By the analysis of the present trough truck washing process,this paper proposes the idea of mid pressure washing process combined with low pressure washing experiment , and states the principle and process of mid pressure and analyzes the feasibility of mid pressure washing process.

The mechanical properties of three dimensional and four-directional braided composites were investigated by the macroscopic compressive experiments.

The dynamic compressive experiments and quasi-static experiments were conducted on material test system and SHPB,respectively.

The compressive experiments are carried out respectively on the thin specimens and the soil-columns.

In this paper,a bulge method which combines compression experiments and FEM simulation is proposed.

Quasi-static and dynamic compression experiments of carbon fiber reinforced epoxy resin matrix composite cylinder structures are implemented by NYL-200D testing machine and drop weight equipment.

Based on mercury penetration experiment of this reservoir,and make explicitly that it is a reservoir with low-porosity,low permeability and double porosity of gutter and small voids,it also analysesed the reservoir geologic feature and made out the feature about reservoir lithology,grain composition,matrix,structure,physical property of the reservoir of Carboniferous BAOGUTU and so on.