铁精，中药名。为氧化物类刚玉族矿物赤铁矿Haematite矿石。分布于河北、河南、山西、山东、湖南、广东、四川等地。具有镇惊安神，消肿解毒之功效。主治惊悸癫狂，疔疮肿毒，脱肛。
铁精矿 iron ore concentrate ; concentrate ; iron concentrate
熟铁精炼炉 finery ; bloomery
铁精粉 Powdered Iron ; Fine iron powder ; fine iron ore concentrate
磁铁精矿 magnetite concentrate
菱铁精矿 siderite concentrate
坦赞铁路精神 Tazara spirit
铁精制 ferrofining
钛铁精矿 titaniferous iron concentrate
硫铁精矿 iron sulfide concentrate
经批生产考核，精铸球铁铸件的金相组织可达到球化级别2级，石墨球大小6级，珠光体含量10 %的要求。
Some batches of production showed that microstructure of nodular iron in investment casting can reach to 2 grade nodularization, 6 grade nodule size and 10% pearlite.
本文主要论述日用陶瓷釉料的制备工艺要做到精和细，特别是釉用主要原料在球磨前经过水洗除铁，可以明显改善釉面质量。
This paper discusses the preparation of daily ceramics glaze; Especially, the main glaze materials treated through water washing and deironing can remarkably improve the quality of glaze surface.
以优质铁鳞为原料，加强隧道窑和二次精还原工艺技术管理，确保铁粉质量。
The iron powder quality is ensured through tunnel kiln reduction and second reduction by using iron scale of high grade as raw material.
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