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Tetrafluoromethane, also known as carbon tetrafluoride or R-14, is the simplest perfluorocarbon (C F 4).As its IUPAC name indicates, tetrafluoromethane is the perfluorinated counterpart to the hydrocarbon methane.
ISO 3166-1 alpha-2 – two-letter country codes which are also used to create the ISO 3166-2 country subdivision codes and the Internet country code top-level domains. ISO 3166-1 alpha-3 – three-letter country codes which may allow a better visual association between the codes and the country names than the 3166-1 alpha-2 codes.
Recycling codes on products. Recycling codes are used to identify the materials out of which the item is made, to facilitate easier recycling process.The presence on an item of a recycling code, a chasing arrows logo, or a resin code, is not an automatic indicator that a material is recyclable; it is an explanation of what the item is made of.
NATO three-letter code. COG. NATO two-letter code. CF. LOC MARC code. CF. ITU Maritime ID. 615. ITU letter code. COG. FIPS country code. CF. License plate code. RCB. GS1 GTIN prefix — UNDP country code. PRC [a] WMO country code. CG. ITU callsign prefixes. TNA-TNZ
Since the C99 standard, C supports escape sequences that denote Unicode code points, called universal character names. They have the form \u hhhh or \U hhhhhhhh , where h stands for a hex digit. Unlike other escape sequences, a universal character name may expand into more than one code unit.
ISO 3166-1 (Codes for the representation of names of countries and their subdivisions – Part 1: Country codes) is a standard defining codes for the names of countries, dependent territories, and special areas of geographical interest.
In computer processors the carry flag (usually indicated as the C flag) is a single bit in a system status register/flag register used to indicate when an arithmetic carry or borrow has been generated out of the most significant arithmetic logic unit (ALU) bit position.
Consolidated Freightways (CF) was an American multinational less-than-truckload (LTL) freight service and logistics company founded on April 1, 1929, in Portland, Oregon, and later relocated to Vancouver, Washington.