金属钠有毒性。

Metallic sodium is toxic to humans.

介绍了应用于液态金属钠介质回路阀门的静密封和动密封结构设计。

Introduces structure design of static sealing and dynamic sealing applied to loop valve with the medium of liquid sodium.

以乙醇为溶剂，碘化钠为催化剂，由金属钠、对苯二酚和溴丁烷合成了1 ，4 -二丁氧基苯。

With ethyl alcohol as solvent and sodium iodide as catalyst, 1,4-dibutoxybenzene was synthesized from metal sodium, hydroquinone and n-butyl bromide.