( ( In ( ( the end ) ( -LRB- ( ( after ( ( three ( years ' ) ) use ) ) -RRB- ) ) ) ) ( , ( ( ( 100 kg ) ( of ( ( spent ( nuclear fuel ) ) ( from ( a ( VVER-1000 reactor ) ) ) ) ) ) ( ( will ( contain ( ( 740 g ) ( of ( ( ( ( ( long-lived ( plutonium isotopes ) ) ( -LRB- ( ( emitting ( alfa radiation ) ) -RRB- ) ) ) , ) and ) ( ( some ( 4 kg ) ) ( of ( other ( long-lived ( trans-uranium ( radio nucleides ) ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (NP (DT the) (NN end)) (PRN (-LRB- -LRB-) (PP (IN after) (NP (NP (CD three) (NNS years) (POS ')) (NN use))) (-RRB- -RRB-)))) (, ,) (NP (NP (CD 100) (NN kg)) (PP (IN of) (NP (NP (VBN spent) (JJ nuclear) (NN fuel)) (PP (IN from) (NP (DT a) (NN VVER-1000) (NN reactor)))))) (VP (MD will) (VP (VB contain) (NP (NP (CD 740) (NN g)) (PP (IN of) (NP (NP (NP (JJ long-lived) (NN plutonium) (NNS isotopes)) (PRN (-LRB- -LRB-) (NP (JJ emitting) (NN alfa) (NN radiation)) (-RRB- -RRB-))) (, ,) (CC and) (NP (NP (DT some) (CD 4) (NN kg)) (PP (IN of) (NP (JJ other) (JJ long-lived) (NN trans-uranium) (NN radio) (NNS nucleides))))))))) (. .)))
In the end (after three years' use), 100 kg of spent nuclear fuel from a VVER-1000 reactor will contain 740 g of long-lived plutonium isotopes (emitting alfa radiation), and some 4 kg of other long-lived trans-uranium radio nucleides.
(ROOT (S (NP (DT The) (JJ long-lived) (NNS isotopes)) (VP (VBP require) (NP (NP (NNS thousands)) (PP (IN of) (NP (NP (NNS years)) (PP (TO to) (NP (NN decay)))))) (PP (TO to) (NP (NP (DT a) (JJ safe) (NN level)) (PP (IN in) (NP (DT a) (JJ nuclear) (NN reactor)))))) (. .)))