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  2. 1951 USAF resolution test chart - Wikipedia

    en.wikipedia.org/wiki/1951_USAF_resolution_test...

    A 1951 USAF resolution test chart is a microscopic optical resolution test device originally defined by the U.S. Air Force MIL-STD-150A standard of 1951. The design provides numerous small target shapes exhibiting a stepped assortment of precise spatial frequency specimens.

  3. Air Force Metrology and Calibration Program Office - Wikipedia

    en.wikipedia.org/wiki/Air_Force_Metrology_and...

    AFMETCAL (Air Force METrology and CALibration Program Office), located in Heath, Ohio is the primary manager of metrology services for the U.S. Air Force.It retains engineering authority for all calibrations performed in the PMEL labs throughout the Air Force, and oversees the contractor managed and operated Air Force Primary Standards Lab (AFPSL).

  4. Charge carrier density - Wikipedia

    en.wikipedia.org/wiki/Charge_carrier_density

    In this case, the carrier density (in this context, also called the free electron density) can be estimated by: [5] n = N A Z ρ m m a {\displaystyle n={\frac {N_{\text{A}}Z\rho _{m}}{m_{a}}}} Where N A {\displaystyle N_{\text{A}}} is the Avogadro constant , Z is the number of valence electrons , ρ m {\displaystyle \rho _{m}} is the density of ...

  5. Nike Air Force - Wikipedia

    en.wikipedia.org/wiki/Nike_Air_Force

    The Nike Air Force 1 was designed by Bruce Kilgore in 1982. [5] The name is a reference to Air Force One, the plane that carries the President of the United States. Nike Air Force 1s were ubiquitous in Harlem, New York, giving rise to the nickname "Uptowns". [6] The Air Force 1 began production in 1982 but was discontinued in 1984. [7]

  6. A Bunch of Nike Air Force 1s Are Majorly Discounted for Cyber ...

    www.aol.com/lifestyle/bunch-nike-air-force-1s...

    Our fashion editors combed through Nike's Cyber Monday Black Friday section to find a bunch of discounted Nike Air Force 1s. ... 800-290-4726 more ways to reach us. Mail. Sign in.

  7. Category:United States Air Force - Wikipedia

    en.wikipedia.org/wiki/Category:United_States_Air...

    Media in category "United States Air Force" This category contains only the following file. AUiX logo.PNG 513 × 480; 78 KB

  8. List of thermal conductivities - Wikipedia

    en.wikipedia.org/wiki/List_of_thermal_conductivities

    These thermal greases have low electrical conductivity and their volume resistivities are 1.5⋅10 15, 1.8⋅10 11, and 9.9⋅10 9 Ω⋅cm for 860, 8616 and 8617 respectively. The thermal grease 860 is a silicone oil with a Zinc Oxide filler and 8616 and 8617 are synthetic oils with various fillers including Aluminum Oxide and Boron Nitride.

  9. Bresle method - Wikipedia

    en.wikipedia.org/wiki/Bresle_method

    The Bresle method was launched in 1995 in the ISO 8502-6 and ISO 8502-9 standards. The test was developed to measure soluble salt concentration on steel surfaces prior to blasting cleaning and coating. Not only ISO, but also the US Navy, IMO, NAVSEA, and ASTM adopted this method as their standard. The method remains the primary and most ...