Vocabulary consisting only from characters you are able to read
争う
arasou
(1)to compete, to contest, to contend, (2)to quarrel, to argue, to dispute, to be at variance, to oppose, (3)(usu. in negative form) to deny (e.g. evidence) godan, jlpt3, verb, vintrans
研究所
kenkjuudžo
research establishment (institute, laboratory, etc.); research establishment (institute, laboratory, etc.)all, gakkou, shigoto
二重
nidžuu; futae
(1)double, two-fold, two layers, duplex, (pref) (2)diplo-, dipl; (3)double, two-fold, two layers, duplex, (pref) (4)diplo-, dipl mix
黒字
kurodži
balance (figure) in the black