In order to solve the publicity issue of the standard portfolio analysis of risk(SPAN) margin system,this paper adoptes parametric,semi-parametric,non-parametric value-at-risk(VaR) methods measuring the risk,and time-varying Copula technique describing the dependence structure to provide a technical solution to set the main input parameters of VaR-SPAN system.

On design standards of flood control in hydropower stations;

Think of Debt Recomposed Standard;

On the rule of debt-recombination;

Carry out the rule of debt recombine,build up the reliability of announced enterprise accounting information;

Based on the analysis of nonlinear dynamics to time series of strain and stress which are tested by MTS to lots of joint systems of sandstone specimens,a new rule to find the largest Lyapunov exponent is established by introducing LE1-m mathematical model and unit-step function.

Classification criteria of potential landslides susceptibility assessment for Mukence watershed;

Analysis and research for risk assessment criteria of underground engineering

Comparative study of the validity of the international criteria for blood smear review on two types of hematology analyzers