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Canton Viaduct is a blind arcade cavity wall in Canton, Massachusetts, built in 1834–35 for the Boston and Providence Railroad. [2]At its completion, it was the longest (615 ft [187 m]) and tallest (70 ft [21 m]) railroad viaduct in the world; today, it is the last surviving viaduct of its kind.
After Roe, the right to terminate a pregnancy pre-viability was a protected constitutional right that could be regulated or prohibited by state law only when the fetus became viable, because the state's interest in protecting a potential life met the constitutional standard only when the fetus was viable. Post-viability abortion restrictions ...
Speed Reference System: SS sunset: SSCV/DR Solid-state cockpit voice/data recorder See flight recorder: SSCVR Solid-state cockpit voice recorder See flight recorder: SSFDR Solid-state flight data recorder See flight recorder: SSR Secondary surveillance radar: STAR standard terminal arrival route: STARS Standard Terminal Automation Replacement ...
The World Geodetic System (WGS) is a standard used in cartography, geodesy, and satellite navigation including GPS.The current version, WGS 84, defines an Earth-centered, Earth-fixed coordinate system and a geodetic datum, and also describes the associated Earth Gravitational Model (EGM) and World Magnetic Model (WMM).
Standard Form 312 (SF 312) is a non-disclosure agreement required under Executive Order 13292 to be signed by employees of the U.S. Federal Government or one of its contractors when they are granted a security clearance for access to classified information.
In late 1993, driven by requirements in the DoD Appropriation Act for Fiscal Year 1994, DoD announced plans to implement by May 1997 a nationwide managed care program for the MHS. Under this program, known as TRICARE, the United States would be divided into 12 health care regions. An administrative organization, the lead agent, was designated ...
From 2016 he served as editor of international standard ISO/IEC 21838: Top Level Ontologies, Parts 1 and 2, which were published by ISO in 2021. Part 1 [14] specifies the requirements for being a top-level (which means: domain-neutral) ontology. Part 2 [15] is devoted to Basic Formal Ontology (BFO).