The handing of the alkali metal, however, is not protracted; it may all be charged into the reaction vessel in one opera同时，对碱金属的处理也不会被拖延；它可以在一个操作单元中全部倾倒入反应罐中，从而由于镕基碳氢化合物的作用而免受周围环境的影响。