( ( Physical ( property measurements ) ) ( ( include ( ( ( ( ( ( powder ( flow properties ) ) , ) ( true ( particle ( and ( packed density ) ) ) ) ) , ) and ) ( particle ( size distribution ) ) ) ) . ) )
(ROOT (S (NP (JJ Physical) (NN property) (NNS measurements)) (VP (VBP include) (NP (NP (NN powder) (NN flow) (NNS properties)) (, ,) (NP (JJ true) (NN particle) (CC and) (NN packed) (NN density)) (, ,) (CC and) (NP (NN particle) (NN size) (NN distribution)))) (. .)))
Physical property measurements include powder flow properties, true particle and packed density, and particle size distribution.
(ROOT (S (NP (NP (NNP Density)) (PP (IN of) (NP (NN matter)))) (VP (VBZ reflects) (SBAR (WHADVP (WRB how) (RB closely)) (S (VP (VBD packed) (SBAR (S (NP (NP (DT the) (NNS particles)) (PP (IN of) (NP (NN matter)))) (VP (VBP are)))))))) (. .)))