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- By proper adjusting the ratios of bimolecular cracking reactions to hydrogen transfer reactions, the product slates of FCC process could be more flexible and various. 较高的反应温度和较高的重时空速有利于裂化反应,有利于提高裂化反应与氢转移反应之比。
- The bimolecular cracking reactions of olefins were studied and the effect of ratios of bimolecular cracking reactions to hydrogen transfer reactions on the yields of LPG and gasoline were discussed. 以催化裂化汽油为原料,在不同类型的催化剂上进行催化转化试验,探讨催化裂化汽油烯烃双分子裂化反应及双分子裂化反应与双分子氢转移反应之比对液化气和汽油产率的影响。
- Keywords heavy fractions of FCC gasoline;monomolecular cracking reaction;bimolecular cracking reaction;ethylene;propane; FCC汽油重馏分;单分子裂化;双分子裂化;乙烯;丙烷;
- A little crack detracts from the value of the vase. 小小的裂痕减损那个花瓶的价值。
- The marchers jumped off at the crack of dawn. 行军队伍在破晓时出发了。
- The riot police started to crack down on them. 防暴警察开始对他们采取镇压行动。
- That was a cracking shot he played. 他这一下打得妙极了。
- You'll crack up if you go on working so hard. 你继续这样拚命干下去,身体会吃不消的。
- There's a lot to be done, so let's get cracking. 工作很多,咱们开始干吧。
- Police are cracking down on drug dealers. 警方现对贩毒分子严惩不贷。
- They sat by the fire, cracking jokes. 他们坐在火堆旁讲笑话。
- Have another crack at solving this puzzle. 再试一试把这个难题解决了吧。
- bimolecular cracking 双分子裂化
- She made a crack about his fatness. 她取笑他肥胖。
- There is a crack in this window. 这扇窗户上有个裂纹。
- She got up at the crack of dawn. 天刚亮她便起床了。
- Mary found knitting a hard nut to crack. 玛丽发现编织并非易事。
- He was the tough guy, the big shot, who gave orders with the crack of a whip. 他是个威风凛凛发号施令的强悍的家伙,是个大人物。
- Don't be angry. He is the man who likes cracking jokes. 不要生气,他是一个爱开玩笑的人。
- I'd do anything to see you crack a smile. 为了博得你的一笑,我情愿做任何事。