Aunt Dinah greases her wool stiff, everyday, to make it lie straight.黛娜婶婶每天往脑袋上搽油,把鬈发搽得硬梆梆的, 想把它梳直.A working substance has been prepared by treating perfluorinated polymeric oils and greases.一种工质已由全氟聚合物油和润滑脂制造出来.Differen...
I suffered a nervous breakdown. It was a traumatic experience.我曾经神经崩溃过。那是一次痛苦的经历。Divorce can be traumatic for everyone involved.离婚对所有相关的人都会造成痛苦。He is plagued by demons which go back to his traumatic childhood.他为心魔所困扰,那可追...
环己酮和过氧化物可用来化替过氧化环己酮.Cyclohexanone and peroxide may be used in place of cyclohexanone peroxide.己酮糖:一种六碳的酮糖.例如果糖.Ketohexose A ketose SUGAR with six carbon atoms , e . g . fructose.提出了环己酮在这类催化剂上双聚反应的机理.Reaction pathway of c...
其中,对柠檬醛和香草酸的EAG反应较强烈,并随着浓度升高反应值增大.EAG values became greater as the concentration increased.新蒸馏出来的柠檬醛是一种几乎无色的油状液体,具有特征的柠檬香气.Physical Properties - When freshly distilled, citral is an almost colorless oil possessing a char...