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Portal:Systems science/Picture/1 . The Lorenz attractor is a 3-dimensional structure corresponding to the long-term behavior of a chaotic flow, noted for its butterfly shape. The map shows how the state of a dynamical system (the three variables of a three-dimensional system) evolves over time in a complex, non-repeating pattern.
Systems science, also referred to as systems research, [1] or, simply, systems, [2] is a transdisciplinary [3] field that is concerned with understanding simple and complex systems in nature and society, which leads to the advancements of formal, natural, social, and applied attributions throughout engineering, technology and science, itself.
Runtime application self-protection (RASP) is a security technology that uses runtime instrumentation to detect and block computer attacks by taking advantage of information from inside the running software. [1] [2] The technology differs from perimeter-based protections such as firewalls, that can only detect and block attacks by using network ...
Managed access is managing cellular network access from contraband phones within a corrections facility. [1] Managed access differs from cellular jamming technologies, which are outlawed in the United States. [2] [3] A managed access system functions like a femtocell or low-power cell tower which passes calls to cellular carriers; however, only ...
The portal vein or hepatic portal vein ( HPV) is a blood vessel that carries blood from the gastrointestinal tract, gallbladder, pancreas and spleen to the liver. This blood contains nutrients and toxins extracted from digested contents. Approximately 75% of total liver blood flow is through the portal vein, with the remainder coming from the ...
Low Earth orbit. Altitude. 1,350 km (840 mi) Inclination. 58.0°. Period. 120.0 minutes. The Space Tracking and Surveillance System ( STSS; formerly SBIRS-Low) was a pair of satellites developed by the United States Missile Defense Agency (MDA) to research the space-based detection and tracking of ballistic missiles.
Access control matrix. In computer science, an access control matrix or access matrix is an abstract, formal security model of protection state in computer systems, that characterizes the rights of each subject with respect to every object in the system. It was first introduced by Butler W. Lampson in 1971. [1]
www .mspb .gov. The Merit Systems Protection Board ( MSPB) is an independent quasi-judicial agency established in 1979 to protect federal merit systems against partisan political and other prohibited personnel practices and to ensure adequate protection for federal employees against abuses by agency management. [1]