Discuss on Existence Question and Countermeasure to Coal Safety cost Research;

Study on safety cost and safety insurance degree of coal enterprises;

Analysis of safety cost of coal production and its changing trend;

Stochastic model of security cost in power systems;

Assessment model of security cost of iron and steel enterprise using AHP;

Aumann-Shapley value method of cooperative game theory can allocate security cost to each member in the union fairly.

Three new construction techniques for medium and small turbines,integrated installation,water-free cooling,and oil-free lubrication,are described together with their economic and environment protection benefits.

According to flaws of the existing secure clustering protocols, ID-location-based key management scheme (IDLB) is designed to establish secure connections among nodes for authentication mechanism which could identify and remove malicious nodes.