Controlled grammar — Controlled grammars[1] are a class of grammars that extend, usually, the context free grammars with additional controls on the derivations of a sentence in the language. A number of different kinds of controlled grammars exist, the four main… … Wikipedia
Controlled Substances Act — Acronym CSA Enacted by the 91st United States Congress Effective October 27, 1970 Citations Public La … Wikipedia
Controlled vocabulary — Controlled vocabularies provide a way to organize knowledge for subsequent retrieval. They are used in subject indexing schemes, subject headings, thesauri, taxonomies and other form of knowledge organization systems. Controlled vocabulary… … Wikipedia
Controlled Traffic Farming — (CTF) is a management tool which is used to reduce the damage to soils caused by heavy or repeated agricultural machinery passes on the land. This damage and its negative consequences have been well documented and include increased fuel use, poor … Wikipedia
controlled foreign company — (CFC) A company that is: • Resident outside the UK; • Controlled by persons resident in the UK; and • Subject to a lower level of taxation in the territory in which it is resident. Set out in Chapter IV of Part XVII of the Income and Corporation … Law dictionary
Controlled emergency swimming ascent — (CESA) (aka blow and go ) is a technique used by scuba divers as a safety measure when a diver has run out of breathing gas in shallow water and must return to the surface.[1] The technique involves simply ascending at a controlled pace, while… … Wikipedia
Controlled-access highway — Freeway redirects here. For other meanings, see Freeway (disambiguation). A freeway with a wide grass median (Highway 402 in Canada) A controlled access highway is a highway designed exclusively for high speed vehicular traffic, with all traffic… … Wikipedia
Controlled payment number — A controlled payment number (also called a substitute credit card number, a one time use credit card , or a virtual credit card number ) is an alias for one s credit card number. It is generated through the use of either a web application or a… … Wikipedia
Controlled Impact Demonstration — The controlled impact demonstration The Controlled Impact Demonstration (or colloquially the Crash In the Desert) was a joint project between NASA and the Federal Aviation Administration (FAA) aimed at acquiring data, as well as demonstrating and … Wikipedia
Number needed to treat — The number needed to treat (NNT) is an epidemiological measure used in assessing the effectiveness of a health care intervention, typically a treatment with medication. The NNT is the average number of patients who need to be treated to prevent… … Wikipedia
Controlled Combustion Engine — REVETEC X4v2 Prototype Engine Controlled Combustion Engine (CCE) is a term used by Revetec, an engine design company, to identify a type of experimental internal combustion engine (ICE) designed by Brad Howell Smith. It uses two counter rotating… … Wikipedia