( ( Powdered ( titanium hydride ) ) ( ( is ( ( ( used ( as ( ( a ( foaming agent ) ) ( in ( ( the production ) ( of ( metal foams ) ) ) ) ) ) ) , ) ( as ( it ( decomposes ( to ( ( form ( titanium ( and ( hydrogen gas ) ) ) ) ( at ( elevated temperatures ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Powdered) (NN titanium) (NN hydride)) (VP (VBZ is) (VP (VBN used) (PP (IN as) (NP (NP (DT a) (VBG foaming) (NN agent)) (PP (IN in) (NP (NP (DT the) (NN production)) (PP (IN of) (NP (NN metal) (NNS foams))))))) (, ,) (SBAR (IN as) (S (NP (PRP it)) (VP (VBZ decomposes) (S (VP (TO to) (VP (VB form) (NP (NN titanium) (CC and) (NN hydrogen) (NN gas)) (PP (IN at) (NP (JJ elevated) (NNS temperatures))))))))))) (. .)))
Powdered titanium hydride is used as a foaming agent in the production of metal foams, as it decomposes to form titanium and hydrogen gas at elevated temperatures.
(ROOT (S (NP (NNP Hydrogen)) (VP (VBZ is) (PP (IN in) (NP (NP (NN gas) (NN form)) (PP (IN at) (NP (NN room) (NN temperature)))))) (. .)))