Studies indicate that chymist coprecipitation azeotropic distillation can better prevent from hard - agglomeration and obtains homodisperse nanoparticle.研究表明,在共沉淀法中辅以共沸蒸馏过程,可以较好地防止粉体的硬团聚,得到分散均匀的纳米级超细粉体....
You want Jeannie to make the appointment for you? How about the end of next week?你想让珍妮帮你预约吗？下周末怎么样？Jeannie: Mom, I and to show you too. Look!珍妮: 是啊,妈妈, 还有些东西给你看. 看!Little Jeannie stole the show.小珍妮抢尽了风头....