We have no meanings for "radium emanations" in our records yet.
1 Can a flash of radium emanations on a zinc-sulphide plate kindle the precious spark?
2 The volatile essences of organic bodies which we detect in odors and flavors, are not potent like the radium emanations .
3 Direct sunlight, electric light, or even diffuse daylight, is inimical to the growth of bacteria, as are also Röntgen rays and radium emanations .
4 Radium emanations pass through steel and experiments have shown that the best metal to contain them is lead.
5 "Take radium water," he went on, "sufficiently impregnated with radium emanations to be luminous in the dark, like that water of Denison's.
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