منابع مشابه
[Pulmonary siderosis in an arc welder].
An arc welder of 32 years of age is presented with a random finding of miliar reticulonodular shadows in the plain film of the thorax. Subjectively and objectively the patient appears healthy. The presence of a pneumoconiosis is confirmed by biopsy. Differential diagnosis had to consider sarcoidosis and pulmonary siderosis in view of the known professional anamnesis. This case report underlines...
متن کاملMacular degeneration in an arc welder.
A male welder who had been working in an industrial machine plant for more than 20 years experienced acute intense pain in his left eye with continuous lacrimation while performing arc welding in 1997. Later in 1997, at the age of 39 yr, macular edema was found in his left eye. He was diagnosed with macular degeneration (MD) of the left eye in 2002, and with right eye MD in 2004. Radiation in t...
متن کاملAmount and distribution of fume contaminants in the lungs of an arc welder post mortem.
This study describes various post-mortem examinations of the lungs of a shipyard arc welder. These investigations comprised morphological methods, including gross pathology and radiography, histological and ultrastructural examinations, chemical analysis of lung tissue, and sensitive magnetic measurements, which can now be used to detect magnetic contaminants, such as welding fume, in human tis...
متن کاملVoltage Flicker Prediction for Two Simultaneously Operated Ac Arc Furnaces
An EMTP-based arc furnace model was developed for evaluation of flicker concerns associated with supplying a large integrated steel mill as they go from one to two furnace operation and as system changes are implemented that will affect the short circuit capacity at the 230 kV power supply substation. The model includes a dynamic arc representation which is designed to be characteristic of the ...
متن کاملArc Energy Characteristics Analysis of AC Square Wave Submerged Arc Welding using WVD
Volume 5 • Issue 3 • 1000204 J Appl Mech Eng ISSN:2168-9873 JAME, an open access journal Arc Energy Characteristics Analysis of AC Square Wave Submerged Arc Welding using WVD Si-Wen X1,3, Wang C1,2, Zhi-Peng Z1,2 and Kuan-Fang H1,2,* 1College of Mechanical and Electrical Engineering, Hunan University of Science and Technology, Xiantan 411201, PR China 2Hunan Provincial Key Laboratory of Health ...
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ژورنال
عنوان ژورنال: Journal of the Japan Welding Society
سال: 1959
ISSN: 0021-4787,1883-7204
DOI: 10.2207/qjjws1943.28.723