FACTORS INFLUENCING FLUOROSCOPY TIME IN ENDOVASCULAR TREATMENT OF ABDOMINAL ANEURYSMS: A RETROSPECTIVE STUDY [0.03%]
腹主动脉瘤血管内治疗过程中透视时间影响因素的回顾性研究
Fotios O Efthymiou,Stavros K Kakkos,Vasileios I Metaxas et al.
Fotios O Efthymiou et al.
Patients who undergo endovascular aortic aneurysm repair (EVAR) may require prolonged radiation exposure affected by several factors. The objectives of this study were to document fluoroscopy time (FT) during EVAR and identify possible fact...
RADIOACTIVE AEROSOL SEPARATION CHARACTERISTICS STUDY OF A NOVEL SUBMICRON VIRTUAL IMPACTOR [0.03%]
新型亚微米虚拟撞击器富集特性研究
Zeyin He,Lv Hu,Chuan Yang
Zeyin He
With the intention of man-made radioactive aerosol separating and monitoring in a high radon environment, in this paper, a novel submicron virtual impactor was developed, and a numerical simulation model was established. Then, the rationali...
Ahmed M Maghraby,A Ahmed Monem,H M Eissa
Ahmed M Maghraby
A new dosimetry system based on di-sodium tartrate was investigated. Unirradiated and irradiated sample spectra were recorded and described. Effects of the change in microwave power and modulation amplitude values on the signal amplitude an...
SEDIMENT RADIOACTIVITY LEVELS DETERMINATION WITH THE HEALTH RISK ASSESSMENTS IN CHEFA RIVER BASIN [0.03%]
彻法河盆地沉积物放射性水平及健康风险评估
Tadesse Abate,Sitotaw Eshete
Tadesse Abate
The activities of the naturally occurring radionuclides 232Th, 226Ra, 40K and 238U of the shore sediments in the South Gondar Zone were determined and used to evaluate radiation hazards in the study spots. The activities of 232Th, 226Ra, 40...
STUDIES ON RADIATION SHIELDING PROPERTIES OF NEWLY DEVELOPED HIGH-DENSITY CONCRETE FOR ADVANCED RADIOTHERAPY FACILITIES [0.03%]
新型高密度混凝土材料的屏蔽性能研究及其在先进放射治疗设施中的应用
Amanjot Kaur,G Sahani,Manish Mudgal et al.
Amanjot Kaur et al.
The linear attenuation coefficients and tenth-value layers are determined experimentally for the newly developed Cement-based high-density Concrete and Fly-Ash-based Geopolymer high-density Concrete using Red-Mud-based synthetic aggregate m...
RADIATION DOSE OF THE EYE LENS IN CT EXAMINATIONS OF THE BRAIN IN CLINICAL PRACTICE-THE EFFECT OF RADIOGRAPHER TRAINING TO OPTIMISE GANTRY TILT AND SCAN LENGTH [0.03%]
临床实践中脑部CT检查时的晶状体辐射剂量——训练技术员优化球管倾斜和扫描长度以达到最佳效果的影响
Jeremias Tarkiainen,Miia Nadhum,Annele Heikkilä et al.
Jeremias Tarkiainen et al.
Lenses are always exposed to radiation in brain computed tomography (CT) scans. However, the lens dose can be reduced by excluding lens from scanning area by optimising gantry tilt and scan length. The object of this study is to retrospecti...
ABSORBED DOSE AND IMAGE QUALITY ACCORDING TO THE SCAN MODE AND SHIELD POSITION IN PEDIATRIC BRAIN COMPUTED TOMOGRAPHY SCANS [0.03%]
儿童脑部CT扫描中不同扫描模式及屏蔽位置的吸收剂量和图像质量研究
Eunmi Bae,Youngkwon Cho,Sungchul Kim
Eunmi Bae
In this study, computed tomography dose index (CTDIvol), dose-length product (DLP), organ dose and signal-to-noise ratio (SNR) were measured in pediatric brain helical and volumetric CT scans using a pediatric phantom (equivalent to a 10-ye...
NUCLEAR MEDICINE PROCEDURE VOLUME AND ESTIMATION OF COLLECTIVE EFFECTIVE DOSE IN TAMIL NADU TOWARDS THE ESTABLISHMENT OF DIAGNOSTIC REFERENCE LEVEL [0.03%]
泰米尔纳德邦核医学工作量及集体有效剂量估算用于建立诊断参考水平
M Senthil Kumar,C Senthil Kumar,R U Parmar et al.
M Senthil Kumar et al.
With an objective to establish adult diagnostic reference levels in the practice of nuclear medicine (NM) in the state of Tamil Nadu (TN), data on the predominant NM procedures carried out in the state are analyzed. In this study, data on t...
REDUCTION OF THE COMPUTED TOMOGRAPHY DOSE TO THE GONADS OF ADOLESCENT AND YOUNG ADULT MALES THROUGH USE OF A TUNGSTEN-CONTAINING RUBBER SHEET [0.03%]
使用含钨橡胶片降低青少年和年轻男性CT检查中生殖腺的辐射剂量
Hiroyuki Kosaka,Mikoto Tamura,Shota Hattori et al.
Hiroyuki Kosaka et al.
This study aims to measure the shielding effect of a novel tungsten rubber sheet (TRS) on the exposure of male gonads to ionizing radiation during upper abdominal and abdominal plus pelvic computed tomography (CT) examinations. The air kerm...