نتایج جستجو برای: nuclear radiation spectroscopy
تعداد نتایج: 622441 فیلتر نتایج به سال:
Background & Aims: Spatial resolution is one of the important features of evaluating the function of nuclear medicine imaging systems. The aim of this study was evaluating the capability of the spatial resolution in images of nuclear medicine planar by calculating the modulation transfer function (MTF). Materials & Methods: Nuclear medicine imaging of capillary tube with activity 1 mCi was per...
Nuclear-structure effects often provide an irreducible theory error that prevents using precision atomic measurements to test fundamental theory. We apply newly developed effective field tools Hydrogen atoms, and use them show (to the accuracy of present measurements) all nuclear finite-size (e.g. charge radius, Friar moments, polarizabilities, recoil corrections, Zemach moments {\it etc.}) onl...
This article presents the results of a study radiation-induced defects in various synthetic calcium phosphate (CP) powder materials (hydroxyapatite—HA and octacalcium phosphate—OCP) by electron paramagnetic resonance (EPR) spectroscopy at X, Q, W-bands (9, 34, 95 GHz for microwave frequencies, respectively). Currently, CP are widely used orthopedics dentistry owing to their high biocompatibilit...
Introduction: The aim of present study was to estimate effective dose from most common procedures performed in nuclear medicine departments of Golestan province. Methods: Data of nuclear medicine procedures performed in 2 nuclear medicine departments in Golestan province were collected during 4 years. Effective dose, collective effective dose and effective dose per examination were calculated ...
Herein is presented a review of recent technical advances in Raman and nuclear resonance spectroscopy (both Mössbauer spectroscopy and nuclear resonant inelastic Xray scattering spectroscopy (NRIXS)), as they have great implications for geoscience. Optical and X-ray spectroscopies probe different momentum and energy transfers caused by interactions between the incident light and the lattice, ma...
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