It researchs a semantic model of chemistry subject and its formulized description,so as to realize the semantic analysis,automatic integration and reuse of educational resources in the subject.

• 为了方便管理和有效使用各类教育资源,让计算机理解各门学科中概念的语义,本文采用了建立学科语义模型的方法,研究了化学学科的语义模型及其形式化描述。