- fluorescent discharge tube
- Information technology: FDT
Универсальный русско-английский словарь. Академик.ру. 2011.
Универсальный русско-английский словарь. Академик.ру. 2011.
Fluorescent lamp — A fluorescent lamp or fluorescent tube is a gas discharge lamp that uses electricity to excite mercury vapor. The excited mercury atoms produce short wave ultraviolet light that then causes a phosphor to fluoresce, producing visible light.Unlike… … Wikipedia
tube — I (New American Roget s College Thesaurus) n. pipe, hose, conduit; tunnel, subway; slang, television. See passage. II (Roget s IV) n. 1. [A hollow cylinder] Syn. conduit, hose, test tube, tubing, tunnel, loom, subway; see also pipe 1 . 2. [A… … English dictionary for students
fluorescent tube — /flʊəˈrɛsənt ˈtjub/ (say floouh resuhnt tyoohb) noun an electric discharge tube in which light is produced when electricity excites mercury vapour in argon or neon gas, resulting in ultraviolet light which causes the phosphor coating on the… …
fluorescent lamp — a tubular electric discharge lamp in which light is produced by the fluorescence of phosphors coating the inside of the tube. [1895 1900] * * * Type of electric discharge lamp consisting of a glass tube filled with a mixture of argon and mercury… … Universalium
fluorescent lamp — noun lamp consisting of a tube coated on the inside with a fluorescent material; mercury vapor in the tube emits ultraviolet radiation that is converted to visible radiation by the fluorescent material • Hypernyms: ↑lamp * * * noun : a tubular… … Useful english dictionary
Tube de Crookes — Photo d un tube de Crookes. Les électrons circulent en ligne droite de la cathode, sur la gauche, mise en évidence par l ombre portée de la croix sur la paroi fluorescente, à droite. L anode est en bas. Un tube de Crookes est un des premiers… … Wikipédia en Français
fluorescent lamp — fluores′cent lamp′ n. elm a tubular electric discharge lamp in which light is produced by the fluorescence of phosphors coating the inside of the tube • Etymology: 1895–1900 … From formal English to slang
Gas-filled tube — See also: Gas discharge lamp A gas filled tube, also known as a discharge tube, is an arrangement of electrodes in a gas within an insulating, temperature resistant envelope. Although the envelope is typically glass, power tubes often use… … Wikipedia
Gas-discharge lamp — See also: Gas filled tube Germicidal lamps are simple low pressure mercury vapor discharges in a fused quartz envelope. Gas discharge lamps are a family of artificial light sources that generate light by sending an electrical discharge through an … Wikipedia
Crookes tube — A Crookes tube. The electrons travel in straight lines from the cathode on the left, shown by the shadow cast by the cross on the fluorescence on the righthand wall. The anode is at the bottom. A Crookes tube is an early experimental electrical… … Wikipedia
Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… … Wikipedia