نتایج جستجو برای: gated single
تعداد نتایج: 897119 فیلتر نتایج به سال:
A theoretical description is presented for a single-electron transport through a vertical gated quantum dot. Using the configuration interaction method we study the correlation effects in the gated quantum dots. We have found that the electron-electron correlation only slightly changes the single-electron tunnelling conditions in the absence of an external magnetic field, but has a pronounced i...
Introduction: The purpose of this study is to assess the integrated role of scintigraphy by Tc99m MIBI in diagnosis of parathyroid adenoma and its impacts on the myocardium, and to evaluate whether myocardium perfusion gated SPECT study could be a complementary routine workup for patient with positive parathyroid adenoma on Tc99m MIBI parathyroid scan. Methods: Rest myocardium perfusion gated ...
In radiation therapy of lung tumors, respiratory motion causes target moving, so a larger margin is needed to cover the CTV. With the margin increasing, a larger volume of normal tissue will be exposed to high-dose. In this study, dosimetric parameters of normal lung tissue were compared between gated and conventional radiotherapy (RT), using the NCAT digital phantom. Different series of CT im...
OBJECTIVE The objective of this study was to investigate predictor variables at the moment of normal stress-rest myocardial perfusion gated SPECT for indication of a second gated SPECT. MATERIAL AND METHODS A prospective, single center cohort study was conducted. We evaluated 2326 consecutive patients (age 63.6 ± 13 years, 57.3% females) without perfusion defects and with normal left ventricu...
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