SEARCH Articles Figures Tables Chain - direction initiation Critical Energy for Direct Initiation of Spherical Detonation Detonations direct initiation Direct Identification of the Initiation Products (Initial Species) Direct molecular dynamics, adiabatic systems initial conditions Direct photolysis of the initiator Direction initial reaction Ephrins with bi-directional signaling initiation Initial relaxation direction Initial relaxation direction , direct Initial relaxation direction, IRD Initiation direction dependence