中国物理学会质谱分会第五届全国理事扩大会议于 2 0 0 1年 2月 2 7— 2 8日在北京召开。会议由刘敦一理事长主持召开 ,第五届理事会 45名理事中有32名理事参与了本次理事扩大会 ,并行使了他们的权利。根据 2 0 0 1年 2月 12日由理事长和二位副理事长参加的常务理事会的决定 , Chinese Physics Society of Mass Spectrometry branch of the Fifth National Council to expand the meeting in February 2001 2 2-8 February in Beijing. The meeting was presided over by Chairman Liu Dunyi and 32 of the 45 members of the fifth council participated in the enlargement of the council and exercised their rights. According to the decision of the Standing Council, attended by the chairman and two vice-chairmen on February 12, 2001,