This proved that nitrourea was a more suitable reactant than urea to synthesize Keto-RDX.

由此表明了在生成RDX酮的反应过程中，硝基脲上比脲更为合适的反应。

This paper presents the studies on the reaction form of urea or nitrourea which condenses with nitrolysis fragments of urotropine to form Keto-RDX in nitrating agents.

过改变料方脲或硝基脲在硝化剂中与乌洛托品硝解碎片进行缩合反应的。