period poluraspada

period poluraspada

The amount of time required for half of the mass of a radioactive isotope to decay.

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Vārdšķira: noun
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Nozare/domēns: Astronomy
Category: Planetary science
Company: PSRD
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period

Physics; General physics

The time required for one complete cycle of a wave.

period

Art history; Visual arts

An extended interval of time, understood usually within the context of an identifiable geographic region, characterized by a specific set of cultural, economic, social or ...

vreme poluraspada

Mathematics; Algebra

The length of time it takes half of an amount of radioactive material to decay.

vreme poluraspada

Anthropology; Cultural anthropology

The time taken for half the quantity of a radioactive isotope in a sample to decay (see also radioactive decay).

adaptacioni period

Psychology; Behavior analysis

The phase in a behavior analysis program during which adaptation takes place. This can be assumed when behavioral patterns stabilize.

Ceres

Astronomy; Planetary science

The largest of the known asteroids; a dwarf planet. Also called 1 Ceres because it was the first asteroid to be discovered (by Piazzi in 1801).

Jarkovski efekat

Astronomy; Planetary science

An explanation for the shift in an asteroid's orbit around the Sun due to a thermal thrust caused by the body's uneven heating by sunlight. The illuminated side of an asteroid ...

Viking

Astronomy; Planetary science

U. S. Mission to Mars, composed of two spacecraft, launched in 1975. Viking 1 and Viking 2 both consisted of an orbiter and a lander. Primary mission objectives were to obtain ...

sublimacija

Astronomy; Planetary science

Phase transformation from solid to gas.

Misija Stardust

Astronomy; Planetary science

The fourth in NASA's Discovery program of low-cost spacecraft with highly focused science goals, Stardust was comprised of a spacecraft and capsule that completed a seven-year, ...

Solarna i heliosfericna observatorija

Astronomy; Planetary science

A project of international collaboration between ESA and NASA to study the Sun from its deep core to the outer corona and the solar wind. SOHO was launched in December, 1995. SOHO ...