элемент в следовом количестве

 

элемент в следовом количестве
—
[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]

EN

trace element
Any of various chemical elements that occur in very small amounts in organisms and are essential for many physiological and biochemical processes. (Source: CED)
[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]

Тематики

• охрана окружающей среды

EN

• trace element

DE

• Spurenelement

FR

• élément trace