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In chemistry, a delta bond (δ bond) is a covalent chemical bond, in which four lobes of an atomic orbital on one atom overlap four lobes of an atomic orbital on another atom. This overlap leads to the formation of a bonding molecular orbital with two nodal planes which contain the internuclear axis and go through both atoms.
The empty delta sign is a radiologic sign seen on brain imaging which is associated with cerebral venous sinus thrombosis.It is usually seen on magnetic resonance imaging (MRI) or computed tomography (CT) scans with contrast.
The generalized Kronecker delta or multi-index Kronecker delta of order is a type (,) tensor that is completely antisymmetric in its upper indices, and also in its lower indices. Two definitions that differ by a factor of p ! {\displaystyle p!} are in use.
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In 2003, Rich Barton resigned as CEO and was replaced by Erik Blachford. [9]In December 2004, Dara Khosrowshahi was announced as CEO. [10]In March 2017, Chelsea Clinton was named to the board of directors of Expedia, with compensation of $45,000 a year in cash, plus $250,000 a year in stock vesting over three years.
Julia Scarlett Elizabeth Louis-Dreyfus (/ ˌ l uː i ˈ d r aɪ f ə s / LOO-ee DRY-fəs; born January 13, 1961) is an American actress and comedian.Often described as one of the greatest performers in television history, [1] [2] [3] she is widely known for her roles as various characters on Saturday Night Live (1982–1985), Elaine Benes on Seinfeld (1990–1998), Christine Campbell on The ...
The symbols Δt and ΔT (spoken as "delta T") are commonly used in a variety of contexts. Time. ΔT (timekeeping) ...
In computer science, a heartbeat is a periodic signal generated by hardware or software to indicate normal operation or to synchronize other parts of a computer system. [1] [2] Heartbeat mechanism is one of the common techniques in mission critical systems for providing high availability and fault tolerance of network services by detecting the network or systems failures of nodes or daemons ...