نتایج جستجو برای: ساختار xray

تعداد نتایج: 61006  

2012
Om Shankar Chaurasiya V Kumar

Premature infants are particularly at risk of iatrogenic pharyngoesophageal perforation. It is a rare occurrence but when it does occur it often mimics esophageal atresia. We presented a case of a term neonate who presented with a hypopharyngeal perforation that resulted during ritual procedure (Ghaanti) done by grandmother. Clinical findings, a plain chest xray, an esophagography and endoscopy...

2008
M Fabi M Le Bourgeois C Bodemer V Beguin AM Prieur P Quartier J de Blic

Materials and methods 16 patients (9 girls) with diagnosis of JDM (age 3–16,2 yrs) performed pulmonary function tests (PFT). 14 were receiving treatment; all had muscular testing. 13 had weakness as major symptom. Respiratory symptoms: dry cough in 2/16; reduced exercise tolerance: 3/16. Chest xray: normal in 13/13. Echocardiogram and ECG: normal in all. 9/16 had positive ANA-Ab; antiJO1 Ab neg...

2014
Emmanouil Grigoriou

Introduction EOS 2D/3D imaging system (EOS imaging, Paris, France) is a multidimensional Xray imaging system that is able to acquire high quality images in two perpendicular planes with less radiation than standard imaging techniques. EOS is currently used clinically in scoliosis and lower extremity deformities (leg length discrepancy, angulation deformities, etc). Although technically very pro...

Journal: :Investigative ophthalmology 1970
E Chowchuvech M Weissenbacher M A Galin S Baron

0,cular complications after smallpox vaccination are rare occurrences, but still may cause considerable morbidity. In some of the developing countries, vaccinia keratitis is still an important cause of blindness. Keratitis is the most serious ocular problem and occurs in about 20 to 30 per cent of ocular vaccinia. A diverse number of therapeutic regimes have been used in the treatment of ocular...

Journal: :Korean Journal of Materials Research 2022

In this study, Y3Al5O12:Eu3+ red phosphors were synthesized at different temperatures using a solid state reaction method. The crystal structures, surface and optical properties of the investigated Xray diffraction (XRD), field emission scanning electron microscope (FE-SEM), photoluminescence (PL) analyses. From XRD results, structure was determined to be cubic. maximum spectra observed for pho...

2001
Mohey M. Hadhoud

This paper proposes the use of an adaptive image enhancement system that implements the human visual (HVS) properties for the contrast enhancement of the X-Ray images. XRay images are of poor quality and usually interpreted visually. The HVS properties considered are the adaptive nature, multichannel, the highly non-linearity. The proposed method is adaptive, nonlinear, multichannel, and combin...

1999
Qiang Lu

Since all the image data need in this research were collected from the highly modified AS&E 101ZZ system, it is important to give an overview to this scanning hardware. Section 3.1 gives a system hardware overview. Section 3.2 discusses issues regarding xray detectors and image preprocessing. Section 3.3 discusses the relationship between the x-ray signal intensity and the image gray level. Sec...

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