- grain-size number
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размер зерна
Англо-русский словарь технических терминов. 2005.
grain-size number
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grain size measurement — grain size is normally quantified by a numbering system. Coarse 1 5 and fine 5 8. The number is derived from the formula N=2n 1 where n is the number of grains per square inch at a magnification of 100 diameters. Grain size has an important… … Mechanics glossary
Grain boundary strengthening — (or Hall Petch strengthening) is a method of strengthening materials by changing their average crystallite (grain) size. It is based on the observation that grain boundaries impede dislocation movement and that the number of dislocations within a … Wikipedia
Grain growth — refers to the increase in size of grains (crystallites) in a material at high temperature. This occurs when recovery and recrystallisation are complete and further reduction in the internal energy can only be achieved by reducing the total area… … Wikipedia
Grain (cipher) — Grain is a stream cipher submitted to eSTREAM in 2004 by Martin Hell, Thomas Johansson and Willi Meier. It has been selected for the final eSTREAM portfolio for Profile 2 by the eSTREAM project. Grain is designed primarily for restricted hardware … Wikipedia
grain — grainer, n. grainless, adj. /grayn/, n. 1. a small, hard seed, esp. the seed of a food plant such as wheat, corn, rye, oats, rice, or millet. 2. the gathered seed of food plants, esp. of cereal plants. 3. such plants collectively. 4. any small,… … Universalium
Grain boundary — A grain boundary is the interface between two grains in a polycrystalline material. Grain boundaries disrupt the motion of dislocations through a material, so reducing crystallite size is a common way to improve strength, as described by the Hall … Wikipedia
Paper size — A size chart illustrating the ISO A series and a comparison with American letter and legal formats … Wikipedia
Film grain — or granularity is the random optical texture of processed photographic film due to the presence of small grains of a metallic silver developed from silver halide that have received enough photons.RMS granularityGranularity, or RMS granularity, is … Wikipedia
Serving size — The serving size of a food product is a confusing term, as it is found both on the Food Pyramid and on Nutrition Labels and has two related but differing meanings. The USDA Center for Nutrition Policy and Promotion sets the standards for these… … Wikipedia
Seed grain — Seed Seed (s[=e]d), n.; pl. {Seed} or {Seeds}. [OE. seed, sed, AS. s[=ae]d, fr. s[=a]wan to sow; akin to D. zaad seed, G. saat, Icel. s[=a][eth], s[ae][eth]i, Goth. manas[=e][thorn]s seed of men, world. See {Sow} to scatter seed, and cf.… … The Collaborative International Dictionary of English
Low copy number — (LCN) is a DNA profiling technique developed by the Forensic Science Service (FSS) and in use in some countries since 1999. In the United Kingdom the technique was briefly suspended from use between 21 December 2007 and 14 January 2008 while the… … Wikipedia
