The structure and distribution of energy sources and the system of the prime motor used are of the utmost importance to the development of the human society.

On Dynamic Mechanism for Public Participation in Environmental Protection;

Sustainable innovation system and analysis of its dynamic mechanism;

Discussion on dynamic mechanism of the development of old urban area in Wuhan taking Hanzheng street as an example;

Study on development characteristics of world textile industry and development impetus mechanism;

Model choosing and impetus mechanism of the development of higher education;

The Model Study for the Impetus Mechanism of the Project Affected Immigration;

Analysis on the motive mechanism of developing for the greening of industrial firms;

Grow and Set up the Urbanization Motive Mechanism of N-B-Q-F City Cluster;

Inter-firm organization evolution and motive mechanism;

On the power mechanism of the evolution in Man-Land system;

The situations and power mechanisms of the spatial spread of Chinese minority nationalities;

Researsh on the Power Mechanism of Contryside Urbanization of Suburban Counties in Xi An;

Research on anti-shock performance of power units on ships with numerical method;

The 4000 drilling machine is one of the most popular medium-sized drilling machines,most of which apply power units with chain driving boxes.