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  2. Electron paramagnetic resonance - Wikipedia

    en.wikipedia.org/wiki/Electron_paramagnetic...

    Electron paramagnetic resonance (EPR) or electron spin resonance (ESR) spectroscopy is a method for studying materials that have unpaired electrons. The basic concepts of EPR are analogous to those of nuclear magnetic resonance (NMR), but the spins excited are those of the electrons instead of the atomic nuclei. EPR spectroscopy is particularly ...

  3. Engine pressure ratio - Wikipedia

    en.wikipedia.org/wiki/Engine_pressure_ratio

    The engine pressure ratio (EPR) is the total pressure ratio across a jet engine, measured as the ratio of the total pressure at the exit of the propelling nozzle divided by the total pressure at the entry to the compressor. [1] Jet engines use either EPR or compressor/fan RPM as an indicator of thrust. [2]

  4. Pulsed electron paramagnetic resonance - Wikipedia

    en.wikipedia.org/wiki/Pulsed_electron...

    Spin echo animation showing the response of electron spins (red arrows) in the blue Bloch sphere to the green pulse sequence. Pulsed electron paramagnetic resonance (EPR) is an electron paramagnetic resonance technique that involves the alignment of the net magnetization vector of the electron spins in a constant magnetic field.

  5. ARP4761 - Wikipedia

    en.wikipedia.org/wiki/ARP4761

    ARP4761, Guidelines for Conducting the Safety Assessment Process on Civil Aircraft, Systems, and Equipment is an Aerospace Recommended Practice from SAE International. [1]

  6. Gromov Flight Research Institute - Wikipedia

    en.wikipedia.org/wiki/Gromov_Flight_Research...

    Aerospace flight research and testing in low and high speed aerodynamics, flight dynamics, propulsion and avionics technologies (GLL-8 (Gll-VK) Igla). [6] [7] [8] Testing and certification services for prototype aircraft and on-board equipment. [7] Research in aircraft flight safety, reliability, maintainability and other operating capabilities ...

  7. List of aviation, avionics, aerospace and aeronautical ...

    en.wikipedia.org/wiki/List_of_aviation,_avionics...

    Aviation weather briefing service [6] Available at designated FSS's AWG American Wire Gage: The larger the size number, the smaller the wire diameter. AWIS Aviation weather information service [6] Available at FSS: AWO All weather operations AWOS Automated weather observation system [6] Automated METAR reporting system AWWS Aviation weather web ...

  8. VICI Properties vs. EPR Properties: Which High-Yield ... - AOL

    www.aol.com/vici-properties-vs-epr-properties...

    But EPR had to cut its dividend during the pandemic. The big culprit was its movie theater exposure, as movie chains weren't in a particularly strong state entering the global health crisis. Given ...

  9. GE Aerospace Research - Wikipedia

    en.wikipedia.org/wiki/GE_Aerospace_Research

    GE Aerospace Research, formerly GE Research, [1] is the research and development division of GE Aerospace. [2] Before 2024, it was a division of the General Electric Company , which split three ways between 2023 and 2024 and pivoted to aviation.