| sputtering yield | <radiobiology> Number of target particles sputtered per incident particle, varies with target and plasma species and energy. (09 Oct 1997) |
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| sputtering | <radiobiology> Process by which atoms are ejected from a solid surface by bombardment with plasma particles. See: radiation damage, surface. (09 Oct 1997) |
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| sustained yield | The maintenance in perpetuity of regular, periodic harvest of wood resources from forest land without damaging the productivity of the land. (05 Dec 1998) |
| quantum yield | The number of photons required for the formation of one oxygen molecule in photosynthesis. Varies from 8-14 depending on the system used to measure it. (18 Nov 1997) |
| yield | <botany> Standing crop expressed as a rate, i.e., grams dry weight per metre square per day. (09 Oct 1997) |
| yield strength | The amount of stress at which a permanent (plastic) deformation in a component becomes measurable (usually taken as 0.2% permanent strain). (05 Mar 2000) |
| yield stress | The critical stress that must be applied to a material before it begins to flow, as in a Bingham plastic. (05 Mar 2000) |