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Systems Engineering Laboratories (also called SEL) was a manufacturer of minicomputers in Fort Lauderdale, Florida. It was one of the first 32-bit realtime computer system manufacturers. Realtime computers are used for process control and monitoring.
To protect underground sources of drinking water (USDWs), the U.S. Congress requires Federal agencies by 42 U.S.C. § 300j–6 to comply with Wellhead Protection Programs and Underground Injection Control (UIC) Programs. Actions such as forestry management plans, pipelines, highways, etc. with federal control that may result in contamination of ...
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Psilocybin (RSTP-1000) – non-selective serotonin receptor agonist and psychedelic hallucinogen – demoralization syndrome – Reset Pharma [1] Psilocybin (SYNP-101; synthetic psilocybin) – alcoholism, obsessive–compulsive disorders, cluster headache, migraine – Ceruvia Lifesciences [59]
SelTrac is a digital railway signalling technology used to automatically control the movements of rail vehicles.It was the first fully automatic moving-block signalling system to be commercially implemented.
With 32 miles of caves and underground passageways, this national natural landmark is one of the longest caves in America. Besides being a site for tours and exploration, the caves are also the ...
An individual aircraft is given a SELCAL code upon application to the SELCAL code registrar, Aviation Spectrum Resources, Inc. (ASRI). The code is technically assigned to the owner-operator of the aircraft rather than the aircraft itself; if an aircraft is sold, the new owners-operators must apply for a new code.
In an electric power system, a fault or fault current is any abnormal electric current. For example, a short circuit is a fault in which a live wire touches a neutral or ground wire. An open-circuit fault occurs if a circuit is interrupted by a failure of a current-carrying wire (phase or neutral) or a blown fuse or circuit breaker .