A weakly magnetic black mineral found in metamorphic and plutonic rocks; an iron titanium oxide in crystalline form; a source of titanium.
一种具有弱磁性的黑色矿物，见于变质岩和火成岩中，晶体状铁钛氧化物，是钛的来源。
Iron Oxide Black; Iron Oxide Yellow; Iron Oxide Red; Fast Red 2r; Toluidine Mauve 0 no limit.
氧化铁黑，氧化铁黄，氧化铁红，快速红2r，甲苯胺紫红0不限。
The black deposits produced in the system were mainly composed of iron sulphide and iron oxide.
系统产生的黑色沉淀物主要由硫化铁和氧化铁构成；
Iron oxide pigment is a color pigment whose basic substance is the oxide of iron, such as red oxide, yellow iron oxide, black iron oxide, and brown oxide.
氧化铁颜料主要指基本物质为铁的氧化物的着色颜料，如氧化铁红、铁黑、铁黄、铁棕等。
Black Iron Oxide (Magnetite) Black Iron Oxide is found useful, especially in semi-metallic formulas as an agent for elevating cold friction.
黑的铁氧化物(磁铁矿)：黑的铁氧化物发现有用的，特别在半金属的配方作为提高冷的摩擦力。在半金属的配方的通用的成分。
The characteristics of iron oxide black by crystal seed method and basic principle of synthetizing its crystal seed were discussed.
本文论述了晶种法氧化铁黑的特点和合成氧化铁黑晶种的基本原理。
Said absolutely black lens is made up by addition of lead oxide and iron oxide during its manufacture.
绝对黑色镜片在常规制作镜片过程中加入氧化铅和氧化铁一起熔炼而制成。
Said absolutely black lens is made up by addition of lead oxide and iron oxide during its manufacture.
绝对黑色镜片在常规制作镜片过程中加入氧化铅和氧化铁一起熔炼而制成。
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