Studies indicate that chymist coprecipitation azeotropic distillation can better prevent from hard - agglomeration and obtains homodisperse nanoparticle. 研究表明,在共沉淀法中辅以共沸蒸馏过程,可以较好地防止粉体的硬团聚,得到分散均匀的纳米级超细粉体.
She was silent, her eyes downcast.她一言不发，两眼低垂。Barbara looked increasingly downcast as defeat loomed.当败象已呈时，芭芭拉看上去越来越沮丧。Eyes downcast, she continued eating.她低垂双眼，不停地吃。...
It was Jehan du Moulin who struck out the first flash.磨坊的约翰带头点燃了火花.See, this is the landmark of Moulin Rough.看, 这就是红磨坊的地标.Today the can - can performed at the Moulin Rouge has iconic status in dance throughout the world....
高位闭锁患者结果更糟.Patients with a high pouch have a poorer result.大多数卵泡都经过退化变为闭锁卵泡.Most ovarian follicles undergo an involutional process called follicular atresia.主动脉瓣闭锁不全时脉搏压变宽.The arterial pulse pressure in aortic insufficie...
Auntie Hilda and Uncle Jack couldn't fuss over them enough.希尔达姨妈和杰克姨父对他们宠爱有加。Uncle Richard intoned a chapter from the Bible and improvised a prayer.理查德叔叔吟诵了《圣经》中的一章，又即兴作了一段祈祷文。Auntie and Uncle suggested she serve in...
The white fur of the polar bear is a natural camouflage.北极熊身上的白色的浓密软毛是一种天然的伪装.The Arctic remains the domain of the polar bear.北极仍是北极熊的领地.A polar bear has a preference for cold weather.北极熊喜欢寒冷的天气....