×
模态框（Modal）标题
在这里添加一些文本
Close
Close
Submit
Cancel
Confirm
×
模态框（Modal）标题
×
Home
Journal
Editorial Board
Instruction
Subscription
Solicit
Contact Us
中文
A STUDY ON THE RELATIONSHIP BETWEEN THE CHANGE OF PERFORMANCE AND CRYSTALLINITY OF POLYTETRAF LUOROETHYLENE BY MEANS OF THE POSITRON ANNIHILATION LIFETIME SPECTROSCOPY
SHI ZIKANG
Journal of Applied Sciences . 1994, (
4
): 355 -360 .
