Both ionization and excitation lead to eletronic transitions that may be the emission of light.电离和激发都将导致可能伴随有光发射的电子跃迁.Forbidden transitions are those for which dipole radiative transitions are not allowed by the selectio...
The transitions of bisphenol A and phenolphthalein oligo -- polysulfones were inves - tigated by DSC.本工作用示差扫描量热法(DSC)研究了双酚A型和酚 酞 型两种聚砜预聚物的转变.Forbidden transitions are those for which dipole radiative transitions are not ...
接受了洗礼的她纯洁无瑕。She was baptized and she was pure and clean of sin.一阵强烈而纯洁的爱意涌遍他全身。A rush of pure affection swept over him.在面颊上纯洁的一吻a chaste kiss on the cheek...
This had once been the greatest port in the world, now it was a graveyard of rusting cranes.这里一度是全球最大的港口，现在堆满了锈迹斑斑的吊车。Zinc can be used to cover other metals to stop them rusting.锌可用来涂在其他金属表面以防锈.Even cars that were mechan...
Suddenly he began writing in sheer panic , only imperfectly aware of what he was setting down.突然,他慌里慌张写起字来, 只是朦朦胧胧意识到自己写的是什么.That is, because she expressed imperfectly her thoughts were imperfect.也就是说, 因为她表达得不够完善,她的思想也不够...
那一周中的大事就是那场大暴风雪.The important event of the week was the big storm.11月20日周一,布里奇确定不参加周中的比赛了.Mon November 20 th Bridge is definitely out of the European trip....