During the desing of channel transect,the paper brings forward golden section method,which is 0. 618methods. In order to reduce the calculation volume of the na
A projection pursuit model is presented in this paper for comprehensive evaluation of benefits of small watershed control. By using the model ,small watershed c
The North-East China is nation commercial grain base of China. It provides important grain supply for other areas of the country every year. The nation and mod
Different fuzzy reasoning methods were gave by choosing different fuzzy counters. This article generally introduced the basic structure of fuzzy controller,and
Seeu coating can make soybean seedling grow more strongly and reinforce the resistance of soybean plant. Sodium alginate and chitosan are high-molecular compoun