By comparing the performing conditions of "new purifying way of molten iron" and "the modern purifying technology of molten iron","the modern purifying technology of molten iron" is thought to be suitable for all kinds of casting industries in China.

By means of enforcing scientific management and adapting modern technology and the integration of collecting and cataloguing,some achievements have been made in ensuring the quality of collecting and cataloguing and improving work efficiency.

In ordor to suit the needs of quality education, we should not only renew our ideas, adjust the structure of books collecting in the school libraries, and strengthen the construction of resources of books collecting, but also gain long-distance message through modern technology, so that we can realize a share of resources of books collecting in all libraries.

Library automation and digital library are the main content of library\'s technology modernization,the library technology modernization of the mainland China is being carried out in the past 30 year\'s social circumstance of reforming and opening to the world,and the nation\'s information policy promotes its progress.