beam shape

  • 21External beam radiotherapy — otherwise known as teletherapy, is the most frequently used form of radiotherapy. The patient sits or lies on a couch and an external source of radiation is pointed at a particular part of the body. Kilovoltage (also known as Superficial or Deep) …

    Wikipedia

  • 22I-beam — noun girder having a cross section resembling the letter I • Hypernyms: ↑girder * * * /uy beem /, n. a rolled or extruded metal beam having a cross section resembling an I. See illus. under shape. [1890 95] * * * Iˈ beam noun 1. A metal girder I… …

    Useful english dictionary

  • 23I-beam — I beams (also known as W beams or double T esp. in Polish and German) are beams with an I or H shaped cross section ( W stands for wide flange ). The horizontal elements are flanges, while the vertical element is the web. The Euler Bernoulli beam …

    Wikipedia

  • 24Ion-beam sculpting — Ion Beam scultping is a term used to describe a two step process to make solid state nanopores. The term itself was coined by Golovchenko and co workers at Harvard in the paper Ion beam sculpting at nanometer length scales [J. Li, D. Stein, C.… …

    Wikipedia

  • 25Electron beam induced current — (EBIC) is a semiconductor analysis technique performed in a scanning electron microscope (SEM) or scanning transmission electron microscope (STEM). It is used to identify buried junctions or defects in semiconductors, or to examine minority… …

    Wikipedia

  • 26Fork beam — Fork Fork (f[^o]rk), n. [AS. forc, fr. L. furca. Cf. {Fourch[ e]}, {Furcate}.] 1. An instrument consisting of a handle with a shank terminating in two or more prongs or tines, which are usually of metal, parallel and slightly curved; used for… …

    The Collaborative International Dictionary of English

  • 27I-beam — [ī′bēm΄] n. a steel beam which in cross section has the shape of an I …

    English World dictionary

  • 28H-beam — /aych beem /, n. an I beam having flanges the width of the web. Also called H bar /aych bahr /. See illus. under shape. * * * Hˈ beam noun A metal girder H shaped in section • • • Main Entry: ↑H …

    Useful english dictionary

  • 29Tail beam — Tail Tail, n. [AS. t[ae]gel, t[ae]gl; akin to G. zagel, Icel. tagl, Sw. tagel, Goth. tagl hair. [root]59.] 1. (Zo[ o]l.) The terminal, and usually flexible, posterior appendage of an animal. [1913 Webster] Note: The tail of mammals and reptiles… …

    The Collaborative International Dictionary of English

  • 30H-beam — /aych beem /, n. an I beam having flanges the width of the web. Also called H bar /aych bahr /. See illus. under shape. * * * …

    Universalium