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  2. Delta Connection | Wikipedia

    en.wikipedia.org/wiki/Delta_Connection

    Delta Connection is a brand name for Delta Air Lines, under which a number of individually owned regional airlines primarily operate short- and medium-haul routes. Mainline major air carriers often use regional airlines to operate services via code sharing agreements in order to increase frequencies in addition to serving routes that would not sustain larger aircraft as well as for other ...

  3. Delta (situational awareness system) | Wikipedia

    en.wikipedia.org/wiki/Delta_(situational...

    Delta is a situational awareness [1] and battlefield management system developed and used in Ukraine. The system integrates information from a broad network of participants, including troops, civilian officials, and vetted bystanders; [2] and a wide range of streams, [1] including sensors, intelligence sources, surveillance satellites and drones, [2] especially geolocated data, which it maps ...

  4. Logarithmic mean temperature difference | Wikipedia

    en.wikipedia.org/wiki/Logarithmic_mean...

    Logarithmic mean temperature difference. In thermal engineering, the logarithmic mean temperature difference (LMTD) is used to determine the temperature driving force for heat transfer in flow systems, most notably in heat exchangers. The LMTD is a logarithmic average of the temperature difference between the hot and cold feeds at each end of ...

  5. Delta Air Lines Flight 1141 | Wikipedia

    en.wikipedia.org/wiki/Delta_Air_Lines_Flight_1141

    Delta Air Lines Flight 1141 was a scheduled domestic passenger flight between Dallas Fort Worth International Airport, Texas, and Salt Lake City International Airport, Utah. On August 31, 1988, the flight, using a Boeing 727-200 series aircraft, crashed during takeoff at Dallas Fort Worth International Airport, resulting in 14 deaths and 76 ...

  6. Logarithmic decrement | Wikipedia

    en.wikipedia.org/wiki/Logarithmic_decrement

    The logarithmic decrement is defined as the natural log of the ratio of the amplitudes of any two successive peaks: where x (t) is the overshoot (amplitude - final value) at time t and x(t + nT) is the overshoot of the peak n periods away, where n is any integer number of successive, positive peaks. The damping ratio is then found from the ...

  7. Doctors Say This Pooping Frequency Is the Most Healthy | AOL

    www.aol.com/doctors-pooping-frequency-most...

    Hormonal shifts, including what stage of your menstrual cycle you’re in, can also play a role in how often you poop, he says. All of those factors come together to dictate how often you poop, Dr ...

  8. List of Delta IV launches | Wikipedia

    en.wikipedia.org/wiki/List_of_Delta_IV_launches

    List of Delta IV launches. Delta IV was a group of five expendable launch systems in the Delta rocket family introduced in the early 2000s. Originally designed by Boeing 's Defense, Space and Security division for the Evolved Expendable Launch Vehicle (EELV) program, the Delta IV became a United Launch Alliance (ULA) product in 2006.

  9. List of Delta Sigma Theta National Conventions | Wikipedia

    en.wikipedia.org/wiki/List_of_Delta_Sigma_Theta...

    Delta Sigma Theta is the largest single organization historically founded for and by Black Women in the United States. Founded on January 13, 1913, at Howard University by twenty-two visionary collegiate students, Delta Sigma Theta is the first African American Greek-lettered organization for women based on the principles of servings others and ...