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(english) A projection or an enlarged section of a casting through which a hole may be machine.
(Software Engineering) the creation of a mock-up of an application
(english) The bulk of the sand in the flask. The sand compacted on top of the facing sand that covers the pattern.
(english) (1) The metal present in the largest proportion in an alloy; (2) the metal to be brazed, cut or welded; (3) after welding the part of the metal that was not melted during the process.
(Environmental Engineering) Settling in which individual particles settle independently, neither agglomerating or interfering with the settling of the other particles present. This occurs in waters with a low concentration of particles.
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(english) A process of annealing a ferrous alloy in a closed metal container, with or without packing materials, in order to minimize the effects of oxidation. The charge is normally heated slowly to a temperature below the transformation range, but occasionally above or within it, and then is slowly cooled.
(Concrete Engineering) Particle distribution of granular materials among various sizes; for concrete material normally designated as gradation. Usually expressed in terms of cumulative percentages smaller or larger than each of a series of sieve openings or percentages between certain ranges of sieve openings.
(english) A rib in the cope of a tight flask to help support the sand.
(Software Engineering) a series of activities that assist an organization in producing high quality software
(Environmental Engineering) The amount of oxygen required to oxidize any ammonia present in a water.
(english) Process that rids boiler feed water of solids and maintains the proper chemical balance of the feed water. Blow down can also be used to rid drum(s) of excess water.