( She ( ( can ( ( ( cause ( luminescence ( of ( crystal lumiphors ) ) ) ) and ) ( ( produce changes ) ( in ( ( the spectrum ) ( of ( ( visible light ) ( absorbed ( by ( liquid crystals ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP She)) (VP (MD can) (VP (VP (VB cause) (NP (NP (NN luminescence)) (PP (IN of) (NP (NN crystal) (NNS lumiphors))))) (CC and) (VP (VB produce) (NP (NNS changes)) (PP (IN in) (NP (NP (DT the) (NN spectrum)) (PP (IN of) (NP (NP (JJ visible) (NN light)) (VP (VBN absorbed) (PP (IN by) (NP (JJ liquid) (NNS crystals))))))))))) (. .)))
She can cause luminescence of crystal lumiphors and produce changes in the spectrum of visible light absorbed by liquid crystals.
(ROOT (S (NP (NP (NNP Producing) (NN light)) (PP (IN without) (NP (NN heat)))) (VP (VBZ is) (VP (VBN called) (S (ADJP (JJ luminescence))))) (. .)))