The goal of host immune system was given, that is to realize the self adaptation and distributed host security defense.

Research and Implement of Host Security Protection System;

),the initiative type safe safeguard procedures are needed.

Analysis of safety protection and the standard of High visibility warning clothing;

Study on accident endangering of woodworking machinery and the measures to safety protection;

Study on safety protection techniques for a new generation of chemicals carriers;

The Study of Safe Protection of Military Political Work Information System;

Advance the ability to resist disaster of outburst coal mine based on compositive safe protection technique

This article describes the use,the principle,the classification and the safe protection of the radio knife in detail.

The safeguard problem on the monitoring of the waste gas from pollution sources;

The paper proposes and exemplifies in some aspects, like paying high attention to the safety, viewing the safety correctly, reinforcing the safeguard, rigorously enforcing the safe operation, and so on, how to reduce the extent of the effect of potential safety problems on electrical experiment teaching.

But the safeguard becomes a key problem after dispatching automation system cuts in OA,the solution is that the dispatching automatic system divides in sectors and installing mono-directional isolating device.