| 单词 |
de-emanate |
| 释义 |
de-emanate, v.|diːˈɛməneɪt| [f. de- II. 1 + emanate v.] trans. To deprive (a radioactive substance) of the power of emitting its characteristic radioactive gas or ‘emanation’. Hence de-ˈemanated ppl. a.; de-emaˈnation.
1902Rutherford & Soddy in Phil. Mag. IV. 371 If thorium oxide be exposed to a white heat its power of giving an emanation is to a large extent destroyed. Thoria that has been so treated is referred to throughout as ‘de-emanated’. Ibid. 575 Water-vapour exerts no influence..in de-emanating thoria. 1902― in Jrnl. Chem. Soc. LXXXI. 333 (heading) The de-emanation of thoria. 1904Rutherford Radio-activity 216 Thus de-emanation does not permanently destroy the power of thorium of giving out an emanation. Ibid., The de-emanated thoria was dissolved. |

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