1 Subjects: “...Laws and regulations of ionizing radiation...”

2 Subjects: “...environmental regulations...”

3 Subjects: “...energy policies and regulations...”

4 Subjects: “...regulated deficit irrigation (RDI)...”

5 Subjects: “...load regulation...”

6 Subjects: “...regulated e-waste recycling...”

7 Subjects: “...environmental regulations...”

8 Subjects: “...variable-flow regulation model...”