1895年，威廉·伦琴偶然发现阴极射线管能使涂有一层氰亚铂酸盐钡的薄相纸发光，甚至当阴极射线管和相纸分别放在不同的房间时也能发光。
In 1895, Wilhelm Roentgen accidentally discovered that a cathode-ray tube could make a sheet of paper coated with barium platinocyanide glow, even when the tube and the paper were in separate rooms.
重点介绍了钼酸钠、钼酸钡的生产工艺及质量控制过程。
The production technology of sodium molybdate, barium molybdate and quality control were presented particularly.
应用发射光谱技术研究了T12荧光灯阴极电子发射材料钡的损失。
Emission spectroscopic techniques are employed to study the loss of thermionic emission material barium from the cathode of a T12 fluorescent lamp.
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