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 ; Magnesium sulfate heptahydrate
熟铁精炼炉 finery ; bloomery
铁精粉 Powdered Iron ; Iron ; Fine iron powder ; fine iron ore concentrate
磁铁精矿 magnetite concentrate ; fine magnetite concentrate
菱铁精矿 siderite concentrate
坦赞铁路精神 Tazara spirit
铁精制 ferrofining
就成了铁精 Iron Concentrate
钛铁精矿 titaniferous iron concentrate
肉身对“精”而言就像是一种负担，因为是祂在支撑着这一大堆蛋白质，水份，钙，铁等在那儿生生不息地活动。
Flesh body seems a burden of the "vital energy", because it supports a pile of protein, water, calcium and iron and so on to do activity.
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.
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