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- Keywords VGO;catalytic cracking;branched isomer;reaction mechanism; 蜡油;催化裂化;支链异构体;反应机理;
- The catalysts for selective conversion of high n-alkanes into their branched isomers were introduced, particularly the mesoporous materials. 摘要介绍了长链正构烷烃异构化的催化剂,并着重探讨了介孔分子筛催化剂在这方面的研究进展。
- The bank branched out to New York. 这家银行把分支机构扩大到了纽约。
- The company has branch out into car leasing. 该公司业务范围已扩大到汽车租赁。
- The acoustics is a branch of physical. 声学是物理学的一个分支。
- The branch was sticking up out of the water. 树枝直挺挺地伸出水面。
- The gardener cut off a branch from the tree. 园丁从树上砍下一根树枝。
- A blackbird was warbling from the branch. 一只画眉鸟在枝头歌唱。
- The trees branch thickly over the path. 此树生枝极多,遮挡小路。
- He chopped a branch off that tree yesterday. 他昨天从那棵树上砍下一根树枝。
- He chopped a branch off the tree. 他从树上砍下一根树枝。
- She reach up and picked a pear off a branch. 她抬起手从一根枝上摘下一颗梨。
- Our other branch is just a few doors down the road. 沿这条路再走几家就是我们的另一个分店。
- The olive branch is the emblem of peace. 橄榄枝是和平的象征。
- Allene is an isomer of methyl acetylene. 丙二烯是甲基乙炔的一种异构体。
- Gynaecology is a branch of medicine. 妇科学是医学的一个分科。
- Each telephone served by a private branch exchange. 由专用小交换机提供服务的电话分机。
- The state or condition of being an isomer. 同分异构状态以同分异构形式存在的状态或情形
- The ape swung (along) from branch to branch. 那只猿猴从一根树枝荡到另一根树枝上。
- The branch of zoology that deals with nematodes. 线虫学研究线虫的动物学分支