It makes use of the financial ratio of the report forms the assets reward ratio, the investment reward ratio, the gross profit margin, and the increase ratio, analysing and measuring risks by the financial levers and operation levers, and calculates the similar company value by the value driving factor, calculates the target company value by adjusting risks.

Parameter design of continuous miner cutting drum based on similarity theory;

Expansion of similarity theory and its analysis;

Applying the Similarity Theory in Evaluating the Credibility Analysis of System Simulation;

On the basis of similarity principle study of the ASP ternary complex flooding, we adopt the method of simplicity, take the foam into differential equation, construct the similarity criterion and the similarity principle of differential conditions, the similarity criterion and the similarity principle are checked and analyzed by numerical simulation and physical simulation method.

Geomechanical model test was a kind of scale rule research method to specific geotechnical engineering problems based on the similarity principle.

Based on the similarity principle,the mechanical characteristics of piles are obtained.

The application of similitude theory for studying blade ability to separate water droplets;

Aiming at the problem of methane concentration exceeding limit in the super-length fully mechanized top-coal caving face,an optimizing experiment system of methane control was designed and manufactured and based on the similitude theory and a new scheme of adopting double tail galleries was proposed for the first time.

Base on the similar theory,an experiment model was designed and made.

Based on similar theory and using model test,mainly researches the torsional strain of the drill pipes in the condition of neglecting the geometry size of the drilling bit,drill collar,kelly bar and not considering joint impact.

This article advances applying the similar theory and the model experiment to analyze the smoothness of the machine tool running in low velocity,derives and verifies the process and the method with the examples.