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braunite
[ˈbraʊnaɪt] [brɑːʌˈnaɪt]

  • n. 褐锰矿;布氏体;布劳奈铁

专业释义英英释义

  • 勃氏体
    布氏体
  • 褐锰矿
  • 褐锰矿
  • 褐锰矿

·2,447,543篇论文数据,部分数据来源于NoteExpress

Braunite

  • abstract: Braunite is a silicate mineral containing both di- and tri-valent manganese with the chemical formula:

以上来源于: WordNet

 柯林斯英汉双解大词典 

braunite /ˈbraʊnaɪt/

  • 1. 

    N a brown or black mineral that consists of manganese oxide and silicate and is a source of manganese. Formula: 3Mn2O3.MnSiO3 褐锰矿

双语例句

  • Ore minerals are composed of psilomelane, pyrolusite, braunite, rhodochrosite and manganocalcite and gangue minerals are composed of magnetite, goethite and pyrite and so on.

    矿石矿物主要有硬锰矿、软锰矿、褐锰矿、菱锰矿、钙菱锰矿脉石矿物主要磁铁矿针铁矿黄铁矿等。

    youdao

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