Water and nitrogen (N) are considered the most important factors affecting rice production and play vital roles in regulating soil microbial biomass,activity,an
The bottleneck analysis of the minimum cost problem for the generalized network (MCPGN) is dis-cussed. The analysis is based on the network simplex algorithm, w
A two-dimensional single-mode laser model with cross-correlation between the real and imaginary parts of the colored quadric pump noise is investigated. A novel