英语词汇“Invar”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

Invar

/ˈɪnvɑː

noun [mass noun] trademark

An alloy of iron and nickel with a negligible coefficient of expansion, used in the making of clocks and scientific instruments.Mr Bebb marvelled judges with a demonstration about Invar, an alloy which does not contract or expand when the temperature changes using nothing but balloons and chit-chat....

This includes joining hard-to-weld and exotic materials such as the stainless steels, aluminum, magnesium, copper, beryllium copper, Hastelloy, Inconel, Invar and Kovar, especially in very thin cross sections.
Choosing a material with a low coefficient of thermal expansion, such as Invar, is one method for minimizing thermal drift.

Origin

Early 20th century: abbreviation of invariable.

单词	Invar
释义	Invar /ˈɪnvɑː / noun [mass noun] trademark An alloy of iron and nickel with a negligible coefficient of expansion, used in the making of clocks and scientific instruments.Mr Bebb marvelled judges with a demonstration about Invar, an alloy which does not contract or expand when the temperature changes using nothing but balloons and chit-chat.... This includes joining hard-to-weld and exotic materials such as the stainless steels, aluminum, magnesium, copper, beryllium copper, Hastelloy, Inconel, Invar and Kovar, especially in very thin cross sections. Choosing a material with a low coefficient of thermal expansion, such as Invar, is one method for minimizing thermal drift. Origin Early 20th century: abbreviation of invariable. Rhymes aargh, Accra, afar, ah, aha, aide-mémoire, ajar, Alcazar, are, Armagh, armoire, Artois, au revoir, baa, bah, bar, barre, bazaar, beaux-arts, Bekaa, bête noire, Bihar, bizarre, blah, Bogotá, Bonnard, bra, cafard, café noir, Calabar, car, Carr, Castlebar, catarrh, Changsha, char, charr, cigar, comme ci comme ça, commissar, coup d'état, de haut en bas, devoir, Dhofar, Directoire, Du Bois, Dumas, Dunbar, éclat, embarras de choix, escritoire, fah, famille noire, far, feu de joie, film noir, foie gras, Fra, galah, gar, guar, guitar, ha, hah, ha-ha, Halacha, hurrah, hussar, huzza, insofar, jar, je ne sais quoi, ka, kala-azar, Kandahar, khimar, Khorramshahr, knar, Krasnodar, Kwa, la-di-da, lah, Lehár, Loire, ma, mama, mamma, mar, Mardi Gras, ménage à trois, mirepoix, moire, nam pla, Navarre, noir, objet d'art, pa, pah, Panama, papa, par, Pará, Paraná, pas, pâté de foie gras, peau-de-soie, pietà, Pinot Noir, pooh-bah, poult-de-soie, pya, rah, registrar, Saar, Salazar, Sana'a, sang-froid, scar, schwa, Seychellois, shah, Shangri-La, shikar, ska, sol-fa, spa, spar, star, Starr, Stranraer, ta, tahr, tar, tartare, tata, tra-la, tsar, Twa, Villa, voilà, waratah, yah
随便看	artillery horse artilleryman artillery park artillery plant artillery tractor artillery train artillery wheel artillery yard artily arti-natural artiness artinite artiodactyl Artiodactyla artisan artisanal artisanate artisanry artisanship art is long, life is short artist artistdom artiste artistess artistic

Invar

Origin

Rhymes