1 Subjects: “...antibacterial activity...”

2 Subjects: “...anti-inflammatory activity...”

3 Subjects: “...activity...”

4 Subjects: “...human activity...”

5 Subjects: “...hydrolytic enzyme activity...”

6 Subjects: “...apoptosis-inducing activity...”

7 Subjects: “...antioxidant activity...”

8 Subjects: “...human activities...”

9 Subjects: “...permafrost active layer...”

10 Subjects: “...granular-activated carbon...”

11 Subjects: “...granular-activated carbon...”

12 Subjects: “...dual active bridge...”

13 Subjects: “...group activity...”

14 Subjects: “...group activity...”

15 Subjects: “... technology, Empirical study, Project, Projects (Learning Activities), Questionnaire survey, Cross-national...”

16 Subjects: “...activation energy...”

17 Subjects: “...antioxidant/antibacterial activity...”

18 Subjects: “...antioxidant/antibacterial activity...”