1 Subjects: “...energy efficient coverage...”

2 Subjects: “...Combustion efficiency...”

3 Subjects: “...energy-efficient job shop scheduling...”

4 Subjects: “...technical and super-efficiencies...”

5 Subjects: “...energy efficiency modelling...”

6 Subjects: “...high energy efficiency...”

7 Subjects: “...computational efficiency...”

8 Subjects: “...energy efficiency...”

9 Subjects: “...sediment flushing efficiency...”

10 Subjects: “...transfer efficiency...”

11 Subjects: “...charge separation efficiency...”

12 Subjects: “...high accuracy and efficiency...”

13 Subjects: “...efficiency...”

14 Subjects: “...efficiency...”

15 Subjects: “...energy efficiency...”

16 Subjects: “...energy efficiency...”

17 Subjects: “...high efficiency...”

18 Subjects: “...high efficiency...”

19 Subjects: “...high efficiency...”

20 Subjects: “...PCS efficiency...”