نتایج جستجو برای: aluminum foundries
تعداد نتایج: 51611 فیلتر نتایج به سال:
The results of research on working conditions and labor safety assessment in foundries are presented. production factors with different types their impact injuries professional incidence workers considered. Recommendations to improve reduce foundry given.
In a previous paper (Turner, 1957) the results of a survey of the thermal environments in non-ferrous foundries were reported, reference was made to the index of heat stress proposed by Belding and Hatch (1955), and an indication was given of how this index could be used to evaluate the severity of the heat stress which might be encountered in foundries. A few observations were reported which s...
Due to recycling of metals, most foundries have considered themselves as a part of the green technology before the term “green’’ was even coined. But, actually, the foundry industry handles large quantities of processed waste materials and has the potential to emit a large quantity of carbon dioxide and other pollution in atmosphere. This immense pressure not only forcing foundry industries to ...
Due to increase in threats posed by offshore foundries, the companies outsourcing IPs are forced protect their designs from foundries. Few of IP piracy, counterfeiting and reverse engineering. To overcome these, logic encryption has been observed be a leading countermeasure against faced. It introduces extra gates design, known as key which hide functionality design unless correct keys fed them...
background: the term crystallized silica refers to the crystallized form of sio 2 and quartz, the most frequency composition in the earth’s crust that can cause silicosis and lung cancer through occupational exposure and inhalation of its large quantities. methods: occupational exposure of workers in pakdasht, iran, in 2011 was investigated in four different casting processes in small foundries...
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