Sökning: "dose rate measurements"

Visar resultat 1 - 5 av 37 uppsatser innehållade orden dose rate measurements.

1. 1. Exposure Monitoring and Dosimetry - Optimizing Radiation Protection in Interventional Cardiology

   Uppsats för yrkesexamina på avancerad nivå, Umeå universitet/Institutionen för fysik; Umeå universitet/Institutionen för strålningsvetenskaper

   Författare :Amanda Pettersson; [2023]
   Nyckelord :Interventional cardiology; Radiation protection; Air kerma measurements; Radiation shielding; Projection angle;

   Sammanfattning : During interventional cardiology (IC), medical staff are exposed to scattered ionizing radiation from the patient, potentially leading to various radiation-induced health effects. Therefore, shielding devices are routinely used to reduce occupational exposure during IC procedures. LÄS MER

3. 2. Vibrations in a high frequency clt floor panel - Measurement, prediction and evaluation

   Uppsats för yrkesexamina på avancerad nivå, Lunds universitet/Byggnadsmekanik; Lunds universitet/Institutionen för byggvetenskaper

   Författare :André Wirthig; [2023]
   Nyckelord :Vibrations; High frequency floors; Sensitive equipment; Technology and Engineering;

   Sammanfattning : There is an increased need for floors that can accommodate different type of sensitive equipment [1]. Further, it is recommended to design these floors as high frequency floors (HFF) to be able to meet the stringent vibration criteria [1]. LÄS MER

4. 3. Evaluation of the DXA radiation environment at Sahlgrenska University Hospital

   Master-uppsats,

   Författare :Saga Söderholm; [2022-05-18]
   Nyckelord :Medical physics; DXA; DEXA; Dual-energy X-ray absorptiometry; Bone mineral density;

   Sammanfattning : Purpose: The aims of this work were to evaluate the radiation environment in the dual-energy X-ray absorptiometry (DXA) rooms at Sahlgrenska University Hospital, estimate personnel doses, determine legal requirements for DXA personnel, examine the operators’ view on radiation safety and develop material with dose information for patients and operators. Theory: DXA is a low dose X-ray modality mainly used in osteoporosis examinations, for which it is considered the reference technique. LÄS MER

5. 4. Development of a computational method for determining gamma energy escape from calorimeters at CLAB

   Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Tillämpad kärnfysik

   Författare :Amela Mehic; [2022]
   Nyckelord :Nuclear physics; Calorimeter; SNF; MCNP; Dose rate; CLAB; Gamma energy; Fuel assembly; Form function; Attenuation coefficient; Gamma spectroscopy;

   Sammanfattning : Swedish Nuclear Fuel and Waste Management Company- SKB has conducted measurement campaigns at the Swedish central interim storage facility for spent nuclear fuel- CLAB over the years, extending from year 2003 to 2019 where the gamma energy escape was acquired. At CLAB the spent nuclear fuel assembly is inserted into the calorimeter; device intended to measure temperature increase due to decay heat from the fuel assembly. LÄS MER

7. 5. Polymer gel dosimetry - Using MRI-readout, simplified relatively non-toxic mixing procedure tested on FLASH

   Master-uppsats, Lunds universitet/Sjukhusfysikerutbildningen

   Författare :Maria Blomstedt; [2022]
   Nyckelord :Medicine and Health Sciences;

   Sammanfattning : Background: One of the polymer gel dosimeters available today is the N-isopropylamide (NIPAM) polymer gel dosimeter which has a less toxic monomer compared to other polymer gels and the advantage of being able to be manufactured under normal oxygen levels. Polymer gel dosimeters in general are advantageous independent dosimeters to use for verification of new radiation treatment techniques due to its favorable qualities such as very high resolution, 3D coverage, tissue equivalence and independence of energy and incident direction of the radiation beam. LÄS MER