Although a variety of precursors have been proposed for the formation of high molecular weight hydrocarbons (HMWHCs) in ......

研究了1，4－双[2-(3,4,5-三甲氧基苯基）乙烯基]苯合成产物中的三种异构体的柱色谱分离方法，用硅胶为固定相，乙酸乙酯和环己烷混合注为流......