Research on water flooding effect improved by vectorial well arrangement for reservoirs with permeability heterogeneity in plane;

Distribution of Magnetic Charges in Arbitrarily-shaped Region on the Plane;

Simulation of Even Material Removal During Eccentric Plane Polishing by a Tin Polisher;

Anti-earthquake research is done on various type of flat metallurgical buildings of reinforced concrete,the affecting factors are analyzed such as: working space,shift and twist,column shape,roof rigidity,side-way stress resistance of gable and longitudinal wall and so on,the adjusting index for space effect and twist influence in flat truss calculation proposed.

The flatted-painting resulted from the previous internal evolution of paint-ing.

Taking Dong Nationality s traditional residence in Tongdao, Hunan for examples, this paper studied on the technological characteristics of it, from the respects of plan style, structure mode and constitution method, and summarized that the general features of Dong Nationality s traditional residence are simplicity, utility and freenes

The expression of line and level in three-dimensional space in computer is introduced respectively, laying the emphasis on the method of judging the position relation of line and level.

There are syntactic,semantic and pragmatic levels in grammatical research and different sentence constituents can be analyzed in each level.

In order to resolve the consistency problem, the semiconductor planar technique is adopted to fabrica.