teški metal

teški metal

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. Examples include arsenic, cadmium, chromium, lead, and mercury .

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분야/도메인: 자연 환경
카테고리: 산호초
Organization: NOAA
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metal

화학; 일반 화학

A metal is a substance that conducts heat and electricity, is shiny and reflects many colors of light, and can be hammered into sheets or drawn into wire. Metals lose electrons ...

teški metali

고고학; 진화

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

teški metali

농약; 살충제

Metallic elements with high atomic weights; (e.g. mercury, chromium, cadmium, arsenic, and lead); can damage living things at low concentrations and tend to accumulate in the food ...

teški metali

자연 환경; 물

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

Hevi metal

음악; 일반 음악

Rock style that gained popularity in the 1970s, characterized by simple, repetitive ideas and loud, distorted instrumental solos.

protein

자연 환경; 산호초

A large complex molecule made up of one or more chains of amino acids. A typical protein contains 200-300 amino acids but some are much smaller and some much larger, e.g., titin, ...