Barium

(noun.) a soft silvery metallic element of the alkali earth group; found in barite.

埃斯蒂斯整理

• Radium, also discovered in thi s analysis of 1898, was associated with barium. 李贝. 西洋科学史.
• Among the high explosives of more recent date may be mentioned: _Tonite_ (gun cotton and barium nitrate), British patents No. 3,612, of 1874, and No. 2,742, of 1876. Edward W. Byrn. 十九世纪发明进展.
• An improvement consists in adding one ounce of carbonate of barium to the fluid while warm. 威廉K.戴维. 智者、化学家和伟大医生的秘密.
• Many other chemicals can be used, however, for making the fluorescing screen, such as the sulphides of calcium, barium and strontium. Edward W. Byrn. 十九世纪发明进展.
• It was quite a simple affair, and consisted of an observation tube with a lens, having in front of it a screen of fluorescing material, such as platino-cyanide of barium. Edward W. Byrn. 十九世纪发明进展.
• In some instances a chemical known as barium chloride is used, but the wisdom of this process has been much questioned, owing to the fact that barium chloride is a deadly poison. 佚名. 神奇的知识之书.

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