Some substances also, which fluoresce at ordinary temperatures, will phosphoresce at low temperatures.
While relatively few solids phosphoresce after exposure to light at ordinary temperature a large number of these acquire the property at the temperature of liquid air.
Many other bodies phosphoresce when exposed to these rays, and in particular the phosphorescence of some gems, such as rubies and diamonds, is exceedingly vivid.
The portions shielded by the cross, not being tired by being made to phosphoresce for a long time, respond more vigorously to the stimulus than those portions which have not been protected.
From the window, too, proceed rays which, like the cathode rays, can produce phosphorescence, for certain bodies phosphoresce when placed in the neighbourhood of the window.
But from numerous experiments I find that bodies will phosphoresce in actual contact with the negative pole.
On this view, then, those substances will phosphoresce which have an electron which is fairly easily detached from its atom and which will attach itself to another atom, forming an arrangement which is less stable than the original.
But Dewar has found a number of substances whichphosphoresce only at low temperatures, e.
He found, moreover, that among the organic compounds that could be made to phosphoresce under these conditions were nearly all the fixed and ethereal oils.
We may, therefore, conclude that substances fitted to phosphoresce under the conditions determined by the experiments of Radziszewski are generally, and probably universally, present in the luminous organs of phosphorescent animals.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "phosphoresce" in a variety of sentences. We hope that you will now be able to make sentences using this word.
