Preparations of polyacrylonitrile (PAN) are now being considered as possible new therapeutic embolization agents.
聚丙烯腈（PAN）可作为一种新型的治疗用栓塞剂。
2
The main purpose of this paper is to introduce the composition of current probiotic preparations for human and its nutritional and therapeutic benefits.
文中介绍了目前用作人类益生素制剂及其营养与疗效，并对益生素的未来应用作了展望。
3
The study on percutaneous absorption preparations, especially transdermal therapeutic systems is one of the important topics on medications.