. . "Atomic energy levels." . . "Ketones." . . "Aromatic compounds." . . "(Free radicals." . . "Chemical reactions)" . . "(Photochemical reactions." . . "Electron transitions." . . "Low temperature." . . "Molecular properties)" . . "Dissociation." . . "ROCHESTER UNIV N Y." . . . . . . . . . . . . "Work in the following areas is summarized: behavior of excited singlet and triplet states of several molecules; reactions of triplet states; photochemistry of certain molecules including reactions of radicals. A bibliography of papers published under the grant is given."@en . "The primary photochemical process in complex molecules and the reactions of certain radicals"@en . . . . .