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.
The comeback of all comebacks began in the 54 th minute.复出所有复出,开始在第54分钟.Career comebacks from disaster are both difficult and, oddly, easy.失败后东山再起既困难又容易(后面一点有些奇怪).Tennis has had a surplus of comebacks.网球球员复出的例子比比皆是....
Keeper Emily Pugh , 22, said Kera was already settling in well with the zoo's other gorillas.22岁的艾米丽说, 凯娜已经和这里的篮球运动服其它大猩猩相处的很好了.Lewis Gordon Pugh gets used to the bitter cold as he prepares for a record - breaking d...
They were in a real jam, Bob thought glumly.他们确实遇上麻烦了,鲍勃闷闷不乐地想。His room was jam-packed with fruit, flowers, gifts etc.他的房间里堆满了水果、鲜花及礼品等。Did she do things like bottling fruit or making jam?她干过将水果装瓶或做果酱之类的活计吗?...