compensating chamber
11Scanning electron microscope — These pollen grains taken on an SEM show the characteristic depth of field of SEM micrographs …
12Anaesthetic vaporiser — An anaesthetic vaporiser is a device generally attached to an anaesthetic machine which delivers a given concentration of a volatile anaesthetic agent. The design of these devices takes account of varying *ambient temperature *fresh gas flow… …
13United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
14wind instrument — /wind/ a musical instrument sounded by the breath or other air current, as the trumpet, trombone, clarinet, or flute. [1575 85] * * * ▪ music Introduction any musical instrument that uses air as the primary vibrating medium for the… …
15Aerospike engine — The aerospike engine is a type of rocket engine that maintains its aerodynamic efficiency across a wide range of altitudes through the use of an aerospike nozzle. It is a member of the class of altitude compensating nozzle engines. A vehicle with …
16Spain — /spayn/, n. a kingdom in SW Europe. Including the Balearic and Canary islands, 39,244,195; 194,988 sq. mi. (505,019 sq. km). Cap.: Madrid. Spanish, España. * * * Spain Introduction Spain Background: Spain s powerful world empire of the 16th and… …
17Viola — Infobox Instrument color1=#FFD700 color2=#FFEC8B name=Viola italian name=Viola names= fr. alto; de. Bratsche classification=String instrument (bowed) range= related= *Violin family (violin, cello) *Viol family (includes double bass) musicians= *… …
18DRG Class 41 — Infobox German Railway Vehicle Baureihe= DRB Class 41 Farbe1 Farbe2 Abbildung= Locomotive BR41 360.jpg Name= BR 41 360 Nummerierung= 41 001–366 Hersteller= various Baujahre= 1937–1941 Ausmusterung= 1986 Anzahl= 366 Achsformel= Wheel arrangement=… …
19Turbocharger — A turbocharger, or turbo, is an air compressor used for forced induction of an internal combustion engine. Like a supercharger, the purpose of a turbocharger is to increase the mass of air entering the engine to create more power. However, a… …
20Chile under Allende — Salvador Allende was the president of Chile from 1970 until 1973, and head of the Popular Unity government; he was the first Marxist ever to be elected to the national presidency of a democracy. [http://www.historicaltextarchive.com/sections.php?o… …
