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trace element

כלל.

substância mineral em quantidades mínimas da dieta alimentar

.בריאו, .תעשיי, .כִּימ

elemento vegetal; microelemento

trace elements ['treɪs'elɪmənts]

oligoelementos

trace element Any of various chemical elements that occur in very small amounts in organisms and are essential for many physiological and biochemical processes

microelementos