英语语法分析

Diffusion of metals in complex amalgams was investigated.

研究了复合汞齐中金属的扩散。

Conclusion The amount of mercury released from amalgams is small.

结论银汞合金充填体中释放的汞量较少。

Canadian scientists used X-ray spectroscopy to compare new mercury amalgams to those about 20 years old.

来自加拿大的科学家们使用了X射线光谱仪对崭新的汞合金填充物和那些用了20年的填充物进行了比对。