erosionerosiveesterificationetch resistetchantetchingeurophicationevaporateevaporationevaporative coolingevolutionex vivoexcavationexcitationexcluded volumeexhaustion methodexoskeletonexothermexothermicexothermic heatexothermicityexpanded polystyreneexpanderexpansionexpansion coefficientexpelexperimentalexplicitexplosionexponentialexponential fitexposureexposure doseextended chainextenderextension rateextensional stiffnessextensional stressextensive mixingexternal radiationextinction positionextract phaseextractableextractionextraction batteryextraction liquidextrapolationextrinsic lossextrudateextruder