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phase-shift keying
A form of phase modulation in which digital information is transmitted through discrete changes of the phase of a carrier wave.
phase-transfer catalyst
(chemistry) A catalyst that migrates a reactant across a phase boundary
two-phase commit
(distributed computing) A commit operation that has two main steps: requesting the components of a distributed system to notify whether they are able to apply the commit and notify the components to apply it (if all of them notified that they are able to) or to abort it otherwise.
acute-phase proteins
acute-phase protein
(biochemistry, immunology) Any of a class of proteins whose plasma concentrations change in response to inflammation, such as C-reactive protein.
stationary phase approximation
(mathematics) A principle of asymptotic analysis that relies on the cancellation of sinusoids with rapidly varying phase.
split-phase power
(electrical engineering) A type of electrical power distribution system using two line wires connected to the ends of a distribution transformer and a grounded neutral wire connected to the center tap of the transformer, allowing loads to be connected between line and neutral and receive the normal line voltage (120 or 240 volts), or between the two opposite-phase line wires and receive twice the normal line voltage (240 or 480 volts).
phase-transfer catalysts
two-phase commits
plural of two-phase commit