铜板

This paper initially discussed synthesis and modification of tetrafunctional epoxy resin(1,1,2,2- tetrakis(hydroxy phenye)ethane),as well as application in copper clad laminate.

对四官能环氧树脂[1,1,2,2-四(对羟基苯基)乙烷四缩水甘油醚]的合成与改性及在覆铜板中的应作了初步探讨,并对其屏蔽与产生荧光的机作作了简单阐。

Using the etching needle, litho crayon, various aquatint solutions, or greasy tusche washes on copperplates or lithostones, artist such as John Cage, E.

刻针，石版画有色粉笔，各种凹铜版腐蚀制版法，或者多脂制版墨粉刷到铜板或石版上。