After discussing a new network filter system-WFP,the paper designs and implements a network anti-pornography real-time filter driver based on WFP and Regular Expression inside Windows Vista operating sys.

Realization of filter system based on large umber of text information;

By using suitable material and structure of the filter core and improving the filter system, the polluted degree of the hydraulic oil is lower than 9NAS.

In order to purify dirty water returned from refining and casting process and to realize circulating utilization of water, VD dirty loop filtering system was established for treating waste water.

As the major economical and technical indexes in WPA production,sulfuric acid consumption is reduced alone with the decrease in the loss of the water soluble P2O5 in the WPA filtering system.

The causes and countermeasures of scale plugging in WPA filtration system;

Firstly intellectual network filtration system work flow was studied,then systematic design of intellectual network information filtration system was given and each module was analyzed,finally three modules of network data processing,text data processing and adaptive processing were performed detailed study.