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PK

From Wikipedia, the free encyclopedia

PK or pk may refer to:

Arts and entertainment

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Gaming

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Other media

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Organisations

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People

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Places

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Science and technology

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Chemistry and pharmacology

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  • pK, negative logarithm of the dissociation constant K (-logK)
  • Pharmacokinetics, a branch of pharmacology dedicated to determining the fate of substances administered to a living organism

Computing

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  • Primary key, a unique attribute within the relational model of databases
  • PK, a magic number commonly used in the Zip file format
  • .pk, the country code top level domain (ccTLD) for Pakistan
  • Port knocking, a method of externally opening ports on a firewall
  • Public-key cryptography

Other uses in science and technology

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Sports

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Other uses

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See also

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  • Piquet, a trick-taking card game for two players