barium

• Test method for barium film distribution of nitrogen - doped getter
  掺氮吸气剂钡膜分布测试方法
• Preparation of barium sulfate - polyacrylamide composite microspheres
  高分子复合微球的制备研究
• Emission characteristics of newly developed barium tungsten cathode
  新型钡钨阴极的发射性能研究
• Thermal stability of barium fluoride nano - powders with different particle size
  2粉体的热稳定性
• Performance studies of a new style compacted barium - tungsten cathode
  新型压制钡钨阴极性能的研究
• Water quality . determination of barium . potentiometric titration method
  水质钡的测定电位滴定法
• Barium sulphate , precipitated for industrial use
  工业沉淀硫酸钡
• The barium sulfate gravimetric method for the determination of sulfur content
  硫酸钡重量法测定硫量
• The barium sulfate grarimetric method for the determination of barium content
  硫酸钡重量法测定钡量
• General test method in salf industry - determination of barium ion
  制盐工业通用试验方法钡离子的测定