نتایج جستجو برای: ct number linearity
تعداد نتایج: 1306030 فیلتر نتایج به سال:
This study was aimed at analyzing the yield, grain quality and weed infestation of spring triticale sown in 3 tillage systems: a) conventional tillage (CT)-shallow ploughing and harrowing after harvest of the previous crop, ploughing in the autumn; b) reduced tillage (RT)-only cultivator after harvest of the previous crop, and c) no-tillage (NT)-only glyphosate (360 g L-1) after harvest of ...
Background and Objectives: Iran is a large country that is often an importer of major medical equipment. There is no comprehensive databank of the status of the equipment in the country. The present study provides a clear description of the dispersal status of major medical equipment in the country in 2016 and the estimated number of required devices in 2026. Methods: This study was conduct...
background: computed tomography (ct) scan is one the most useful devices in chest imaging. ct scan can be used in mediastinal abnormality, lungs, and pleural evaluations. according to the high prevalence and different causes of pulmonary nodules, we designed this study to evaluate the prevalence and the types of pulmonary nodules in noncancerous patients who underwent chest multi-detector ct (m...
Background: Measurement of estradiol level in women under treatment with ovulation induction drugs to make sure about sufficient ovum number in the infertility treatment protocol and also to prevent OHSS phenomenon, is an important and necessary factor. In case of high levels of Estradiol hormone, routine methods are unable to detect the real concentration of the hormone molecules. We...
This paper presents an 8-b 20-Msample/s pipelined analog-to-digital converter (ADC) designed in 0.5-μm CMOS technology. On first silicon this converter achieved 7.8 effective-number-of-bits (ENOB), a peak differential-non-linearity (DNL) of -0.36LSB and integralnon-linearity (INL) of 0.35LSB.
Introduction: The performance of computed tomography is routinely checked using phantoms, which are known as important diagnostic imaging tools. Depending upon the aim of the study, different phantoms are designed, while trying to satisfy certain levels of diversities in their application. Material and Methods: The present study describes the...
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