silikon

silikon

An element with atomic number 14; symbol: Si. Silicon is the most abundant element besides oxygen in planets, and forms the basis for silicate minerals such as olivine, pyroxene, and plagioclase.

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Kategori: Ilmu pengetahuan tentang planet
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silikon dioksid

Bahan-bahan kimia; Bahan-bahan kimia anorganik

SiO 2 Colorless, transparent crystals, soluble in molten alkalies and hydrofluoric acid; melts at 1710_C; used to make glass, ceramic products, abrasives, foundry molds, and ...

silikon nitrid

Bahan-bahan kimia; Bahan-bahan kimia anorganik

Si 3 N 4 A white, water-insoluble powder, resistant to thermal shock and to chemical reagents; used as a catalyst support and for stator blades of high-temperature gas turbines.

silikon-karbid

Bahan-bahan kimia; Bahan-bahan kimia anorganik

SiC Water-insoluble, bluish-black crystals, very hard and iridescent; soluble in fused alkalies; sublimes at 2210_C; used as an abrasive and a heat refractory, and in ...

silikon tetrafluorid

Bahan-bahan kimia; Bahan-bahan kimia anorganik

SiF 4 A colorless, suffocating gas absorbed readily by water, in which it decomposes; boiling point,_86_C; used in chemical analysis and to make fluosilicic acid. Also known as ...

silikon tetrahlorid

Bahan-bahan kimia; Bahan-bahan kimia anorganik

SiCl 4 A clear, corrosive, fuming liquid with suffocating aroma; decomposes in water and alcohol; boils at 57.6_C; used in warfare smoke screens, to make ethyl silicate and ...

Ceres

Astronomi; Ilmu pengetahuan tentang planet

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

Astronomi; Ilmu pengetahuan tentang planet

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

Astronomi; Ilmu pengetahuan tentang planet

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

Astronomi; Ilmu pengetahuan tentang planet

Phase transformation from solid to gas.

Misija Stardust

Astronomi; Ilmu pengetahuan tentang planet

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

Astronomi; Ilmu pengetahuan tentang planet

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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Industri / Domain: Pakaian Kategori: Mantel & jaket

Mao odelo

Jednostavna plava jakna sa dugmadima na sredini i nekoliko prednjih džepova. Mao ojelo je zapravo prvobitno nosio Sun Yatsen, ali je postalo povezano ...