магний дибориді

магний дибориді

MgB₂ A crystalline intermetallic compound, produced as a black powder, that becomes superconducting at the unusually high temperature of 39 K (_389_F; _234_C); melts at 800 _C. Also known as magnesium boride.

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ส่วนหนึ่งของคำพูด: noun
คำเหมือน: magnesium flux_₀
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อุตสาหกรรม/ขอบเขต: Chemistry
Category: Inorganic chemistry
Company: McGraw-Hill
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Chemistry; Inorganic chemistry

A binary compound of carbon with an element more electropositive than carbon; carbon-hydrogen compounds are excluded.

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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 ...

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Chemistry; Inorganic chemistry

3ZnO_2B 2 O 3 A white, amorphous powder that is soluble in dilute acids, slightly soluble in water; melts at 980_C; used in medicine, as a ceramics flux, as an inhibitor for ...

кобальттық нитрат

Chemistry; Inorganic chemistry

Co(NO 3 ) 2 _6H 2 O A red crystalline compound with a melting point of 56_C; soluble in organic solvents; used in sympathetic inks, as an additive to soils and animal feeds, and ...

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Chemistry; Inorganic chemistry

Hg(CN) 2 Poisonous, colorless, transparent crystals that darken in light, decompose when heated; soluble in water and alcohol; used in photography, medicine, and germicidal ...

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Chemistry; Inorganic chemistry

Na 2 CO 3 A white, water-soluble powder that decomposes when heated to about 852_C; used as a reagent; forms a monohydrate compound, Na 2 CO 3 _H 2 O, and a decahydrate ...

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Also known as All Hallow's Eve, Halloween is an annual holiday celebrated on October 31st in America, Canada, and the UK. It is supposedly the one day ...