PDH may refer to:
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Angiotensin-converting enzyme
Angiotensin-converting enzyme (), or ACE, is a central component of the renin–angiotensin system (RAS), which controls blood pressure by regulating the volume of fluids in the body. It converts the hormone angiotensin I to the active vasoconstr ...
, an enzyme
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Plesiochronous digital hierarchy
The plesiochronous digital hierarchy (PDH) is a technology used in telecommunications networks to transport large quantities of data over digital transport equipment such as fibre optic and microwave radio systems. The term ''plesiochronous'' is ...
, in telecommunications networks
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Pound–Drever–Hall technique The Pound–Drever–Hall (PDH) technique is a widely used and powerful approach for stabilizing the frequency of light emitted by a laser by means of locking to a stable cavity. The PDH technique has a broad range of applications including interf ...
for stabilizing a laser's output
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Pyranose dehydrogenase (acceptor)
Pyranose dehydrogenase (acceptor) (, ''pyranose dehydrogenase'', ''pyranose-quinone oxidoreductase'', ''quinone-dependent pyranose dehydrogenase'', ''PDH'') is an enzyme with systematic name ''pyranose:acceptor oxidoreductase''. This enzyme catal ...
, an enzyme
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Pyruvate dehydrogenase
Pyruvate dehydrogenase is an enzyme that catalyzes the reaction of pyruvate and a lipoamide to give the acetylated dihydrolipoamide and carbon dioxide. The conversion requires the coenzyme thiamine pyrophosphate.
Pyruvate dehydrogenase is u ...
, an enzyme
{{Disambiguation