Related by context. Frequent words. (Click for all words.) 54 combustors 53 hybrid 52 thermal oxidation 52 porous silicon 52 catalytic reactions 52 thermo chemical 52 catalytically 51 metal hydride 51 membrane PEM fuel 51 Coal gasification 51 hydrogen 50 nanoporous 50 ultracold 50 photobioreactors 50 subcritical 50 scintillator 50 thermoelectric materials 50 oxidiser 50 macromolecule 49 hybrid powertrains 49 nano engineered 49 thermochemical 49 metal hydrides 49 breeder reactors 49 multiscale 49 soliton 49 cathode materials 49 Solid Oxide Fuel Cell 48 functionalization 48 fast breeder reactor 48 propulsion 48 sodium borohydride 48 solids liquids 48 lithium polymer 48 aqueous phase 48 electrochemically 48 lignocellulose 48 selenide 48 superconducting wire 48 phytochrome 48 oxidizing agent 48 formate 48 cell SOFC 48 artificial photosynthesis 48 sequestration CCS 48 ceria 48 elementary particle physics 48 nano particle 48 bacterial fermentation 48 optical spectroscopy 48 tokamak 48 nanosystems 48 nanotechnological 48 iron phosphate 48 Neutrons 48 nanocomposite materials 48 thermoplastic composite 48 SCiB 48 magnetron 47 adsorbents 47 dispersive 47 supercritical carbon dioxide 47 magnetic particle 47 boron nitride 47 chilled ammonia 47 hydroxyl radicals 47 electrolyser 47 electrolyzed water 47 alpha particles 47 ultracold atoms 47 Ovonic 47 uranium dioxide 47 fiber coax HFC 47 fullerene 47 diffusive 47 ramjet 47 polymer composite 47 nanoelectronic 47 nano coating 47 chemical reactivity 47 semiconducting materials 47 photobioreactor 47 fluidized bed 47 peroxides 47 algae biomass 47 rocket propellant 47 robotic welding 47 CANDU reactor 46 spintronic 46 SWCNTs 46 biosynthetic 46 biomass combustion 46 thermodynamically 46 biogasoline 46 membrane electrode assemblies 46 Supercritical 46 fission 46 photochemistry 46 nanobubbles 46 nano structured 46 Americium