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  2. Particle image velocimetry - Wikipedia

    en.wikipedia.org/wiki/Particle_image_velocimetry

    Particle image velocimetry (PIV) is a non-intrusive optical flow measurement technique used to study fluid flow patterns and velocities. PIV has found widespread applications in various fields of science and engineering, including aerodynamics, combustion, oceanography, and biofluids. The development of PIV can be traced back to the early 20th ...

  3. FIPS 201 - Wikipedia

    en.wikipedia.org/wiki/FIPS_201

    FIPS 201 ( Federal Information Processing Standard Publication 201) is a United States federal government standard that specifies Personal Identity Verification ( PIV) requirements for Federal employees and contractors. In response to HSPD-12, the NIST Computer Security Division initiated a new program for improving the identification and ...

  4. Defense Enrollment Eligibility Reporting System - Wikipedia

    en.wikipedia.org/wiki/Defense_Enrollment...

    An electronic data interchange personal identifier, or EDIPI, is a number assigned to a record in the United States Department of Defense's Defense Enrollment and Eligibility Reporting System (DEERS) database. A record in the DEERS database is a person plus personnel category (e.g. contractor, reservist, civilian, active duty, etc.).

  5. List of vacuum tubes - Wikipedia

    en.wikipedia.org/wiki/List_of_vacuum_tubes

    15.2 General literature and data sheets. 16 ... 1Y2 – 4 pin High-voltage rectifier with 1.5 V/290 mA filament. 50KV max PIV, 10mA peak, 2mA average. Usable up to 1 ...

  6. How to Have PIV or Toy in V Sex with an IUD Inserted: 8 Tips

    www.healthline.com/health/health-sex/sex-with-iud

    For real. Once a qualified healthcare professional inserts the IUD, you can engage in sexual activity as soon as you want — unless you had it inserted within 48 hours of giving birth. Before you ...

  7. Wind tunnel - Wikipedia

    en.wikipedia.org/wiki/Wind_tunnel

    In 1941 the US constructed one of the largest wind tunnels at that time at Wright Field in Dayton, Ohio. This wind tunnel starts at 45 feet (14 m) and narrows to 20 feet (6.1 m) in diameter. Two 40-foot (12 m) fans were driven by a 40,000 hp electric motor. Large scale aircraft models could be tested at air speeds of 400 mph (640 km/h).

  8. Real ID Act - Wikipedia

    en.wikipedia.org/wiki/Real_ID_Act

    The Real ID Act of 2005 (stylized as REAL ID Act of 2005) is an Act of Congress that establishes requirements that driver licenses and identification cards issued by U.S. states and territories must satisfy to be accepted for accessing federal government facilities and nuclear power plants and for boarding airline flights in the United States.

  9. Particle tracking velocimetry - Wikipedia

    en.wikipedia.org/wiki/Particle_tracking_velocimetry

    the three-dimensional particle tracking velocimetry (3-D PTV) is a distinctive experimental technique originally developed to study fully turbulent flows. It is now being used widely in various disciplines, ranging from structural mechanics research to medicine and industrial environments. It is based on a multiple camera-system in a ...