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SCADA ( supervisory control and data acquisition) is a control system architecture comprising computers, networked data communications and graphical user interfaces for high-level supervision of machines and processes. It also covers sensors and other devices, such as programmable logic controllers, which interface with process plant or machinery.
Wireless ad hoc network. A wireless ad hoc network [1] ( WANET) or mobile ad hoc network ( MANET) is a decentralized type of wireless network. The network is ad hoc because it does not rely on a pre-existing infrastructure, such as routers or wireless access points. Instead, each node participates in routing by forwarding data for other nodes.
The Copland system as a whole consists of the combination of Nukernel, various servers, and a suite of application support libraries to provide implementations of the well-known classic Macintosh programming interface. Application services are offered through a single program known officially as the Cooperative Program Address Space.
AccessAir was founded in 1998 and, after multiple delays, [1] began operating flights in February 1999. [2] Looking to provide lower rates at niche markets such as Des Moines, the Quad Cities, and Peoria, major investors at its start included many local companies, such as Caterpillar Inc. (Peoria) [3] and FBL Financial Group, Principal ...
Inter-Access Point Protocol or IEEE 802.11F is a recommendation that describes an optional extension to IEEE 802.11 that provides wireless access point communications among multivendor systems. [1] 802.11 is a set of IEEE standards that govern wireless networking transmission methods.
When 21.22 eV photons are used, the Fermi level is imaged at 16.64 eV. Angle-resolved photoemission spectroscopy ( ARPES) is an experimental technique used in condensed matter physics to probe the allowed energies and momenta of the electrons in a material, usually a crystalline solid. It is based on the photoelectric effect, in which an ...
The Army Physical Fitness Test ( APFT) was designed to test the muscular strength, endurance, and cardiovascular respiratory fitness of soldiers in the United States Army. Soldiers were scored based on their performance in three events consisting of the push-up, sit-up, and a two-mile run, ranging from 0 to 100 points in each event.
Isosbestic points are used in medicine in a laboratory technique called oximetry to determine hemoglobin concentration, regardless of its saturation. Oxyhaemoglobin and deoxyhaemoglobin have (not exclusively) isosbestic points at 586 nm and near 808 nm. Isosbestic points are also used in clinical chemistry, as a quality assurance method, to ...