ionization path
81X-ray tube — An X ray tube is a vacuum tube that produces X rays. They are used in X ray machines. X rays are part of the electromagnetic spectrum, an ionizing radiation with wavelengths shorter than ultraviolet light. X ray tubes evolved from experimental… …
82Wire chamber — Drift chamber at the Musée des Arts et Métiers in Paris …
83Megamaser — A megamaser is a type of astrophysical maser, which is a naturally occurring source of stimulated spectral line emission. Megamasers are distinguished from astrophysical masers by their large isotropic luminosity. Megamasers produce roughly 103… …
84Dust collector — Two rooftop dust collectors in Pristina, Kosovo A dust collector is a system used to enhance the quality of air released from industrial and commercial processes by collecting dust and other impurities from air or gas. Designed to handle heavy… …
85Prolate trochoidal mass spectrometer — A prolate trochoidal mass spectrometer is an chemical analysis instrument in which the ions of different mass to charge ratio are separated by means of mutually perpendicular electric and magnetic fields so that the ions follow a prolate… …
86Lightning protection system — A lightning protection system is a system that protects a structure from damage due to lightning strikes, either through safely conducting the strike to the ground, or preventing the structure from being struck. Most lightning protection systems… …
87microscope — /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… …
88Francium — radon ← francium → radium Cs ↑ Fr ↓ Uue …
89Vacuum 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… …
90Communications blackout — Not to be confused with radio silence or news blackout. In telecommunications, communications blackouts are a cessation of communications or communications capability, caused by a lack of power to a communications facility or to… …
