SEARCH Articles Figures Tables 13 The Past, Present, and Future of Quantum Chemistry Biodegradable Polymers Past, Present, and Future Environmental Levels - Present, Past and Future Temporal Trends Future Aims and Present Problems PAEK Producers Past, Present and Future Polymers in the Central Nervous System Past, Present and Future Present Situation and Future Perspectives Present Status and Future Prospects Present and Future Aspects Present and Future Potential Present and Future Uses of QS Present and Future Work Present and future of supercritical fluid extraction Present and future perspectives Solid Oxide Fuel Cells Past, Present and Future Soya bean protein fibres - past, present and future Surfactant Production Present Realities and Future Perspectives The Past, Present, and Future The Past, Present, and Future of Chemical Risk Assessment The Present State and Future Prospects of AFC Work