- periodic focussing
- periodic focussing Wechselfeldfokussierung f
English-German dictionary of Electrical Engineering and Electronics. 2013.
English-German dictionary of Electrical Engineering and Electronics. 2013.
optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… … Universalium
Backward wave oscillator — A backward wave oscillator (BWO), also called carcinotron (a trade name for tubes manufactured by CSF, now Thales) or backward wave tube, is a vacuum tube that is used to generate microwaves up to the terahertz range. It belongs to the traveling… … Wikipedia
science, history of — Introduction the history of science from its beginnings in prehistoric times to the 20th century. On the simplest level, science is knowledge of the world of nature. There are many regularities in nature that mankind has had to… … Universalium
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
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Facilitation (business) — Facilitation in business, organizational development (OD) and in consensus decision making refers to the process of designing and running a successful meeting.Facilitation concerns itself with all the tasks needed to run a productive and… … Wikipedia
Young Earth creationism — Part of a series on Creationism History of creationism Neo creationism … Wikipedia
Hawridge — Infobox UK place| official name= Hawridge country= England region= South East England static area total sq mi= population= population density= os grid reference= SP950060 latitude= 51.7449 longitude= 0.6248 post town= Chesham postcode district =… … Wikipedia
Barts and The London School of Medicine and Dentistry — Established 1123 (St Bartholomew s Hospital) 1785 (London Hospital Medical College) 1843 (Medical College of St Bartholomew s Hospital) 1989 (Medical College of St Bartholomew s Hospital and the London Hospital Medical College merge) 1995… … Wikipedia
List of cathedrals in Ireland — This article lists the cathedrals, former cathedrals and intended cathedrals in Ireland.OverviewIt is a commonly held perception that the term cathedral may be applied to any particularly large or grand church. Whilst many cathedrals may be such … Wikipedia
Microtome — A microtome used in microscopy. A microtome (from the Greek mikros, meaning small , and temnein, meaning to cut ) is a sectioning instrument that allows for the cutting of extremely thin slices of material, known as sections. Microtomes are an… … Wikipedia