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...
The announcement came after a three-hour Cabinet meeting in Downing Street.在唐宁街进行了长达3个小时的内阁会议后发布了这份公告。...Downing Street's press office.唐宁街新闻办公室Speaking outside Ten Downing Street, she declared that she would fight o...
Objective To observe the liver damage by antituberculotic in the short - period treatment.目的观察抗结核药物短程化疗对肝功能的损害情况.Methods: To pour antituberculotic gluey drugs through fiberoptic bronchoscope to the endotracheal mucosa su...
And a few weeks later when a tiny chick hatched, their happiness know no bounds.几个星期后,一只小鸟破壳而出, 它们欣喜万分.The chickens have already hatched.小鸡已经孵出来了。The chicks have already hatched.小鸡已经孵出来了。They hatched a plot to murder the...