mottle


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Related to mottle: quantum mottle

mottle

[′mäd·əl]
(medicine)
An effect that occurs during radiological imaging when the dose of radiation is reduced to a level where quantum effects can be observed.

mottle

1. The pattern or arrangement of spots and cloudings forming a mottled surface, esp. in marble, or in wood veneer as a result of unusual variation in fiber growth or fiber arrangement. Also see fiddleback, quilted figure, blister figure. 2.See mottling.
References in periodicals archive ?
The strong brown mottles that form from the red mottles of the plinthite are well developed in the brown yellow B-horizon on the crest and on the upper part of the B-horizon on the shoulder (G-0 to G-2, `plinthic on crest').
Film graininess, nonuniformity of screen phosphor and quantum mottle contribute to overall radiographic mottle.[2] Of these three factors, quantum mottle is the dominant component and is the most important consideration regarding noise in the image.[3] Quantum mottle is defined as the statistical fluctuation in the number of photons per unit area that contribute to image formation.[4]
Because the original profile descriptions at Gatum were not made for the purpose of determining colour indices, the mottle size classes used in the calculation of Mokma and Cremeens' (1991) indices were changed to <5, 5-15, and 15-30 mm.
Despite the family fearing the worst, Mottle, who lost an eye in the attack, survived after spending three nights at the vets.
Bean pod mottle virus isolate 98 was collected from infected soybean at the CSREC, Urbana, 1L, and was maintained by continuous transfer and stored long term in desiccated refrigerated leaves.
Conventional high-low-high drying theory to avoid mottle was valid with lightweight coated (LWC) coat drying when the speed was 1000 m/min and the delay times for convective drying were relatively long.
Make 120 pieced squares using white solid and dark red mottle 3 7/8" squares (Diagram I-B).
3 Stitch dark purple/pink mottle 64" strips to sides; trim even with top and bottom.
TAPPI Virtual Seminars provide cost-effective, timely information on a variety of important topics including supply chain management, product development, negotiations, print mottle, reliability and maintenance, strategic sourcing, and more.
Fold white mottle strip in half lengthwise and widthwise and finger press.
TAPPI Virtual Seminar: Technical Aspects of Print Mottle; Printing Process, Coating Interactions and Structures Virtual Seminar Series, Part 1.