مرور Volume 2, Issue 3 بر اساس تاریخ انتشار
در حال نمایش موارد 1 - 8 از 8
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Assessment of the Characteristics of MRI Coils in Terms of RF Non-Homogeneity Using Routine Spin Echo Sequences
(Mashhad University of Medical Sciences, 2005-09-01)Introduction: One of the major causes of image non-uniformity in MRI is due to the existence of non-homogeneity in RF receive and transmit. This can be the most effective source of error in quantitative ...
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New formula for Calculation of Cobalt-60 Percent Depth Dose
(Mashhad University of Medical Sciences, 2005-09-01)Introduction: On the basis of percent depth dose (PDD) calculation, the application of dosimetry in radiotherapy has an important role to play in reducing the chance of tumor recurrence. ...
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Evaluation of the Effects of Different Filters and Helium Bag on the Reduction of Electron Contamination in Photon Beam of Neptun Linac
(Mashhad University of Medical Sciences, 2005-09-01)Introduction: Skin sparing is one of the most desirable characteristics of high energy photon beams. However, the photons emerging from the target of linacs are contaminated by secondary electrons ...
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Noise Pollution and Traffic Noise Index on Mashhad Main Streets during the Busiest Hours of Summer
(Mashhad University of Medical Sciences, 2005-09-01)Introduction: Among the environmental pollutions, noise is very important for its physiological and psychological effects on human. Traffic noise is one of the most important pollutants and the hospitals are ...
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Assessment of Reproducibility of Geometric Distortion in MRI using Phantom Measurements
(Mashhad University of Medical Sciences, 2005-09-01)Introduction: Image distortion is one of the major problems of magnetic resonance imaging (MRI) for use in 3DMRI, velocity MRI, FMRI and radiotherapy treatment planning (RTTP). It is widely known ...
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An assessment of the Doses Received by Children from CT Examinations Along with the QC Parameters from a Conventional CT System
(Mashhad University of Medical Sciences, 2005-09-01)Introduction: In 2000, the UNSCEAR reported that CT constitutes 5% of all the medical x-ray examinations and it contributes 34% of the resultant collective dose worldwide. Children are more sensitive to the ...
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Radioimmunoscintigraphy of Breast Tumor Xenografts in Mouse Model by 99mTc Direct Radiolabeling of a Monoclonal Antibody PR81
(Mashhad University of Medical Sciences, 2005-09-01)Introduction: The radioimmunoscintigraphy (RIS) has found widespread clinical applications in tumor diagnosis. Human epithelial mucin, MUC1, is commonly over expressed in adenocarcinoma including ...
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Temperature Mapping Using Ultrasound Digital Images
(Mashhad University of Medical Sciences, 2005-09-01)Introduction: The success of hyperthermia depends on the accuracy of the temperature monitoring in the tumor and the surrounding normal tissue. In this study, the temperature changes were determined ...



