In order to simply import data from non-secret computer to the secret computer through universal removable storage devices,and prevent classified information in the secret computer leaking through the universal removable storage devices,a data secure import system based on the technology of data diode was designed.

Study on safety input and production safety problems of coal enterprises in China;

Study on construction method of evaluation index system for safety input of coal mine

Study on optimal control mode of safety investment;

Research on the Relationship between Safety Investment and Benefit in Coal Industry;

Research on Application of Chaos Optimization Algorithm in Construction Safety Investment;

Transient Temperature in Downcomer of RPV during Safety Injection;

This kind of secure accessing system can.

, to provide the secure access using mobile terminals.

Study of access security mechanism of WCDMA;

In the third mobile communication systems, access security includes the confidentiality of the subscriber identity、entity authentication and the security of data.