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corundum
  • 英语发声
  • 美语发声
  • n. 刚玉
  • 网络释义

    1、刚玉
    ...2 氧化物类矿物(Oxides)刚玉(Corundum)3 硅酸盐类矿物(Silicates) ...
    2、金刚砂
    8, 刚玉/金刚砂(CORUNDUM),可少量的提高亚光效果,可明显增加硬度,可少量降低膨胀系数。
    3、刚玉石
    ...corundolite 刚玉岩,无色合成刚玉corundum 刚玉,刚玉石Coscuez(Cosquez)emerald 科斯凯茨祖母绿 ...

    短语

    corundum brick[建] 刚玉砖;锆铬刚玉砖

    white corundum白刚玉

    corundum refractory刚玉耐火材料

    corundum anorthosite刚玉斜长石

    corundum gabbro刚玉辉长岩

    common corundum普通刚玉

    corundum disk[建] 金刚砂切缝盘;翻译

    Star Corundum星石刚玉

    Corundum rock刚玉岩

    专业释义

    化学
    • 刚玉

      Chromium oxide green with corundum crystal structure has such characteristics as high thermal stability, high painted capacity, chemical corrosion-resisting capacity, etc.

      刚玉晶体结构型氧化铬有高的着色力、高热稳定性及耐化学腐蚀等特点。

      参考来源 - 聚酰亚胺中添加磨粒作为新型抛光材料的初步研究
    机械工程
    • 刚玉

      For example, the refractory product of SiAlON bonded corundum is used for blast furnace and so on. But As high cost of non-oxide products and the poor basic theory study about it as refractory, the non-oxides refractory application is limited.

      从目前的研究看,非氧化物在耐火材料中的应用非常成功,如Sialon结合刚玉制品作为高炉陶瓷材料等,但是由于非氧化物的生产成本高以及非氧化物及其复合材料用作耐火材料的基础理论研究还不够,限制了非氧化物在耐火材料中的应用和转化。

      参考来源 - MgAION及其复合材料直接制备及性能研究
      刚玉石
    地球科学
    • 映红
      刚玉
      红宝石
      肉红色刚玉

    英英释义

    corundum

    n.very hard mineral used as an abrasive

    同义词:corundom




    英汉双解大词典

    corundum /kəˈrʌndəm/

    • 1.  

      N(名词) a white, grey, blue, green, red, yellow, or brown mineral, found in metamorphosed shales and limestones, in veins, and in some igneous rocks. It is used as an abrasive and as gemstone; the red variety is ruby, the blue is sapphire. Composition: aluminium oxide. Formula: Al2O3. Crystal structure: hexagonal (rhombohedral) 刚玉