(working principle)
111Microtomography — Microtomography, like tomography, uses x rays to create cross sections of a 3D object that later can be used to recreate a virtual model without destroying the original model.The term micro is used to indicate that the pixel sizes of the cross… …
112LER — may refer to:* Ler books, a loosely connected trilogy about an offshoot of humanity called the Ler by M. A. Foster *Ler, Norway, a village in the municipality of Melhus, Norway *Let em Roll, a pricing game from The Price is Right * Leytonstone… …
113Piggybacking (data transmission) — Piggybacking is a bi directional data transmission technique in the network layer (OSI model). It makes the most of the sent data frames from receiver to emitter, adding the confirmation that the data frame sent by the sender was received… …
114Air suction valve — An air suction valve (SAV ) is a subsystem used to reduce emissions in the exhaust gases of internal combustion engines.Working principleWhen an engine exhaust valve is open, the pressure in the exhaust manifold is higher than atmospheric… …
115Subsonic and transonic wind tunnel — ubsonic tunnelLow speed wind tunnels are used for operations at very low mach number, with speeds in the test section up to 400 km/h ( 100 m/s, M = 0.3). They are of open return type ( losses. Open wind tunnelThe working principle is based on the …
116Keyboard protector — A Keyboard protector is a device which is placed on top of a computer keyboard to reduce its contact with the environment, for example to prevent dust entry, and to keep the keyboard in a pristine state and reduce or eliminate… …
117Air Data Inertial Reference Unit — (ADIRU) is an aircraft component.Cite web|url=http://acronyms.thefreedictionary.com/ADIRU|title=ADIRU|accessdate=2006 09 16|year=2005] It is a part of the integrated Air Data/Inertial Reference system (ADIRS) which consists of up to three Air… …
118Ferroelectret — Ferroelectrets are thin films of polymer foams, exhibiting piezoelectric and pyroelectric properties after electric charging. Ferroelectret foams usually consist of a cellular polymer structure filled with air. Polymer air composites are… …
119WET Web Tester — [ [http://wet.qantom.org Commercial Grade Web Automation Testing offering an Opensource alternative to Quicktest and Silktest ] ] is a web testing tool that drives an IE Browser directly and so the automated testing done is equivalent to how a… …
120Electronic nose — An electronic nose is a device intended to detect odors or flavors.Over the last decade, “electronic sensing” or “e sensing” technologies have undergone important developments from a technical and commercial point of view. The expression… …
