1.
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。
2.
Experimental Study on Pellet Production with Siderite of Daxigou Longmen Iron and Steel Factory;
龙钢大西沟菱铁矿生产球团试验研究
3.
Design of CEMS on Siderite Rotary-kiln Roasting;
菱铁矿回转窑焙烧过程CEMS设计
4.
Thermal Decomposition Kinetics of Siderite in Nitrogen
菱铁矿在氮气中的热分解动力学研究
5.
Oxygen and Carbon Isotopic Compositions of Some Chinese Siderite Ore Deposits
我国某些菱铁矿矿床的氧和碳同位素组成
6.
Siderite Occurrence Modality and Facies Directivity
织金煤田西南矿区菱铁矿产出形态及指相意义
7.
Geological characteristics of siderites from Longqiao iron deposit in Luzong volcanic basin and their genetic significance
庐枞盆地龙桥铁矿床中菱铁矿的地质特征和成因意义
8.
The Research and Development of the Techniques for Siderite Powder Roasted and Magnetized in the State of Fluidization;
菱铁矿流态化磁化焙烧技术的开发与研究
9.
Research on the Geological-Geochemical Characteristics of Qierikeqi Siderite Deposit，Xinjiang Uygur Autonomous Region
新疆且日克其菱铁矿床地质地球化学特征研究
10.
Research on Flash Magnetizing Roasting-Magnetic Separation for Daxigou Siderite
大西沟菱铁矿闪速磁化焙烧—磁选探索试验
11.
Study on Magnetizing Roasting Tests of Wangjiatan Siderite under Fluidization
王家滩菱铁矿流态化磁化焙烧试验研究
12.
Siderite, ferrous carbonate, FeCO3. When pure it contains 48.2 % of iron. It varies in colour from pale yellow to brown.
菱铁矿 碳酸亚铁，FeCO3。理论含铁量为48.2％。颜色从浅黄到褐色，不一。
13.
Study on Thermodynamics and Experimentation of Oxidation Roasting of Low-grade and Complex Siderite
低品位复杂难选菱铁矿氧化焙烧热力学及实验研究
14.
But when the investigators studied samples of ancient soils from between2.8 billion and2.2 billion years ago, they found no trace of siderite.
但研究人员分析22~8亿年前的古土壤标本时，并未发现菱铁矿的踪迹。
15.
Chromite and/or magnesite mineralization is usually related to the ophiolites.
铬铁矿及（或）菱镁矿化通常是与蛇绿岩有关。
16.
Research on the Technology of Removing Unpurities Producing Light Magnesia from Magnesite;
菱镁矿生产轻质氧化镁除杂(铁、铝)工艺的研究
17.
Thermodynamic Analysis and Experimental Study on Reduction of Mg from Magnesite with Ferrosilicon
硅铁还原菱镁矿制镁的热力学分析与实验研究
18.
Research and Industrial Practice of Beneficiation Technology on Low-grade Fine-grained Refractory Siderite-limonite of Daxigou
大西沟低品位、微细粒难处理菱褐铁矿选矿技术研究及工业实践