1 Subjects: “...ammonia emissions...”

2 Subjects: “...emission...”

3 Subjects: “...red emission...”

4 Subjects: “...emissions mitigation...”

5 Subjects: “...CO2 emissions...”

6 Subjects: “...acoustic emission...”

7 Subjects: “...thermal emissivity...”

8 Subjects: “...emission intensity...”

9 Subjects: “...CO2 emission reduction...”

10 Subjects: “...carbon emissions...”

11 Subjects: “...N2O emission factor...”

12 Subjects: “...emission of pollutants...”

13 Subjects: “...carbon emission...”

14 Subjects: “...acoustic emission...”

15 Subjects: “...emission...”

16 Subjects: “...emission...”