roentgen tube
51diagnosis — /duy euhg noh sis/, n., pl. diagnoses / seez/. 1. Med. a. the process of determining by examination the nature and circumstances of a diseased condition. b. the decision reached from such an examination. Abbr.: Dx 2. Biol. scientific… …
52x-ray — 1. The ionizing electromagnetic radiation emitted from a highly evacuated tube, resulting from the excitation of the inner orbital electrons by the bombardment of the target anode with a stream of electrons from a heated cathode. SYN: roentgen… …
53LUMIÈRE - Optique — Il est difficile de séparer nettement les notions de lumière et d’optique. La lumière, évidence sensible, apparaît communément comme première par rapport à l’optique, science dont l’objet est l’étude de la lumière et qui englobe toutes les… …
54X ray — noun 1. electromagnetic radiation of short wavelength produced when high speed electrons strike a solid target (Freq. 6) • Syn: ↑X ray, ↑X radiation, ↑roentgen ray • Hypernyms: ↑electromagnetic radiation, ↑electromagnetic wave, ↑ …
55Diesel engine — Diesel engines in a museum Diesel generator on an oil tanker …
56Victoria and Albert Museum — Coordinates: 51°29′48″N 0°10′19″W / 51.496667°N 0.171944°W / 51.496667; 0.171944 …
57List of Doctor Who monsters and aliens — This is a list of monsters and aliens from the long running BBC science fiction television series Doctor Who . The list includes some races which are not extraterrestrial, but are nonetheless non human. This list is meant to cover alien races and …
58List of radiation topics — *absorbed dose *equivalent dose *hormesis *Louis Harold Gray (British physicist) *rad (unit) *radar *radar astronomy *radar cross section *radar detector *radar gun *radar jamming *(radar reflector) corner reflector *radar warning receiver… …
59Welsh inventions and discoveries — Famous Welsh innovators and visionariesSome elements of this list may be disputed.Eddie Bowen, Pioneer of Radar. Worked at Woomera Rocket Testing Base in Australia. Invented artificial rain in the 1950s Born in Gendros, Swansea. David Brunt,… …
60Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …
