Exciton is electron - hole pair held together by their mutual Coulomb interaction.激子就是由电子和空穴在相互间的库仑力作用下,相互维持在一起的电子 -- 空穴对.As to the emission at 370 nm, It'should result from exciton recombination radiation.而在370nm处的...
我每天都穿那双旧鞋，有一只鞋底已经脱胶了。I wear my old shoes every day. One sole has come unglued.双梯形的试样将产生切变脱胶现象.A double trapezoidal specimen will generate shear debonding.真丝绸脱胶是真丝绸染整加工的一道重要工序.Silk degumming is a key process for silk dyei...