( ( ( Using ( electron spectroscopy ) ) ( for ( ( chemical analysis ) ( -LRB- ( ESCA -RRB- ) ) ) ) ) ( , ( ( models ( explaining ( ( corrosion behavior ) ( of ( metal surfaces ) ) ) ) ) ( ( are ( being developed ) ) . ) ) ) )
(ROOT (S (S (VP (VBG Using) (NP (NN electron) (NN spectroscopy)) (PP (IN for) (NP (NP (NN chemical) (NN analysis)) (PRN (-LRB- -LRB-) (NP (NNP ESCA)) (-RRB- -RRB-)))))) (, ,) (NP (NP (NNS models)) (VP (VBG explaining) (NP (NP (NN corrosion) (NN behavior)) (PP (IN of) (NP (NN metal) (NNS surfaces)))))) (VP (VBP are) (VP (VBG being) (VP (VBN developed)))) (. .)))
Using electron spectroscopy for chemical analysis (ESCA) , models explaining corrosion behavior of metal surfaces are being developed.
(ROOT (S (NP (NP (DT The) (JJ chemical) (NN behavior)) (PP (IN of) (NP (NNS elements)))) (VP (MD can) (ADVP (RB largely)) (VP (VB be) (VP (VBN explained) (PP (IN by) (NP (NN electron) (NNS configurations)))))) (. .)))