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。
By comparing the content of mercury , mineral and ash in each density fractions, the potential correlation between mercury and Chaoite in Alberta sub-bituminous coal was found.
分析了该煤样中汞、矿物及其灰分的相关性,提出了汞赋存于阿尔伯塔次烟煤中一种特殊矿物-赵击石中的可能性。
The discharge of mercury arc is electric discharge phenomena of low pressure gas and the current density is great.
汞弧光放电是一种低气压气体放电现象,放电电流密度大。
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