teški metali

teški metali

Metals that have a density of 5.0 or higher and a high elemental weight. Most are toxic to humans, even in low concentrations.

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Κλάδος/Τομέας: Natural environment
Category: Water
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metali

Jewelry; Κοσμήματα

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

Natural environment; Coral reefs

A metal having a specific gravity of 5.0 or greater. Heavy metals are generally toxic to organisms in relatively low concentrations, and tend to accumulate in the food web. ...

plemeniti metali

Jewelry; Κοσμήματα

Valuable metals often used to make coins or jewelry.

atom

Natural environment; Water

The smallest unit of matter that is unique to a particular element. They are the ultimate building blocks for all matter.

ekosistem

Natural environment; Water

The interacting system of a biological community and its non-living environmental surroundings.

pora

Natural environment; Water

An opening in a membrane or medium that allows water to pass through.

temperatura

Natural environment; Water

The degree of hotness or coldness.

jon

Natural environment; Water

An atom in a solution that is charged, either positively (cations) or negatively (anions).

elektrodijaliza

Natural environment; Water

A process that uses electrical current applied to permeable membranes to remove minerals from water. Often used to desalinize salty or brackish water.

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Κλάδος/Τομέας: Biology Category: Human genome

eugenika

Eugenics is a bio-social movement which advocates the practice that very talented people should spread their genes by having more children, and less ...