Keywords Barium-Tungsten Cathode;Mixed Metal Barium-Tungsten Cathode;Preparation;Emission Performance;Industrial Computed Tomography;The Emission Mechanism of Thermionic Cathode;

• 钡钨阴极;混合基钡钨阴极;制备;发射性能;计算机断层扫描;阴极发射机理;