siderite

1. 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
2. Siderite is vastly developed in the Longtan, Changxing formations in southwestern mine area, Zhijin coalfield.
   织金煤田西南矿区龙潭组、长兴组广泛发育菱铁矿层。
3. Too much CO2, and magnetite can't form, whereas the opposite is true for siderite.
   如果大气中存在的二氧化碳太多，磁铁矿则无法形成；
4. It occurs rarely as a free metal, occasionally in natural alloys ( especially in meteorites), and in hundreds of minerals and ores, including hematite, magnetite, limonite, and siderite.
   地壳中游离铁很少见，而通常存在于合金（特别是陨石）及数百种矿物中，包括赤铁矿、磁铁矿、褐铁矿和菱铁矿。
5. Oxidation roasting was a pretreatment technique for low-grade and complex siderite, the parameters of oxidation roasting were important to roasting efficiency.
   氧化焙烧是解决低品位复杂难选菱铁矿的有效前处理工艺，氧化焙烧参数对焙烧效果影响很大。
6. Pelletization, Reducing Roast and Magnetic Separation Tests of Mixture Fine Ore of Qijiang-type Hematite and Siderite
   綦江式赤菱混合矿粉矿造球还原焙烧磁选试验研究
7. Yunnan a siderite ore is a refractory one due to its low grade and its complex mineral dissemination particle sizes and its high content of phosphorus.
   云南某铁矿石铁品位低，矿物嵌布粒度复杂，有害元素磷含量高，属难选矿石。
8. They focused on two minerals, magnetite and siderite, that can provide a bellwether of the CO2 concentrations in the atmosphere.
   他们重点分析了两种矿物：磁铁矿和菱铁矿，这两种矿物可以为大气中的二氧化碳浓度提供征兆。
9. Thermal Decomposition Kinetics of Siderite in Nitrogen
   菱铁矿在氮气中的热分解动力学研究
10. After the siderite is fully decomposed, oxidation degree will be the main factor influencing the roasting effect and a roasting time increase would lead to a reduced product quality.
    在菱铁矿完全分解之后，氧化程度是焙烧效果的主要影响因素，延长焙烧时间会使焙烧产品质量下降。
11. The effect of temperature and atmosphere conditions on the magnetization of Wangjiatan siderite under fluidization was investigated.
    对王家滩菱铁矿在流态化状态下的磁化焙烧温度和焙烧气氛条件分别进行了试验研究。
12. 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
13. Study of Siderite in Sedimentary Strata of the Coal-Containing
    含煤沉积中的菱铁矿研究
14. Isomorphism state with iron existing in pyrite, chalcopyrite, siderite;
    钴镍与铁呈类质同象状态存在于黄铁矿、黄铜矿和菱铁矿中；
15. Fe-carbonates include early ankerite-dolomite, ankerite and later siderite with calcite and quartz.
    铁质碳酸盐包括早期铁白云石-白云石，铁白云石和后期含方解石和石英的菱铁矿。
16. Study on the Properties on Beneficiation and Sintering of WeiYuan Siderite
    威远菱铁矿选矿和烧结性能的研究
17. Experiment Research and Calculation of the Surface Adsorption and Hydrophobic Flocculation of Siderite Ore
    菱铁矿表面吸附和疏水絮凝的试验研究与计算
18. And then studied the origin and lithofacies meaning of siderite.
    在此基础上研究了菱铁矿的成因和岩相意义。
19. Industrialization of Research Achievements on Mineral Processing of Siderite and Limonite: Problems and Countermeasures
    菱、褐铁矿选矿研究成果产业化过程中的问题与对策
20. The article indicates that there is genesisly relation between siderite ore and limonite ore.
    文章表明了褐铁矿与菱铁矿之间有着成因上的联系。
21. Especially emphasizes that siderite has no apparent effect on formation resistivity.
    特别强调指出局部发育的菱铁矿对该区地层电阻率无明显影响。
22. Indicating that shown here have a strong hot brine activities when existing the copper mineralization, barite and siderite.
    当黄铜矿化、重晶石化、菱铁矿化存在，说明此处显示过强烈的热卤水活动，而这些蚀变沿有利断裂分布时，在其深部或附近找矿应引起注意。
23. Iron ore lies in a variety of iron minerals, including magnetite, limonite, siderite, hematite and pyrrhotite.
    矿石中的铁赋存于多种铁矿物之中，包括磁铁矿、褐铁矿、菱铁矿、赤铁矿、磁黄铁矿。
24. The metal minerals are mainly siderite and pyrite of hydrothermal stage.
    矿石金属矿物主要为热液期的菱铁矿、黄铁矿。
25. In this study, kaolin and siderite are main materials to research an absorption material which can practical apply to "high arsenical content" water disposal. Main tasks are as follows: ( 1) Determine process conditions of adsorbents.
    本文主要以高岭土和菱铁矿为主要材料，研究一种可以应用于实际高砷水处理的吸附材料，主要工作如下：1、确定吸附材料制作工艺条件。
26. This paper have taken the rotary kiln siderite Roasting as research platform and analyzed the mechanic of controlling and operating for the rotary kiln.
    本论文以菱铁矿的回转窑焙烧冶炼过程为研究开发平台，分析了回转窑的各种控制运行机制。
27. Authigenic minerals in sandstone include chlorite, calcite, siliceous and kaolinite, and containing a small amount of dolomite and siderite.
    砂岩自生矿物以绿泥石、方解石、硅质和高岭石为主，含少量的白云石和菱铁矿。
28. Wall-rock alteration includes chloritization, sericitization, and carbonatization ( calcite, siderite).
    围岩蚀变主要是绿泥石化、绢云母化、硅化以及碳酸盐（方解石、菱铁矿）化等。

noun

1. a meteorite consisting principally of nickel and iron

2. iron ore in the form of ferrous carbonate

   Synonym:    chalybite