The cyanate Resin is modificated by styrene and divinyl benzene , which are called active diluent.以苯乙烯和二乙烯基苯作为氰酸酯树脂的活性稀释剂,得到粘度低、贮存稳定性好的改性树脂体系.Yttrium serves as an ideal non - magnetic diluent for the rare - earth metals....
一段美满的恋情需要彼此关心并体恤对方的情感。A good relationship involves concern and sensitivity for each other's feelings.通常，只有在母亲面前他的情感才会如此外露。Normally, such an outward display of affection is reserved for his mother.我往往不相信自己的情感，倾向于把一切事...