| 释义 |
Bunsen Robert Wilhelm Bun·sen B0553000 (bŭn′sən), Robert Wilhelm 1811-1899. German chemist who pioneered in spectrum analysis and codiscovered the elements cesium and rubidium. He introduced the Bunsen burner in 1855.Bun·sen (bŭn′sən), Robert Wilhelm 1811-1899. German chemist who with Gustav Kirchhoff discovered the elements cesium and rubidium. Bunsen also explained the action of geysers and invented various kinds of laboratory equipment, including the Bunsen burner. |