1 Subjects: “...waste utilization...”

2 Subjects: “...energy utilization...”

3 Subjects: “...energy utilization...”

4 Subjects: “...carbon source utilization...”

5 Subjects: “...waste utilization...”

6 Subjects: “...carbon capture and storage/utilization...”

7 Subjects: “...utilization...”

8 Subjects: “...nitrogen utilization...”

9 Subjects: “...by-product utilization...”

10 Subjects: “...temperature utilization rate...”

11 Subjects: “...light and heat resource utilization...”

12 Subjects: “...nutrient utilization...”

13 Subjects: “...bio-waste utilization...”

14 Subjects: “...utility grid...”

15 Subjects: “...Energy industries & utilities / bicssc...”

16 Subjects: “...utility value...”

17 Subjects: “...phosphorus utilization...”

18 Subjects: “...phosphorus utilization...”