SEARCH Articles Figures Tables EQUILIBRIUM CONCEPTS IN NATURAL WATER SYSTEMS Molecular Concepts of Water Splitting Natures Approach Past Concepts of High Temperature Water and Steam Cooled Reactors Random network concept, water Review of High Temperature Water and Steam Cooled Reactor Concepts Supercritical water-cooled reactor pressure vessel concept Supercritical water-cooled reactor system concept Water clustering concept Water structure concept Water substitute concept, product