- dark-ground illumination
- • освещение (объекта) на затемненном поле• освещение (объекта) на затемненном фоне
Англо-русский словарь по авиационной медицине. 2013.
dark-ground illumination
Смотреть что такое "dark-ground illumination" в других словарях:
dark-ground illumination — noun (biology) A method for the microscopic examination of living material by scattered light, specimens appearing luminous against a dark background (cf ↑bright field illumination) • • • Main Entry: ↑dark … Useful english dictionary
dark ground illumination — noun a form of microscopic examination of living material by scattered light; specimens appear luminous against a dark background • Syn: ↑dark field illumination • Hypernyms: ↑microscopy … Useful english dictionary
dark field illumination — noun a form of microscopic examination of living material by scattered light; specimens appear luminous against a dark background (Freq. 1) • Syn: ↑dark ground illumination • Hypernyms: ↑microscopy … Useful english dictionary
Dark field microscopy — (dark ground microscopy) describes microscopy methods, in both light and electron microscopy, which exclude the unscattered beam from the image. As a result, the field around the specimen (i.e. where there is no specimen to scatter the beam) is… … Wikipedia
illumination — 1. Throwing light on the body or a part or into a cavity for diagnostic purposes. 2. Lighting an object under a microscope. [L. il lumino, pp. atus, to light up] axial i. the transmission or reflection o … Medical dictionary
darkfield illumination — dark ground illumination the throwing of peripheral rays of light upon a microscopical object from the side, the center rays being blocked out: the object appears bright upon a dark background. See under microscope, and see ultramicroscope … Medical dictionary
Critical illumination — or Nelsonian illumination is a method of specimen illumination used for transmitted and reflected light (trans and epi illuminated) optical microscopy. Critical illumination focuses an image of a light source on to the specimen for bright… … Wikipedia
painting, Western — ▪ art Introduction history of Western painting from its beginnings in prehistoric times to the present. Painting, the execution of forms and shapes on a surface by means of pigment (but see also drawing for discussion of depictions in … Universalium
Metallography — A micrograph of bronze revealing a cast dendritic structure Metallography is the study of the physical structure and components of metals, typically using microscopy. Ceramic and polymeric materials may also be prepared using metallographic… … Wikipedia
microscope — /muy kreuh skohp /, n. 1. an optical instrument having a magnifying lens or a combination of lenses for inspecting objects too small to be seen or too small to be seen distinctly and in detail by the unaided eye. 2. (cap.) Astron. the… … Universalium
light — I (New American Roget s College Thesaurus) I adj. airy (see levity); frivolous, jesting, jocular, lightsome; giddy, dizzy, flighty; wanton; nimble, agile; flippant, pert, insouciant; humorous; trivial. See cheerfulness, unimportance, impurity,… … English dictionary for students
