| streak |
The color of the powder that a mineral leaves when it is rubbed on a hard, rough surface.
출처: www.mdk12.org/instruction/curriculum/science/gloss...
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| streak |
The color of a minerals powder. It is often a more useful identification tool then color because it gives less variable results.
출처: www.gravestonepreservation.info/glossary.asp
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| streak |
Any lengthwise narrow visual defect in carpet. Dye streaks may be caused by a single pile end having different dye affinity from the others. Other streaks may be yarn defects such as tight twist, stretched yarn or yarns larger or smaller than the others. A moderate level of streaking is almost always present in saxony made from plied heatset yarns and should be considered characteristic of this style.
출처: www.carpetbuyershandbook.com/carpet_glossary_s.htm
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| streak |
The color of the fine powder of a mineral obtained by scratching or rubbing against a hard white surface and constituting an important distinguishing characteristic. Note: the streak color may be completely different from the color observed at the surface of the mineral.
출처: www.doe.mass.edu/frameworks/scitech/2001/resources...
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| streak |
primitive streak: an elongated band of cells that forms along the axis of an embryo early in gastrulation by the movement of lateral cells toward the axis and that develops a groove along its midline through which cells move to the interior of the embryo to form the mesoderm .
출처: pages.cpsc.ucalgary.ca/~becker/HatchingProgram/Can...
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