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To improve the lightning protection of large floating roof oil tank, the process of floating roof tanks stroked by lightning is analyzed, and relevant tests have been developed according to the standards. Test results indicate that the major role of conductive film is to release lightning current rapidly, but the presence of conductive films has their counter-effect. As long as conductive film exists,...
Warranty of quality in industrial products depends on to confirm everything on their production process. There are some cases in assemble process that the process itself satisfies the regulation or not is very difficult. For example, to fix a part by using some bolts, order to screwing is often regulated to guarantee accuracy to attach the part. However, once it is fixed, even if the procedure is...
Guarantee of quality of products is very important for company activities; so many companies consider guaranteeing quality of their products is very important. In guarantee of quality in industrial products, they are not only important that designs, parts and materials but also production process itself. In assembly process, this means that production works is done according with accurate procedure...
In quality control of industrial products, it is important that materials, parts, and design but also production processes themselves. Generally, most production lines have processes to confirm quality of works in former processes in everywhere. However, there are some processes of which quality cannot be confirmed in later processes. For example, to fix a part using some screws, procedure to move...
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