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  2. Treasury regulations - Wikipedia

    en.wikipedia.org/wiki/Treasury_regulations

    Section 7805 of the Internal Revenue Code gives the United States Secretary of the Treasury the power to create the necessary rules and regulations for enforcing the Internal Revenue Code. [2] These regulations, including but not limited to the "Income Tax Regulations," are located in Title 26 of the Code of Federal Regulations, or "C.F.R ...

  3. Potassium ethyl xanthate - Wikipedia

    en.wikipedia.org/wiki/Potassium_ethyl_xanthate

    Potassium ethyl xanthate is used in the mining industry as flotation agent for extraction of the ores of copper, nickel, and silver. [4] The method exploits the affinity of these "soft" metals for the organosulfur ligand.

  4. hERG - Wikipedia

    en.wikipedia.org/wiki/HERG

    hERG (the human Ether-à-go-go-Related Gene) is a gene that codes for a protein known as K v 11.1, the alpha subunit of a potassium ion channel.This ion channel (sometimes simply denoted as 'hERG') is best known for its contribution to the electrical activity of the heart: the hERG channel mediates the repolarizing I Kr current in the cardiac action potential, which helps coordinate the heart ...