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....
The vegetables in the garden vegetate vigorously.园子里的植物在茁壮成长.Hesper giggled. No wonder you like my garden.海茨帕笑了笑,“难怪你喜欢我的花园. ”...the songs of birds that bring the garden alive.使花园恢复了生机的小鸟的鸣啭After flowering, place the pot...