نتایج جستجو برای: welding fumes
تعداد نتایج: 16350 فیلتر نتایج به سال:
Lead (Pb), a toxic contaminant metal used in many important industrial processes, is widely used in batteries, paint vanishes, in pipe covering and in welding. The exposure showed a high risk of human health and development of several types of cancers. A total of 64 male workers in Hyderabad battery unit in Mahaboobnagar District, Andhra Pradesh were investigated for genetic damage in buccal ce...
A mortality study was carried out in conjunction with the European mortality study among welders coordinated by the International Agency for Research on Cancer (IARC). The study was aimed at assessing risks for lung cancer in relation to exposure to asbestos, welding fumes containing chromium and nickel, and tobacco smoke. The study included a cohort of 2721 welders and an internal comparison g...
OBJECTIVES The respiratory effects of exposure to welding fumes have been investigated in numerous studies; but results of these studies have not been consistent. The aim of the present study was to investigate the respiratory effects of welding exposure in a large group of manual are welders exposed primarily to mild steel welding processes in confined spaces without respiratory protection. ...
Ultrasonic welding (USW) is a solid-state process based on the application of high frequency vibration energy to workpiece produce internal friction between faying surface and local heat generation required promote joining. The short time low input, absence fumes, sparks or flames, automation capacity make it particularly interesting for several fields, such as electrical/electronic, automotive...
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