The catalysts and processes for conversion of aromaticswere reviewed , especially those for catalytic hydrodealkylation and transalkylation. 重点阐述了催化加氢脱烷基和烷基转移反应特点和有关催化剂的研究以及国内外主要工艺发展现状.
他们方才一直在森林里狼吞虎咽地大嚼野果.They had been gorging fruit in the forest.大家立刻入席,开始大嚼.The guests took their seats at the table and began by making an uncommonly good meal.它们只是在苔原上大嚼特嚼, 睡上几小时,接着再吃.They just chomp on tundra, nap a few...