| 单词 | rubidium |
| 释义 | rubidium (once / 112565 pages) n WORD FAMILY rubidium USAGE EXAMPLESHe has experimented with ions of sodium, potassium, rubidium, caesium, magnesium, aluminium and iron. Economist(Aug 25, 2016) Steinhauer implemented Unruh’s idea in a cloud of rubidium atoms that he cooled to a fraction of a degree above absolute zero. Nature(Aug 14, 2016) Strong quantum correlations are detected among the spins of 480 rubidium atoms in a condensed state. Science Magazine(Apr 21, 2016) n a soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite Syn|Hyper Rb, atomic number 37 metal, metallic element any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. |
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