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- A black magnetic mineral consists of magnesium carbonate. 一种黑色的磁性矿物，由碳酸镁组成。
- Other organisms have small areas in which the magnetic mineral known as magnetite is concentrated. 其他一些生物有一个被称作磁铁矿的磁性矿物集中的小区域。
- Magnetic separators are used to separate magnetic mineral from nonmagnetic gangue. Weakly materials can be concentrated in high-intensity magnetic separators, whereas strongly-magnetic materials can be concentrated in low-intensity magnetic ones. 磁选机用来分离磁性矿物和非磁性的脉石。弱磁性矿物可用强磁场磁选机分选，强磁性矿物可用弱磁场磁选机分
- Base metals and gold are often found in association with magnetic minerals. 某些贱金属以及金常常与磁性矿物一起被发现。
- Among the loess, paleosol and red clay, there are differences in magnetic mineral composition, which strongly indicates the paleoclimate characteristics from the loess, paleosol to the red clay stage. 黄土、古土壤和红粘土磁性矿物组成差异，反映了其形成期不同的古气候特性以及不同气候条件下生物地球化学作用强度的差异。
- Magnetized mineral water,activated water,purified water a nd mineral water could increase SOD activity. 矿溶生态水、活化水、纯净水、矿泉水有提高SOD活力作用
- Base metals and gold are often found in association with magnetic minerals such asmagnetite 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。
- magnetic mineral concentrate with V - Ti 钒钛磁铁精矿
- When lava cools, magnetic minerals within it, principally magnetite and titanomagnetite, crystallize. 这些微型的棒状磁铁会指向该时、该地的地球磁场方向。
- But we do have convincing information obtained from magnetized mineral grains in rocks that tells us that geomagnetic polarity reversals have occurred a great many times in the history of the earth. 但是我们确实从岩石破磁化的矿物颗粒中获得了令人信服的信息，这个信息告诉我们在地球史上曾发生了很多次地磁极性倒转。
- The reduction of magnetic minerals is an eminent geophysical property of Xiaoqinlingquartz-type gold field in greenstone belt. 磁性矿物的减少是小秦岭绿岩带石英脉型金矿田显著的地球物理特征。
- It possessed rich mineral deposits, including gold. 它拥有丰富的矿藏，包括黄金。
- At the same time, the rock magnetic results demonstrate that magnetite, hematite and thermal-unstable maghemite are the most important magnetic minerals in the Dachai sediments. 而岩石磁学研究结果显示，磁铁矿、赤铁矿和热不稳定性磁赤铁矿是大柴剖面沉积物中主要的磁性矿物；
- The country possesses rich mineral resources. 这个国家有丰富的矿产资源。
- No potassium did we find in this mineral. 在这种矿石中我们没有发现钾。
- Dalian is a magnet for tourists. 大连是吸引游客的地方。
- We are digging for mineral deposits. 我们正在掘地探矿。
- Each mineral has crystals of a particular shape. 每种矿物的晶体都有其特殊的形状。
- This disco is a magnet for young people. 这家迪斯科舞厅经常吸引大批年轻的顾客。
- Magnetic extraction, CBD method, XRD, SEM and microscopic results showed that in the loess magnetic minerals are mainly detrital magnetite, and minor pedogenic hametite and maghemite. 摘要对洛川黄土、古土壤和红粘土中磁性矿物组成、成因和相关系进行了研究。结果表明：黄土磁性矿物以风尘磁铁矿为主，少量的成土赤铁矿和成土磁赤铁矿；
