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nodal ray

См. также в других словарях:

  • nodal point — n either of two points so located on the axis of a lens or optical system that any incident ray directed through one will produce a parallel emergent ray directed through the other …   Medical dictionary

  • nodal point — noun : node; especially : either of two points so located on the axis of a lens or optical system that any incident ray directed through one will produce a parallel emergent ray directed through the other * * * Optics. either of two points on the …   Useful english dictionary

  • nodal point — Optics. either of two points on the axis of a lens or other optical system, determined by extending an incident oblique ray and the corresponding refracted ray to the axis for the pair of rays that are parallel outside the optical system. Also… …   Universalium

  • nodal points — one of two points on the axis of an optical system so situated that a ray falling on one will produce a parallel ray emerging through the other …   Medical dictionary

  • nodal point — /ˈnoʊdl pɔɪnt/ (say nohdl poynt) noun either of two points on the axis of a lens system, such that if the incident ray passes through one, travelling in a given direction, the emergent ray passes through the other …  

  • Mental Ray — Standalone Développeur Mental images, NVidia Dernière version …   Wikipédia en Français

  • X-ray standing waves — The X ray standing wave technique = The X ray standing wave (XSW) technique can be used to study the structure of surfaces and interfaces with high spatial resolution and chemical selectivity. Pioneered by B.W. Batterman in the 1960s the… …   Wikipedia

  • Cardinal point (optics) — For other uses, see Cardinal point (disambiguation). In Gaussian optics, the cardinal points consist of three pairs of points located on the optical axis of an ideal, rotationally symmetric, focal, optical system. For ideal systems, the basic… …   Wikipedia

  • Depth of field — The area within the depth of field appears sharp, while the areas in front of and beyond the depth of field appear blurry …   Wikipedia

  • chemical bonding — ▪ chemistry Introduction       any of the interactions that account for the association of atoms into molecules, ions, crystals, and other stable species that make up the familiar substances of the everyday world. When atoms approach one another …   Universalium

  • earthquake — /errth kwayk /, n. 1. a series of vibrations induced in the earth s crust by the abrupt rupture and rebound of rocks in which elastic strain has been slowly accumulating. 2. something that is severely disruptive; upheaval. [1300 50; ME erthequake …   Universalium

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