合著网络具有小世界特性和无标度特性；天津师范大学化学学院核心作者较少、国际合作水平较低、主导性合作较弱。
Co-network has small world properties and scale-free property ; Tianjin Normal University , College of Chemistry , which has lower level of international cooperation , and the leading co-operation is weak .
天津师范大学化学学院