锂的标准电极电势较同族碱金属元素低；
The is lower than standard electrode potentials of alkali metal elements in the same family;
论述了碱金属元素对多种铁碳铸造合金的重要改性作用。
The modifying effects of alkali elements on various Fe-C cast alloys are presented.
顾名思义，RACE将以另一种碱金属元素取代众所熟悉的铯。
As its name suggests, RACE will replace the cesium so familiar to clock makers with a different alkali element.
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