نتایج جستجو برای: mass enhancement
تعداد نتایج: 597467 فیلتر نتایج به سال:
A well defined lung mass with clear margins and no other signs such as lymphadenopathy, pulmonary infiltration, consolidation, collapse or bone involvement usually indicates a benign lesion, whether a tumour such as an adenoma (carcinoid), cyst or vascular abnormality. Bronchogenic, pericardial and hydatid cysts do not show contrast enhancement, adenomas do enhance but not as significantly as v...
balo's concentric multiple scleroses (ms) is a rare demyelinating disease and a variant of multiple sclerosis. we report a case with interesting misleading clinical history and typical ri findings of balo disease. a 19-year-old girl presented with fever and left hemiparesis following dental procedure 15 days ago. on physical examination fever and left limbs forces loss were noted. on ct scan a ...
It was found that the dark matter (DM) in intermediate-mass-ratio-inspiral (IMRI) system has a significant enhancement effect on orbital eccentricity of stellar massive compact object, such as black hole (BH), which may be tested by space-based gravitational wave (GW) detectors including LISA, Taiji and Tianqin future observations \citep{2019PhRvD.100d3013Y}. In this paper, we will study for an...
This paper proposes to build multiple segmentations for identifying mass contours for a suspicious mass in a mammogram. In this study, by using various parameter settings of the image enhancement functions, we perform multiple segmentations for each suspicious mass (region of interest (ROI)), and multiple mass contours are generated. Each of such segmentations is called a “weak segmentor”, sinc...
Using the FOCUS spectrometer with photon beam energies between 20 and 160 GeV, we confirm the existence of a diffractively photoproduced enhancement in KK at 1750 MeV/c with nearly 100 times the statistics of previous experiments. Assuming this enhancement to be a single resonance with a Breit-Wigner mass shape, we determine its mass to be 1753.5± 1.5± 2.3 MeV/c and its width to be 122.2± 6.2±8...
We propose the initial single chiral particle emission mechanism, with which the hidden-charm dikaon decays of higher charmonia and charmoniumlike states are studied. Calculating the distributions of differential decay width, we obtain the line shape of the J/ψK(+) invariant mass spectrum of ψ(i)→J/ψK(+)K(-), where ψ(i)=ψ(4415), Y(4660), and ψ(4790). Our numerical results show that there exist ...
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