melting — melt·ing (melґting) 1. undergoing or causing to undergo the transition from solid to liquid, as by the application of heat or pressure. 2. in molecular biology, the disruption of secondary structure in molecules or parts of molecules, such as the … Medical dictionary
meteorite — meteoritic /mee tee euh rit ik/, meteoritical, meteorital /mee tee euh ruyt l/, adj. /mee tee euh ruyt /, n. 1. a mass of stone or metal that has reached the earth from outer space; a fallen meteoroid. 2. a meteoroid. [1815 25; METEOR + ITE1] * * … Universalium
Chondrite — Not to be confused with Chondrodite. A specimen of the NWA 869 chondrite (type L4 6), showing chondrules and metal flakes Chondrites are stony meteorites that have not been modified due to melting or differentiation of the parent body. They… … Wikipedia
Oxy-fuel welding and cutting — Oxyacetylene redirects here. For the song, see Cubanate. Side of metal, cut by oxygen propane cutting torch … Wikipedia
History of Earth — The history of Earth covers approximately 4.6 billion years (4,567,000,000 years), from Earth’s formation out of the solar nebula to the present. This article presents a broad overview, summarizing the leading, most current scientific… … Wikipedia
firn — /fearn/, n. névé. [1850 55; < G (Swiss), n. use of firn last year s, old; c. OE fyrn former, ancient, Goth fairneis; akin to ON forn ancient. See BEFORE] * * * ▪ geology (German: “of last year”),also called Névé, partially compacted… … Universalium
сварка плавлением — Сварка, осуществляемая оплавлением сопрягаемых поверхностей без приложения внешней силы; обычно, но необязательно, добавляется расплавленный присадочный металл. [ГОСТ Р ИСО 857 1 2009] [ГОСТ Р ИСО 17659 2009] [ISO 17659:2002] сварка плавлением… … Справочник технического переводчика
fusion welding — welding involving localized melting without the application of external force in which the fusion surface(s) has (have) to be melted Источник: ГОСТ Р ИСО 17659 2009: Сварка. Термины многоязычные для сварных соединений … Словарь-справочник терминов нормативно-технической документации
ГОСТ Р ИСО 17659-2009: Сварка. Термины многоязычные для сварных соединений — Терминология ГОСТ Р ИСО 17659 2009: Сварка. Термины многоязычные для сварных соединений оригинал документа: actual throat thickness (fillet welds), the value of the height of the largest isosceles triangle that can be inscribed in the section of… … Словарь-справочник терминов нормативно-технической документации
ultrasonic welding — A high tech welding procedure used for metals (e.g., in wire bonding of integrated circuits) and plastics. Pressure is applied to the parts to be joined and ultrasonic vibrations are transmitted through the materials; frictional heat at the… … Dictionary of automotive terms
North America — North American. the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 ft. (6187 m); lowest, Death Valley, 276 ft. (84 m) below sea level. 400,000,000 including… … Universalium