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physical process comparison table

Subject	has time of occurrence	has required reactant concentration	has optimum density	has part intermediate product	has optimum pressure	has part reactant	has definition	has reaction rate	has part catalyst	has location	has domain	has inverse process	has synonym	is a kind of	has part product	has optimum temperature
atomic process											atomic physics		world point	event
decay process											physics			physical process
motion							Process of passing through space or changing position				physics			physical process
nuclear process											physics			physical process
optical process											optics			physical process
phase transition							An abrupt change in the equilibrium state of a system. A sudden transition between one state of matter or energy and another state. For example, when hot water turns to steam or when ice crystallizes out of a liquid that has been cooled to below freezing, a phase transition has occurred. According to the grand unified theories of particle physics, the infant universe may have undergone one or more overall phase transitions. In this case, the energy uniformly filling all space corresponded to the supercooled liquid.				physics			physical process
reaction											physics			physical process
relativity process											physics			physical process

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