configuration of the ground
101Complex (chemistry) — The term complex in chemistry is usually used to describe molecules or ensembles formed by the combination of ligands and metal ions. Originally, a complex implied a reversible association of molecules, atoms, or ions through weak chemical bonds …
102Conventional landing gear — The Piper Super Cub is a popular taildragger aircraft …
103Saturn V Instrument Unit — The Saturn V Instrument Unit is a ring shaped structure fitted to the top of the Saturn V rocket s third stage (S IVB) and the Saturn IB s second stage (S IVB). It was immediately below the SLA (Spacecraft/Lunar Module Adapter) panels that… …
104Ryan Model 147 — The Ryan Model 147 Lightning Bug was a drone, or unmanned aerial vehicle, developed from the earlier Ryan Firebee target drone series.DevelopmentRyan Model 136 Red Wagon and Lucy LeeIn 1959, Ryan Aeronautical performed a study to investigate how… …
105Aufbau principle — The Aufbau principle (from the German Aufbau meaning building up, construction : also Aufbau rule or building up principle) is used to determine the electron configuration of an atom, molecule or ion. The principle postulates a hypothetical… …
106Boston Consolidated TRACON — The Boston Consolidated TRACON (A90) is located at 25 Robert Milligan Parkway, Merrimack, NH 03054. BCT opened in 2004. The A90 function transferred to the new Boston Consolidated TRACON on February 22 2004. The MHT function transferred over on… …
107Feynman diagram — The Wick s expansion of the integrand gives (among others) the following termNarpsi(x)gamma^mupsi(x)arpsi(x )gamma^ upsi(x )underline{A mu(x)A u(x )};,whereunderline{A mu(x)A u(x )}=int{d^4pover(2pi)^4}{ig {mu u}over k^2+i0}e^{ k(x x )}is the… …
108Permanent way — The permanent way means the physical elements of the railway line itself: generally the pairs of rails typically laid on sleepers embedded in ballast, intended to carry the ordinary trains of a railway. This page describes British practice and… …
109Joint Light Tactical Vehicle — The Joint Light Tactical Vehicle is a U.S. Army, USSOCOM, and U.S. Marine Corps program to replace the current HMMWV with a family of more survivable vehicles and greater payload. In particular, the HMMWV was not designed to be an armored combat… …
110Space Shuttle Solid Rocket Booster — The Space Shuttle Solid Rocket Boosters (SRBs) are the pair of large solid rockets used by the Space Shuttle during the first two minutes of powered flight. They are located on either side of the orange external propellant tank. Each SRB produces …
