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PCM (disambiguation)
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== Science and technology == * [[Perchloromethane]], a solvent * [[Perchloromethyl mercaptan]], a synthetic intermediate * [[Phase-change material]], a chemical substance with a high heat of fusion * [[Phase conjugate mirror]], a type of mirror, that conjugates the phase of the light while reflecting it * [[Photochemical machining]], a process for machining thin materials with chemicals and UV light * [[Phylogenetic comparative methods]], a method for historical relationships of lineages (phylogenies) to test evolutionary hypotheses in biology * [[Polarizable continuum model]], used to model solvent in physical chemistry computation * [[Powertrain control module]], an on-board vehicle computer designed to minimize its emissions and increase fuel economy * [[Principal chiral model]], a quantum field theory which is integrable in two dimensions * [[Protection circuit module]], used in battery packs
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