vigorous的名词形式是什么

！vigorous的名词形式是vigor，n. [生物]活力，精力

The synthesis ofm—Cresol from o—toluic acid by air oxidation was studied in a 1 liter reactor under vigorous stirring conditions in order to eliminate film resistances.在容积1升的反应釜中，在剧烈搅拌以消除膜阻的条件下研究了邻甲基苯甲酸空气催化氧化制间甲酚的反应。