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1·The action mechanism of microbiological oxidation of rhodochrosite has been investigated by batch operation.

采用间断操作的试验方法，探讨了碳酸锰矿石微生物氧化过程的作用机制。

2·The former, distributed in broad area comparatively, is originated from the primary rhodochrosite of sub-weathering, and occurs as banded extension;

前者在区域上分布相对较广，是由原生菱锰矿床经次生风化而成，呈带状延伸；

3·Ore minerals are composed of psilomelane, pyrolusite, braunite, rhodochrosite and manganocalcite and gangue minerals are composed of magnetite, goethite and pyrite and so on.

矿石矿物主要有硬锰矿、软锰矿、褐锰矿、菱锰矿、钙菱锰矿等。脉石矿物主要有磁铁矿、针铁矿、黄铁矿等。

4·Reaearch showed that the Xixibao manganese ore did share some similar characteristics with that of modern Baltics Sea on the enrichment relationship of pyrite and rhodochrosite.

研究表明，在黄铁矿和菱锰矿富集关系上，西溪堡锰矿与现代波罗的海具有类似特征。

5·This paper describes the Mn production and puts forward a new method to mine low-grade rhodochrosite using solving and soaking. The experimental results are presented in the paper.

概述了锰矿的生产现状，提出了原地溶浸开采低品位菱锰矿新方法，给出了菱锰矿溶浸实验结果。

6·In view of the problems above, this paper put forward a new craft route, which was preparing manganous sulfate from rhodochrosite by acid-leaching as raw material to get manganic manganous oxide.

本课题针对上述问题，采用酸浸贫菱锰矿制备硫酸锰进而制备生成四氧化三锰的工艺路线。

菱锰矿

1·This paper describes the Mn production and puts forward a new method to mine low-grade rhodochrosite using solving and soaking. The experimental results are presented in the paper.

概述了锰矿的生产现状，提出了原地溶浸开采低品位菱锰矿新方法，给出了菱锰矿溶浸实验结果。

2·Ore minerals are composed of psilomelane, pyrolusite, braunite, rhodochrosite and manganocalcite and gangue minerals are composed of magnetite, goethite and pyrite and so on.

矿石矿物主要有硬锰矿、软锰矿、褐锰矿、菱锰矿、钙菱锰矿等。脉石矿物主要有磁铁矿、针铁矿、黄铁矿等。

3·Reaearch showed that the Xixibao manganese ore did share some similar characteristics with that of modern Baltics Sea on the enrichment relationship of pyrite and rhodochrosite.

研究表明，在黄铁矿和菱锰矿富集关系上，西溪堡锰矿与现代波罗的海具有类似特征。

4·The former, distributed in broad area comparatively, is originated from the primary rhodochrosite of sub-weathering, and occurs as banded extension;

前者在区域上分布相对较广，是由原生菱锰矿床经次生风化而成，呈带状延伸；

5·In view of the problems above, this paper put forward a new craft route, which was preparing manganous sulfate from rhodochrosite by acid-leaching as raw material to get manganic manganous oxide.

本课题针对上述问题，采用酸浸贫菱锰矿制备硫酸锰进而制备生成四氧化三锰的工艺路线。