When these surfaces came into contact with the magnetite, an oxygen atom could be transferred from quartz to magnetite, forming a new mineral, hematite.
当这些表面和磁铁矿一接触，氧原子就能从石英砂转移到磁铁矿，形成了一种新的矿物，赤铁矿。
2
In the workplace, their mothers had come into contact with such solvents as toluene, xylene, mineral spirits, isopropyl alcohol and trichloroethylene.
在工作场所，他们的母亲接触过诸如甲苯、二甲苯、矿物精炼物、异丙醇和三氯乙烯等有机溶剂。
3
The article has established grade model and tonnage model to 277 contact metasomatic copper deposits of the whole country, based on "the Mineral Resources Data base of the whole country".