| 单词 | 百万分之 |
| 释义 | 〔neon〕Symbol Ne A rare, inert gaseous element occurring in the atmosphere to the extent of 18 parts per million and obtained by fractional distillation of liquid air. It is colorless but glows reddish orange in an electric discharge and is used in display and television tubes. Atomic number 10; atomic weight 20.183; melting point -248.67°C; boiling point -245.95°C. See table at element 符号 Ne 氖：稀有的惰性气体元素，在空气中以百万分之十八的比例存在，液态空气经分馏后得到。常无色，通电流时发红橙光。用于屏幕和电视显像管。原子序数10；原子量20.183；熔点-248.67°C；沸点-245.95°C 参见 element〔ppm〕Parts per million.百万分率，百万分之… |
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