Sublimated physical concept

Sublimation: the bulb tungsten filament becomes thinner, the dry ice sublimes, the sanitary ball becomes smaller, the frozen clothes become dry, and iodine becomes iodine vapor when heated. , directly from solid to gas.

Ninghua: Frost, inner window grilles in winter, needle-like hexagonal snow, fog, etc.

In the physical concept, "sublimation" means that a solid turns into a gas, such as iodine heating, and rainwater is artificially sublimated with solid carbon dioxide to absorb heat. "sublimation" means that the gas turns into a solid and gets up in the morning to see frost.