It is concluded that coal-forming plants in geologic history have leading role in coal-accumulating environment,it follows that the dynamic coal-accumulation model has put forward and it enables peat bogs can vagile over a variety of depositional environments.

New coal accumulation models based on sequence stratigraphy theory were put forward by Chinese coal geologists,including episodic coal accumulation,transgressive process coal accumulation,event coal accumulation,and coal accumulation during a lag time of marine limestone beds.

Grey dynamic model to the grain yield of Sanming city;

To analyze the resonance frequency shifts of various constructed beams in the dynamic mode,the finite element analysis has been performed by using the software IntelliSuite.

The paper, starting from context implications and its functions, tries to put forward and expound a dynamic mode of classroom context so as to meet the requirements of communicative teaching methodology.

A dynamic model means for evaluating IAQ;

Analyzing the differences between the static and dynamic models for database design,a novel method of dynamic model design is proposed.

Then,the equation of dynamic model about the rate is gotten and the short forecast is done.

This paper presents IAQ assessment and researches of some evaluating methods developed in China recently,including comprehensive factors means,dynamic model means and subjective means.