( ( ( ( Very low ) ( light intensities ) ) ( of luminescence ) ) ( ( can ( be ( produced ( in ( a ( ( ( stable and ) reproducible ) manner ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (ADJP (RB Very) (JJ low)) (JJ light) (NNS intensities)) (PP (IN of) (NP (NN luminescence)))) (VP (MD can) (VP (VB be) (VP (VBN produced) (PP (IN in) (NP (DT a) (ADJP (JJ stable) (CC and) (JJ reproducible)) (NN manner)))))) (. .)))
Very low light intensities of luminescence can be produced in a stable and reproducible manner.
(ROOT (S (NP (NP (NNP Producing) (NN light)) (PP (IN without) (NP (DT a) (JJ high) (NN temperature)))) (VP (VBZ is) (VP (VBN called) (S (ADJP (JJ luminescence))))) (. .)))