镧镨铈混合稀土 ( LPC ) 是新型专利成分的混合稀土.Lanthanum praseodymium - cerium rare earth ( LPC ) was a patent composition.导致萤光发色基团所处的微环境也相应变化;并运用它推测了镧离子对该酶的激活作用机制.The activation mechanism of La ( III ) to the HRP was also discussed.说明: 硝...
He was a stern critic but an extremely kindly man.他是个苛刻的批评家，但却是个非常善良的人。I left Oxford in 1961 hungry to be a critic.我于1961年离开牛津，渴望成为一名评论家。Alexander Lazarus is a food critic for the newspaper.亚历山大·拉扎勒斯是为该报撰稿的饮食评论家。...
A mallard suddenly took wing, rising steeply into the air with an angry squawk.一只绿头鸭突然飞起，愤怒地尖鸣一声直冲天空。It was Brently Mallard who entered , a little travel - stained, composedly carrying his gripsack and umbrella.走进来的正是布伦特...