A new material electric conducting magnesia carbon brick used for DC furnace bottom anode is briefly described.

主要介绍了DC炉底阳极的最新材料——导电镁碳砖。

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When light waves enter normal materials such as glass, the material alters the electric and magnetic fields in the light, slowing the waves to a particular new speed.

当光波进入普通材料时，如玻璃，这些材料改变了光波中的电磁场，使光波降低到某一新的速度。

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They have a minuscule mass, no electric charge, and pass through almost any material as though it was not there.

它们质量极小，不带电荷，可以穿透几乎任何物体而不留痕迹。

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Plus, FMC sells recession-resistant chemicals like coatings for pills, and a third of its revenue comes from specialty chemicals, including lithium, the raw material for the next generation of electric-vehicle batteries ( click here for related story).

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Gleason was astonished, but he was also savvy enough to know that something was happening in his city as folkies began going electric and writing their own material.

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These account for 10% of the total, including Faraday's electric motor (1821), waterproof material (1823), Aspdin's cement (1824), George Stephenson's passenger railway (1825) and the lawnmower by Edwin Beard Budding (1827).

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