1.
Most of them are painted red with bloodstone powder and ox blood.
南系岩画大都以红色涂绘，颜料是以赤铁矿粉调合牛血等而成的。
2.
The pyrite and siderite associated with the ores have been oxidized into limonite, hemitite and goethite.
黄铁矿、菱铁矿变为褐铁矿、赤铁矿和针铁矿。
3.
calcined pyrites
焙烧黄铁矿(黄铁矿粉
4.
Iron ores of greatest economic interest contain magnetite and hematite.
最具有经济价值的铁矿包括磁铁矿和赤铁矿。
5.
a widely occurring iron oxide ore; a mixture of goethite and hematite and lepidocrocite.
一种常见的氧化铁矿石，是针铁矿、赤铁矿和纤铁矿的混合物。
6.
Hematite is the dominate ctystalline ferric oxide in latosol and laterictic red soil, then goethite.
砖红壤和赤红壤中的晶质氧化铁以赤铁矿为主．其次为针铁矿；
7.
Experimental study on the mineral processing of a certain low grade hematite in the East Hebei province
冀东地区某低贫赤铁矿选矿实验研究
8.
Beneficiation Research on a Mongolian Refractory Iron Ore
蒙古某难选赤、褐铁矿选矿试验研究
9.
Beneficiation Test on Iron Increase and Phosphorous Reduction of a High-phosphorus Oolitic Hematite in Western Hubei
鄂西某高磷鲕状赤铁矿提铁降磷选矿试验研究
10.
Research on Iron Increase and Dephosphorization of Refractory High-phosphorus Hematite-limonite Ore
某难选高磷赤褐铁矿提铁降磷选矿试验研究
11.
P adsorbed by ferrihydrate was much more difficult to be desorbed than those by goethite and hematite.
水铁矿吸附的磷比针铁矿和赤铁矿所吸附的磷更难解吸;
12.
a variety of chert containing magnetite and hematite; mined as a low-grade iron ore.
一种含磁铁矿和赤铁矿的燧石，作为一种低等的铁矿石被开采。
13.
The settlingout minerals are hematite,goethite,quartz,silicate and carbonate at the bottom of the ocean.
洋底沉析的矿物有赤铁矿、针铁矿、石英、硅酸盐类和碳酸盐类矿物。
14.
At pegmatite contacts the composition changes to chalcopyrite, millerite, pyrite, and violarite accompanied by magnetite and hematite.
在伟晶岩接触带，硫化物成分变为黄铜矿、针镍矿、黄铁矿及硫镍铁矿，伴生有磁铁矿和赤铁矿。
15.
Research of Separation of Hematite Tailings by SLon Centrifuge
SLon离心机分选赤铁尾矿的试验研究
16.
Research on the Magnetizing Roasting and Magnetic Separation of an Oolitic Hematite Ore
某鲕状赤铁矿磁化焙烧—磁选试验研究
17.
Separation and enrichment of refractory oolitic hematite ore
难选鲕状赤铁矿石的分离和富集研究
18.
Study on the Dispersion Character of Fine Oolitic Hematite Ore Particles
微细粒鲕状赤铁矿颗粒分散特征研究