本期刊载了16篇主要文章,其作者有教授、讲师,还有青年教师和学生。他们在各自的研究领域都取得了一定的研究成果。王志的论文在国内首次系统论述了痕量化学的基础理论,属于国内领先水平,对于高等学校痕量分析、痕量化学的科研和教学都有指导意义。该论文是其作者在美国做访问学首三年归国后欲发表的系列文章的第一篇。 This issue contains 16 major articles written by professors, lecturers, young teachers and students. They have achieved some research results in their respective fields of research. Wang Zhi’s thesis discusses systematically the basic theory of trace chemistry for the first time in our country and belongs to the leading level in China. It is of guiding significance to the research and teaching of trace analysis and trace chemistry in colleges and universities. The paper is the first in a series of articles to be published by its author after returning from his first three years in the United States.