Leblanc process — The Leblanc process was the industrial process for the production of soda ash (sodium carbonate) used throughout the 19th century, named after its inventor, Nicolas Leblanc. It involved two stages: Production of sodium sulfate from sodium… … Wikipedia
Sewage treatment — The objective of sewage treatment is to produce a disposable effluent without causing harm to the surrounding environment, and also prevent pollution.[1] Sewage treatment, or domestic wastewater treatment, is the process of removing contaminants… … Wikipedia
Routemaster — The AEC Routemaster is a model of double decker bus that was introduced by Associated Equipment Company (AEC) in 1954 and produced until 1968. Primarily front engined, rear open platform buses, a small number of variants were produced with doors… … Wikipedia
MG9077 — The MegaRAC© MG9077 is a Backplane Management Controller from American Megatrends, Inc. (AMI). Based on the most innovative management protocol in the field, Serial GPIO for SAS and SATA Host Bus Adapters, the MG9077 controller supports up to… … Wikipedia
MG9082 — The MegaRAC© MG9082 is a Backplane Management Controller from American Megatrends, Inc. (AMI). Based on the most innovative management protocol in the field, SGPIO for SAS and SATA Host Bus Adapters, the MG9082 controller supports up to eight… … Wikipedia
PID controller — A block diagram of a PID controller A proportional–integral–derivative controller (PID controller) is a generic control loop feedback mechanism (controller) widely used in industrial control systems – a PID is the most commonly used feedback… … Wikipedia
cryptology — cryptologist, n. cryptologic /krip tl oj ik/, cryptological, adj. /krip tol euh jee/, n. 1. cryptography. 2. the science and study of cryptanalysis and cryptography. [1635 45; < NL cryptologia. See CRYPTO , LOGY] * * * Introduction … Universalium
Northern Rail — Franchise(s) … Wikipedia
environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations … Universalium
Vortex tube — For the term vortex tube used in fluid dynamics please see: vorticity The vortex tube, also known as the Ranque Hilsch vortex tube, is a mechanical device that separates a compressed gas into hot and cold streams. It has no moving parts.… … Wikipedia
Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium