( ( The ( target system ) ) ( ( is ( surrounded ( ( by ( an ( insulation ( vacuum tank ) ) ) ) ( , ( ( ( ( consisting ( of ( aluminium tubes ) ) ) ( ( ( above and ) below ) ( the cell ) ) ) and ) ( of ( a ( polyimid foil ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN target) (NN system)) (VP (VBZ is) (VP (VBN surrounded) (UCP (PP (IN by) (NP (DT an) (NN insulation) (NN vacuum) (NN tank))) (, ,) (S (VP (VBG consisting) (PP (IN of) (NP (NN aluminium) (NNS tubes))) (PP (IN above) (CC and) (IN below) (NP (DT the) (NN cell))))) (CC and) (PP (IN of) (NP (DT a) (JJ polyimid) (NN foil)))))) (. .)))
The target system is surrounded by an insulation vacuum tank, consisting of aluminium tubes above and below the cell and of a polyimid foil.
(ROOT (S (NP (DT A) (JJ sealed) (, ,) (JJ vacuum-insulated) (NN reaction) (NN flask)) (VP (VBZ approximates) (NP (NP (DT the) (NN condition)) (PP (IN of) (NP (NP (DT a) (VBN isolated) (NN system)) (, ,) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (NP (CC neither) (NP (NN matter)) (CC nor) (NP (NN heat))) (VP (MD can) (VP (VB be) (VP (VBN exchanged) (PP (IN between) (NP (NN system) (CC and) (NNS surroundings)))))))))))) (. .)))
A sealed, vacuum-insulated reaction flask approximates the condition of a isolated system, in which neither matter nor heat can be exchanged between system and surroundings.