用“violet light”造句大全，violet light造句

The violet light of dusk began to darken the sky.

The polygonal segments of the surface react to ultra-violet light, mapping the position and intensity of solar rays.

Ooptical bleaching agent: a chemical which is used in the furnish of bright-white papers to enhance their brightness, and which does so by converting ultra-violet light into visible light.

A spotlight throws a pool of violet light on the stage

The direct photolysis of chlorpyrifos in aqueous solution irradiated by high pressure lamb light(HPML), xenon light(XL), ultraviolet light(UV) and sunlight was investigated.

In a trench dug by a University of South Florida Coastal Research Lab team, layers of oil-stained sand light up orange under ultraviolet light. Clean sand appears violet.

Ultra-violet light is not in the part of the visible spectrum, but why does an ultra-violet lamp emit violet colored light?

They are only visible when they are bathed in ultra-violet light and subjecting them to such constant bombardment would be not only impractical but harmful.