Its appraisal should be based on certain principle and be analysed by considering many factors.

The quantitative calculation method of the petrogenetic mineral content in intermediate-acid volcanic rock.;

Based on the elastic and hydraulic theories along with the analysis on hydraulic pressure test mechanism, this paper addresses the effect of temperature variation on hydraulic pressure test and establishes quantitative calculation method which offers a scientific basis of quality assessment for pipeline hydraulic pressure test, and facilities the judgment for test results.

In EMI imaging logging, the information of wellbore geometrical form and rock geologic properties is provided by micro resistivity scanning imaging, the limestone fracture reservoirs are evaluated comprehensively by way of extracting information, its integrated analysis and quantitative calculation, and examples are analyzed.

Study on relay setting technology of Zhengzhou network;

The characteristics of coalmine high-voltage power network are introduced,and on the basis of that,the general design of relay setting calculation software for coalmine high-voltage power network is described according to the actual circumstance.

It meets the requirements of relay setting through a calculated example in complex ring net.

Development on setting calculation template for relay protection;

Discussion on bus protection and its setting calculation;

Application of new method of setting calculation in WISCO 110 kV electric grid;

The setup calculation systems are developed in different modes and control parameters are calculated in order to control the edge drop.

The setup calculation system is developed in different modes and control parameters are calculated in order to control the edge drop.

Approaching of quantitative estimation of the effect of non-acute water pollution on fishery;