The layer's fast formation dues to the boracium atom's fast diffusion.渗层的快速形成主要是硼原子在渗层中快速扩散的结果.Determinating content of boracium by volumetric analysis of sodium hydrate was more accurate than other ways.氢氧化钠容量...

boracium的音标：boracium的英式发音音标为：[bə'reɪsɪəm]boracium的美式发音音标为：[bə'reɪsɪrm]...

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