| 1. | This is because the oxidation breaks down magnetite .
这是因为氧化磁铁矿蜕变。
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| 2. | 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。
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| 3. | The country is level and it is not easy to follow the magnetite seams continuously .
地面是水平的，不容易连续地追踪此矿层。
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| 4. | Scientists had long thought that no animal could manufacture magnetite .
长期以来科学家们一直认为没有动物可在体内合成磁性物质。
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| 5. | Base metals and gold are often found in association with magnetic minerals such as magnetite and pyrrhotite .
某些贱金属以及金常常与磁铁矿和磁黄铁矿这类磁性矿物一起被发现。
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| 6. | The interstitial net and aggregates may be of solid sulfide but most contain magnetite and silicate in widely varying proportions .
粒间网线及集结体可以是纯硫化物，但大多数含有不同比例的磁铁矿及硅酸盐矿物。
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| 7. | Joesting has used the magnetometer to locate gold in alaska, taking advantage of the close association of gold and magnetite in gravels .
乔斯丁利用砾石中金子与磁铁矿密切的共生关系，曾经用磁力仪在阿拉斯加寻找金矿。
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| 8. | 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。
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| 9. | Methods of test for magnetite for use in coal preparation
选煤用磁铁矿的试验方法
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| 10. | Magnetite for use in coal preparation - test methods
选煤用磁铁矿粉试验方法
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