maseni spektrometar

maseni spektrometar

Instrument that produces and measures, usually by electrical means, a mass spectrum. It separates ions according to the ratio of their mass to charge, allowing scientists to determine the abundances of each isotope.

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Nozare/domēns: Astronomy
Category: Planetary science
Company: PSRD
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maseni spektar

Chemistry; General chemistry

A plot showing the results of a mass spectrometry experiment, which shows the presence of particles with different masses as a series of sharp, separate peaks. The position of ...

maseni broj

Chemistry; General chemistry

The total number of protons and neutrons in an atom or ion. In nuclide symbols the mass number is given as a leading superscript. In isotope names (e. g. carbon-14, sodium-23) ...

maseni broj

Physics; General physics

The sum of the number of protons and neutrons in a nucleus.

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 ...

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Flojd Mejveder

Born Floyd Sinclair on February 24, 1977, an American professional boxer. He is a five-division world champion, where he won nine world titles in five ...