Nature, Količina 104Sir Norman Lockyer Macmillan Journals Limited, 1919 |
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Stran 236
... X - rays , the higher the velo- city of the electron which it can cause to be emitted . This effect is carried to an extreme in the corresponding emission of very high - speed electrons under the stimulus of the y - rays of radium , for ...
... X - rays , the higher the velo- city of the electron which it can cause to be emitted . This effect is carried to an extreme in the corresponding emission of very high - speed electrons under the stimulus of the y - rays of radium , for ...
Stran 237
... X - rays have been applied with ever - increasing success to medicine and surgery ; their extra- ordinary power of revealing the interior of a body without disturbing its exterior are beginning to be recognised as a trustworthy aid to ...
... X - rays have been applied with ever - increasing success to medicine and surgery ; their extra- ordinary power of revealing the interior of a body without disturbing its exterior are beginning to be recognised as a trustworthy aid to ...
Stran 238
... X - rays to the treatment of disease . From observations upon the far - reaching consequences of undue exposure to the action of X - rays , radiologists were led to explore their possibilities for therapeutic purposes . It is well known ...
... X - rays to the treatment of disease . From observations upon the far - reaching consequences of undue exposure to the action of X - rays , radiologists were led to explore their possibilities for therapeutic purposes . It is well known ...
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