..............page:52-54,71
Preparation of Polyacrylamide with Super High Molecular
wu yan-bo1; liu guang-shun2; zhang bao-jun3(1.school of environmental and chemical engineering; dalian jiaotong university; dalian 116028; china; 2.department of petrochemical engineering; daqing petroleum institute; daqing 163318; china; 3.institute of daqing petrochemical complex; daqing 163714; china)
..............page:89-92
..............page:76-79,84
Study of Lagrange Interpolation Problem in R~s
li zhi-bin1; li wei1; wan chao-yan2(1.dept.of mathematics and physics; dalian jiaotong university; dalian 116028; china; 2.school of mechanical engineering; dalian jiaotong university; dalian 116028; china)
..............page:1-4
..............page:18-21,36