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where V is equipped with a quadratic form Q : V → K. The Clifford algebra Cl(V, Q) is the "freest" unital associative algebra generated by V subject to the...

A ventilation/perfusion lung scan, also called a V/Q lung scan, or ventilation/perfusion scintigraphy, is a type of medical imaging using scintigraphy...

t ) − V ( q , q ˙ , t ) ) ∂ q ˙ i q ˙ i ) − ( T ( q , q ˙ , t ) − V ( q , q ˙ , t ) ) = ∑ i = 1 n ( ∂ T ( q , q ˙ , t ) ∂ q ˙ i q ˙ i − ∂ V ( q , q ˙...

the position. r q {\displaystyle {\textbf {r}}_{q}} and v q {\displaystyle {\textbf {v}}_{q}} are the position and velocity of the charge, respectively...

quadratic spaces (V, Q) and (V′, Q′) are isometric if there exists an invertible linear transformation T : V → V′ (isometry) such that Q ( v ) = Q ′ ( T v )  for...

In respiratory physiology, the ventilation/perfusion ratio (V/Q ratio) is a ratio used to assess the efficiency and adequacy of the ventilation-perfusion...

Veritable Quandary, sometimes abbreviated as V.Q. or VQ, was a popular restaurant in downtown Portland, Oregon, United States. It was established in 1971...

by the potential energy V ( Q ) {\displaystyle V(Q)} and a kinetic term: w q = p q ρ q = 1 2 Q ˙ 2 − V ( Q ) 1 2 Q ˙ 2 + V ( Q ) {\displaystyle w_{q}={\frac...

v ‖ ⋅ U q → v = q s + ‖ q → v ‖ q → v ‖ q → v ‖ . {\displaystyle q=q_{s}+\lVert {\vec {q}}_{v}\rVert \cdot \mathbf {U} {\vec {q}}_{v}=q_{s}+\|{\vec {q}}_{v}\|\...

with V/Q scanning found that CTPA identified more emboli without increasing the risk of long-term complications compared to V/Q scanning. A V/Q scan may...

form L ( v , q ) = 1 2 ⟨ v , M v ⟩ − V ( q ) , {\displaystyle L(v,q)={\tfrac {1}{2}}\langle v,Mv\rangle -V(q),} where ( v , q ) {\displaystyle (v,q)} are...

orthogonal group CO(V, Q) is the group of linear transformations T of V for which there exists a scalar λ such that for all x in V Q ( T x ) = λ 2 Q ( x...

to show that v → ′ = q v → q − 1 = ( cos ⁡ α 2 + u → sin ⁡ α 2 ) v → ( cos ⁡ α 2 − u → sin ⁡ α 2 ) {\displaystyle {\vec {v}}'=q{\vec {v}}q^{-1}=\left(\cos...

\mathbf {e} _{q})} , actively transforms a vector u to a vector v such that v = Q u {\displaystyle \mathbf {v} =\mathbf {Q} \mathbf {u} } where v and u are...

\Omega } is arbitrary, we must have ∂ ∂ t ( ρ   η ) ≥ − ∇ ⋅ ( ρ   η   v ) − ∇ ⋅ ( q T ) + ρ s T . {\displaystyle {\frac {\partial }{\partial t}}(\rho ~\eta...

{\displaystyle V} , note that the translated sets V k = V + q k = { v + q k : v ∈ V } {\displaystyle V_{k}=V+q_{k}=\{v+q_{k}:v\in V\}} , k = 1 , 2 , … {\displaystyle...

exists due to both physiological right-to-left shunting and a physiological V/Q mismatch caused by gravity-dependent differences in perfusion to various...

quick (more than 80 and less than 160 flashes per minutes, abbreviated "V.Q") and ultra quick (no less than 160 flashes per minute, abbreviate "U.Q")...

is an arbitrary vector in C o n v ( Q ) {\displaystyle \mathrm {Conv} (Q)} . Since C o n v ( Q ) = ∑ n = 1 N C o n v ( Q n ) {\displaystyle \mathrm {Conv}...

caused by: Ventilation perfusion mismatch (V/Q mismatch), which can be either low or high. A reduced V/Q ratio can be caused by impaired ventilation...