chromium
chromium漢語(yǔ)翻譯
【化】 鉻Cr
【醫(yī)】 鉻(24號(hào)元素)
chromium詞型變化
chromium英語(yǔ)解釋
名詞 chromium:
- a hard brittle multivalent metallic element; resistant to corrosion and tarnishing同義詞:Cr, atomic number 24
chromium例句
- I am going to rub up the chromium on the car.我準(zhǔn)備把汽車上的鍍鉻部件擦亮。
- A metallurgical coating process in which iron or steel is immersed in a powder of another metal, such as zinc, chromium, or aluminum, and heated to a temperature below the melting point of either.滲碳處理一種冶金鍍膜工序,在此工序中把鋼或鐵浸入另一種金屬如鋅、鉻或鋁的粉劑里,并加熱至這一金屬的熔點(diǎn)溫度以下
chromium詳細(xì)解釋
chro.mi.um
n.Symbol Cr (名詞)符號(hào) Cr A lustrous, hard, steel-gray metallic element, resistant to tarnish and corrosion and found primarily in chromite. It is used as a catalyst, to harden steel alloys and produce stainless steels, in corrosion-resistant decorative platings, and as a pigment in glass. Atomic number 24; atomic weight 5.99'; melting point ,890=C; boiling point 2,482=C; specific gravity 7.8; valence 2, 3, '.See table at element 鉻:一種有光澤的、藍(lán)灰色的堅(jiān)硬金屬元素。不失光澤,抗腐蝕,最早在鉻鐵礦中發(fā)現(xiàn)。用作催化劑,可加強(qiáng)鋼合金的強(qiáng)度和生產(chǎn)不銹鋼,可以做防腐鍍層和玻璃制品中的顏料。原子序數(shù)24;原子量5.99';熔點(diǎn),890=C;沸點(diǎn)2,482=C;比重7.8;化合價(jià)2,3,'參見(jiàn) element
來(lái)源:From French chrome * see chrome 源自 法語(yǔ) chrome *參見(jiàn) chrome