An investigation of cassiterite flotation using mixed tolyl arsonic acid 混合甲苯胂酸浮选锡石的研究
It has been found that if the substituent Ar in ( i-Bu)_2AlOAr is phenyl or tolyl, the system will be significantly active. 试验结果发现,(i-Bu)2AlOAr中的Ar基为苯基或甲苯基时,体系具有较高的催化活性。
Synthesis of N-( 4-Chloro-3-tolyl)-N ′-methylurea N-(4-氯-3-甲基苯基)-N′-甲基脲的合成
Synthesis and Crystal Structure of N-( p-tolyl)-3-hydroxy-2-ethyl-4-pyridinone N-(p-甲苯基)-3-羟基-2-乙基-4(1H)-吡啶酮的合成和晶体结构
Study on synthetic technic of n-( o-tolyl)-thiourea N-邻甲苯基硫脲合成工艺研究