Under UHV condition, the C-O stretching mode properties of diacetate cellulous (C_2H_8O_3-(COOCH_3)_2) adsorbed on polycrystalline Ag surface were studied by using PAS.

• 本工作在超高真空条件下用光声谱(PAS)研究了有机大分子双醋酸纤维素(C_2H_8O_3·(COOCH_3)_2)吸附在多晶Ag表面的振动模性质。