**Frank lead system** — in spatial vectorcardiography, the most commonly used corrected system of orthogonal leads, consisting of seven electrodes placed and connected to form leads X, Y, and Z, which describe the transverse, vertical, and sagittal planes, respectively … Medical dictionary

**spatial vectorcardiography** — vector cardiography in which the potential vectors of cardiac excitation are projected upon three mutually perpendicular coordinates, usually designated X, Y, and Z, where X is the transverse (right or left), Y the vertical (up or down), and Z… … Medical dictionary

**Derivation of the Navier–Stokes equations** — The intent of this article is to highlight the important points of the derivation of the Navier–Stokes equations as well as the application and formulation for different families of fluids. Contents 1 Basic assumptions 2 The material derivative 3 … Wikipedia

**Mechanics of planar particle motion** — Classical mechanics Newton s Second Law History of classical mechanics … Wikipedia

**Centrifugal force (planar motion)** — In classical mechanics, centrifugal force (from Latin centrum center and fugere to flee ) is one of the three so called inertial forces or fictitious forces that enter the equations of motion when Newton s laws are formulated in a non inertial… … Wikipedia

**Latin American architecture** — Introduction history of architecture in Mesoamerica, Central America, South America, and the Caribbean beginning after contact with the Spanish and Portuguese in 1492 and 1500, respectively, and continuing to the present. For… … Universalium

**Love** — For other uses, see Love (disambiguation). Archetypal lovers Romeo and Juliet portrayed by Frank Dicksee … Wikipedia

**Geometric algebra** — In mathematical physics, a geometric algebra is a multilinear algebra described technically as a Clifford algebra over a real vector space equipped with a non degenerate quadratic form. Informally, a geometric algebra is a Clifford algebra that… … Wikipedia

**Secondary measure** — In mathematics, the secondary measure associated with a measure of positive density ho when there is one, is a measure of positive density mu, turning the secondary polynomials associated with the orthogonal polynomials for ho into an orthogonal… … Wikipedia

**building construction** — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… … Universalium