نتایج جستجو برای: small animal imaging
تعداد نتایج: 1388948 فیلتر نتایج به سال:
introduction: image quality and accuracy of in vivo activity quantification in spect are affected by collimator penetration and scatter components, especially in high energy imaging. these phenomena highly depend on the collimator characteristic and photon energy. the presence of penetrated and scattered photons from collimator in spect images degrades spatial resolution, contrast and image qua...
Introduction: Mini Computed Tomography (mini-CT) was suggested in biomedical research to investigate tissues and small animals. We present designed and built a mini x-ray computed tomography (mini-CT) for small animals as well as industrial component imaging. Materials and Methods: The system used in this study includes a X-ray tube 20kV to 160kV and a flat pa...
mitral valve regurgitation (mvr) is a common valvular disease in dogs. hydrokinetic evaluation of the blood flow within the ventricles has become possible by vector flow mapping (vfm), which shows the blood flow within the ventricles in vector and vortex flows. blood flow within the left ventricle of mvr dogs was compared at different stages of mvr and to that of normal dogs. 14 normal dogs and...
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