boron mineral 中文意思是什麼

boron mineral 解釋
硼礦物
  • boron : n. 【化學】硼。adj. -ic ,-ization n. 【冶金】滲硼。
  • mineral : n. 1. 礦物；〈口語〉礦石；【化學】無機物。2. 〈英國〉〈pl. 〉＝ mineral water. adj. 礦物（性）的；含礦物的；無機的。 the mineral kingdom 礦物界。
  1. The tourmaline is a kind of boron and silicate mineral, calling " the green imperial or royal seal " of the gems, there are its colors in many, the crystallization has nothing in common with each other, the crystal structure has tripartite crystal, six arrises body, post form body and one bunch of needles form fibrous respectively, the hardness of the tourmaline is generally about 7. 3 - 9. 6, the relative density is 3. 03 - 3. 25

    式中r代表金屬陽離子，當r為mg2 fe2或li al3時，分別構成鎂電氣石黑電氣石和鋰電氣石三個端員礦物種。電氣石晶體呈近三角形的柱狀，兩端晶形不同，柱面具縱紋，常呈柱狀針狀放射狀和塊狀集合體。
  2. You may well ask how that is possible. tourmalines are mixed crystals of aluminium boron silicate with a complex and changing composition. it s a rather complex mineral group

    是極為復雜的硼鋁硅酸鹽，其中可含一種或數種以下成分：鎂鈉鋰鐵鉀或其他金屬。
  3. It is pointed out that there exist abundant precambrian mineral resources in china, forming numerous large - superlarge iron, copper, lead, zinc, nickel, gold, ree, manganese, graphite, magnesite, talc, boron, phosphorus, pyrite, rutile and vermiculite deposits

    指出中國前寒武紀蘊藏著豐富的礦產資源，形成了眾多的鐵、銅、鉛鋅、鎳、金、稀土、錳、石墨、菱鎂礦、滑石、硼、磷、硫鐵礦、金紅石、蛭石等大型超大型礦床。
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