,Joana Santos
Rogério Lopes
The aim of the study is to establish local diagnostic reference levels (DRLs) in cerebral thrombectomy, according to the anatomical region of ischemic stroke. This is a retrospective study from a single center involving 255 examinations. Th...