... barium-chloride test || 氯化钡测硫试验 barium-coated cathode || 钡阴极 barium-oxide-coated cathode || 涂氧化钡阴极 ...
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barium-oxide-coated cathode 涂氧化钡阴极
barium oxide coated cathode 敷氧化钡阴极
barium-coated cathode
barium-coated阴极
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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.
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。
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