Significados de radium emanations en inglés

Can a flash of radium emanations on a zinc-sulphide plate kindle the precious spark?

The volatile essences of organic bodies which we detect in odors and flavors, are not potent like the radium emanations.

Direct sunlight, electric light, or even diffuse daylight, is inimical to the growth of bacteria, as are also Röntgen rays and radium emanations.

Radium emanations pass through steel and experiments have shown that the best metal to contain them is lead.

"Take radium water," he went on, "sufficiently impregnated with radium emanations to be luminous in the dark, like that water of Denison's.