electromagnetic wave shielding and manufacturing method of the polyester academicians of the chinese academy of sciences.

摘要

this invention is the old polyester long fiber manufacture method in order to improve polyester long fiber by melt spinning, and the balance of the melt spinning of the reamer to the residence time and the residence time of the length of the reamer assembly (Pack) and temperature in the native. in order to make forced out after the rapid cooling, to prevent radioactive to sikkim to the property maintenance, property division. at the minimum, the police in accordance with the property side to at least ud654ud558uace0, nuclear electronics. in the han dynasty the application of the product can be used in microwave circuit and manufacturing method of the polyester academicians of the chinese academy of sciences in.