magnetite是什么意思？

magnetite

英['mægnɪtaɪt] 美['mægnəˌtaɪt]

• n. 磁铁矿；

例句

• At pegmatite contacts the composition changes to chalcopyrite, millerite, pyrite, and accompanied by magnetite and hematite. 在伟晶岩接触带,硫化物成分变为黄铜矿 、 针镍矿 、 黄铁矿及硫镍铁矿, 伴生有磁铁矿和赤铁矿.
• This is because the oxidation breaks down magnetite. 这是因为氧化磁铁矿蜕变.
• Most of the smaller hornblendite bodies contain about 5 - 10 percent magnetite, with only local sporadic enrichment. 在小的角闪岩体中,磁铁矿可占510%, 仅有局部的散染状富集.
• Iron ores of greatest economic interest contain magnetite and hematite. 最具有经济价值的铁矿包括磁铁矿和赤铁矿.
• The ore deposit can be named as subvolcanic hydrothermal garnet - diopside - magnetite deposit. 可把此矿床定名为次火山水热石榴子石-透辉石 - 磁铁矿矿床.
• It is said that the magnetite was formed by a chemical process called thermal decomposition. 据说这枚陨星是在热分解的化学过程中形成的。
• Associated minerals are mainly magnetite and ilmenite, subordinately pyrite and rarely chalcopyrite. 主要伴生矿物为磁铁矿、钛铁矿, 少量黄铁矿和微量黄铜矿.

英英词典释义

• Noun
  1. an oxide of iron that is strongly attracted by magnets

行业词典

• 冶金学： 磁铁矿；
  地质学： 磁铁矿；