teški metali

teški metali

Metals with a high relative atomic mass, such as lead, copper, zinc, and mercury. Many of them are toxic.

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Ювелирное дело; Общие термины по ювелирному делу

Fine jewelry and jewelry settings are crafted of metal. Common metals include gold, silver, platinum and titanium. Metals can be used in pure form or combined to increase ...

teški metal

Естественная природная среда; Коралловые рифы

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Valuable metals often used to make coins or jewelry.

tipologija

Археология; Эволюция

(1) The definition of classificatory groups by phenetic similarity to a "type" specimen. A species, for example, might be defined as all individuals less than x phenetic units ...

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Археология; Эволюция

A case in which one species looks more or less similar to another species. See Batesian mimicry and Müllerian mimicry.

spolni hromozom

Археология; Эволюция

The chromosome or chromosomes that influence sex determination. In mammals, including humans, the X and Y chromosomes are the sex chromosomes (females are XX, males XY). Compare ...

metabolizam

Археология; Эволюция

The chemical processes that occur in a living organism in order to maintain life. There are two kinds of metabolism: constructive metabolism, or anabolism, the synthesis of the ...

paleobiologija

Археология; Эволюция

The biological study of fossils.

ćelija

Археология; Эволюция

The basic structural and functional unit of most living organisms. Cell size varies, but most cells are microscopic. Cells may exist as independent units of life, as in bacteria ...

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Bajram

Muslim holiday that marks the end of Ramadan, Muslims are not only celebrating the end of fasting, but thanking GOD for the help and strength that he ...