The transformation and production rearrangement of the crude benzol distillation system are described.介绍了粗苯蒸馏系统的改造和生产调整情况.METHOD: Using Chapman rearrangement to prepare 2, 6? dichloro? diphenylamine.方法: 应用 Chapman 重排制备2,...
I was angry at his slipshod work.我为他工作粗心而生气.The hotel had always been run in a slipshod way.该酒店的管理一向马虎。Don't do your work in a slipshod manner . You should be conscientious and have a sense of responsibility.对工作不能随随...
目前芝加哥风格从实质上来说是一种自觉地重新流行起来的历史性奇特事物.Today Chicago style is essential a historical curiosity, revived self - consciously.主要的历史性变化是发生在大陆上.The chief historical changes were to take place on the mainland.《透视911》为您揭露那历史性的一天中,所有...
Its day-to-day finances are in a critical state.其日常财务状况十分糟糕。In general, women manage the day-to-day finances but leave most longer-term decisions to men...通常，妇女管理日常财务，而把大多数较长期的决策交给男人。The fact of the matter is that studen...
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...