The article analyzes general and specific types of evaluation actualized in bisubstantive sentences in scientific articles in various specialties. It is noted that bisubstantive sentences are a productive means of expressing evaluative meaning. Although scientific articles have been revealed to express a predominately neutral evaluation, almost 12% of all analyzed examples have positive or negative assessments. The expression of evaluation in sentences with the lexeme “problem” is considered and the use of intensifiers with this lexeme is analyzed.