1. Circumvolve coder application in the rail cable car PLC control system was discussed in this paper.

2. The new concepts of absolute electric power, circumvolve electric power and steady coefficient are also presented.

3. The physicochemical properties of starch phosphate obtained were studied in detail by using modem analysis apparatuses such as spectrophotometer and circumvolve viscosity analyzer and so on.

4. The paste properties of some lithocarpus starch have been studied with modern instruments such as polarizing microscope, spectrophotometer and circumvolve viscosity analyzer etc.

5. The physicochemical properties of starch phosphate obtained were studied in detail by using modern analysis apparatuses such as spectrophotometer and circumvolve viscosity analyzer and so on.

6. The paste properties of castanopsis carlesii starch have been studied by using modern analysis methods such as polarizing microscopy, spectrophotometer and circumvolve viscosity analyzer etc.