We can only speculate at the core composition of mercury, but it has a very high density for its radius so it is likely to have a large metallic core accounting for most of its mass.
我们只能推测在汞的核心成分，但它有它的半径密度非常高，所以很可能有一个大的金属的群众最核心的会计。
The mineral composition is simple, only with original metallic minerals antimonite and pyrite, gangue minerals quartz, calcite and a few barites, all in the fissure or hole of the rock.
矿物成分简单，原生金属矿物只有辉锑矿和黄铁矿，脉石矿物有石英、方解石及少量重晶石，它们均充填在岩石的缝洞中。
Introduced factors and so on wire rod chemical composition, billet low-powered tissues, non-metallic inclusions influence to the B-grade steel wire for cotton packaging of drawing performance.
介绍了线材的化学成分、钢坯低倍组织、非金属夹杂物等因素对B级棉花打包钢丝拉拔性能的影响。
The invention also provides laminate comprising a metallic foil, a layer made of a liquid crystal polyester resin composition and a layer made of a fiber material of the present invention.
还提供了一种包括本发明的金属薄片、由液晶聚酯树脂组合物制成的层和由纤维材料制成的层的层压制品。
When a molten metal or metallic alloy is cooled to a solid, a crystalline structure is formed that depends on the particular alloy composition.
当一种熔化的金属和金属合金冷却成固体时，依赖于特定的合金成份将形成各种晶体结构。
When a molten metal or metallic alloy is cooled to a solid, a crystalline structure is formed that depends on the particular alloy composition.
当一种熔化的金属和金属合金冷却成固体时，依赖于特定的合金成份将形成各种晶体结构。
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