has introduced a special target of this metal that is being largely used by manufacturers of X-ray tubes. The tungsten is in the form of a thick button brazed into a solid block of copper ...

Plasma discharge in the ASDEX Upgrade fusion device. The plasma edge is guided to the tungsten divertor plates at the bottom. (Photographic resolution limited by performance of the CCD camera used.) ...

China has recently imposed export controls on items related to tungsten, tellurium, bismuth, molybdenum, and indium, as ...

Accomplishing this feat takes large amounts of heat and pressure. Government purchases machine that mimics the process used ...