1. Introduction　　This paper adopts one approach-the narrative approach to conduct a research on an example of workplac......

For an integer p ≥ 2 we construct vertical and horizontal one-pth Riordan arrays from a Riordan array.When p = 2 one-pt......

The further development of industrialization accelerates the crisis between man and nature, man and man.This novel mainl......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......