hydro-energy conversion
hydro-energy generating capacity
Pumped Hydro Energy Storage
recovering hydro-energy
coordination between pumped storage hydro and wind energy
Non-Hydro Renewable Energy
hydro-hydro interconnected power system
Hydro-electrical and Hydro Survey
Budget of kinetic energy and total potential energy
center-of-mass energy (=COM energy)
dissipation of energy and transformation of energy
EE(Energy-to-Energy) gain
Energy and Energy Conservation in Ningxia
Energy Conservation and Energy Consumption Reduction
energy consumption for energy efficiency of building
energy equivalent gross strain energy
Energy Loss Reduction and Energy Saving