deca

There are currently no exemptions for these brominates flame retardants except Deca-BDE. And Deca-BDE is under consideration by European Commission.

除了十溴联苯醚以外无豁免，十溴联苯醚正在重新评估之中。

The solvent effect on the synthesis of diethylaluminum azide(DEAA) from diethylaluminum chloride(DECA) and sodium azide(NaN3) is discussed.

以氯化二基铝（DECA）和叠氮化钠为原料合成二基叠氮铝（DEAA）时，反应介质的溶剂性质不同，产物及其收率也不同。