5 million datum including data of 28100 groups of steel plates and 20400 groups of steel tubes,and obtained much important information about condition of being used and technical level of pressure equipment materials.

These two processes not only provide the new way to design the new type materials but also boost materials processing science to a new level.

In this paper, the application of a high magnetic field to the materials processing was re- viewed.

Research & developments of sol-gel methodin material preparation;

The choice of equipment and materials,the course of design and its successful realization in Liaoyang chemical fiber Company are expatiated.

Seven factors constraining construction management efficiency are studied in respect of construction management organization,management system,construction subcontract,drawings,equipment and materials,construction risks and management methods.