suport
1.Latest GDSS development is to suport group decision in any time, any place through LAN, intranet or Internet communication.
2.The ZT-3 suport solidacid catalyst was prepared firstly and used to synthesize pentaerythritol rosin easter with heterogeneous catalytic method.
3.Study on Process of Synthesis Rosin Easter with Solidacid Catalyst(Ⅲ): Study on Preparation and Activity of ZT-3 Suport Solidacid Catalyst

