..............page:1-4,22
Behaviour of He~+ ionic ionization in laser field
an wei-ke 1; 2 ; shi chun-hua 2; liu jing 1(1.department of physics; hunan institute of science and technology; yueyang 414000; china)(2.department of physics; shanghai university; shanghai 200436; china)
..............page:47-50
On a number theory function
mu shan-zhi; liu hua(department of foundation courses; jiangsu teachers college of technology; changzhou 213001; china)
..............page:12-13
..............page:38-41,50