A Special Communication Software Design on Vc++;

As computer has stepped into daily life in depth,people will not use special net and public net limitedly,but also take full advantage of Internet technology to build their own inner net.

Depending on telecommunication networks,enterprise special communication network may utilize the state policy to encourage contest in communication field,find new investing form,and gain new development.

Base on the production of SG-7 resin, not only the commercial formulation and process parameters of 30 m3 polymerizer were adjusted for special resin of injection pipe, but also the formula weight control, ?°fish eyes?± reduction, particle shape optimization, and heating ageing were improved.

The classification and main properties of the BOPP for cigarette packing film are briefly described in this paper,Simultaneously,the pre- sent situation of the special resin and functional masterbatch is introduced.

It is becoming more and more important to apply and develop high quality PEspecial resin for tubings.

Preparation of special materials for transparent flexible reinforced PVC pipes;

Research on PC/ABS Special Material for Auto by Orthogonal Experimental Design;

Detailly described the production, developing and product utilizing of the special materials for the polyethelene pipe domestic and aboard, and put forward the developing trend of our special polyetheline pipe material used in China according to the present marketing requirement and develop- ing in the future.