1 Subjects: “...nitrogen use efficiency...”

2 Subjects: “...nitrogen use efficiency...”

3 Subjects: “...nitrogen use efficiency...”

4 Subjects: “...nitrogen-use efficiency...”

5 Subjects: “...nitrogen use efficiency...”

6 Subjects: “...OEE-Overall Equipment Efficiency...”

7 Subjects: “...energy efficiency in buildings...”

8 Subjects: “...efficiency optimization...”

9 Subjects: “...PCS efficiency...”

10 Subjects: “...PCS efficiency...”

11 Subjects: “...efficiency...”

12 Subjects: “...efficiency...”