SEARCH Articles Figures Tables Activation energy defining equation Activation energy, apparent defining equation Activation energy, defined Activation temperature 0, defined Activators defined Activators defined Active catalyst, defined Active device, 355 defined Active pharmaceutical ingredient defined Active sites defined Active transport defined Activity coefficient defined Activity defined Activity-based costing defined Chemical activity, defined Define Activities to Support Themes Define Unique Activities to Support These Streams Defining activation Design of Well-Defined Active Sites on Crystalline Materials for Liquid-Phase Oxidations Energy of activation defined Identity activation function, defined Intrinsic activity, defined Metabolic activation, organic defined Optical activity, defined Optically active particles defined Quantitative structure-activity defined Sigmoid activation function, defined Solute defining activity Stoichiometric Activity of Well-Defined, Metal Alkylidenes with Alkanes Transfer activity coefficient defined Unit activity, defined