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

由此表明了在生成RDX酮的反应程中，硝比更为合的反应形式。

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.

变加料方式来研究或硝在硝化剂中与乌洛托品硝解碎片进行缩合反应的形式。