Uses: as the raw material of manufacturing europium oxide.用途: 用作氧化铕的原料.Europium and terbium rare earth complexes with tetracarboxylic acid were successfully prepared in aqueous solution.摘要在水溶液中合成了铕和试的四元羧酸稀土配合物.The comple...
A solution which resists pH changes is known as a buffer solution.能够阻止pH值变化的溶液称为缓冲溶液.It's a kind of glass that resists heat.这是一种耐热的玻璃.It resists the action of acids.它抵抗酸性作用....
显微外科技术对于脑膜瘤手术是不可缺少的. 掌握它.Microsurgical technique is indispensable in the surgery of meningiomas. Master it.目的:分析探讨老年人用显微手术提高蝶骨嵴内侧型脑膜瘤的全切经验.Objective To explore microsurgical totalectomy experience promotion with medial s...
The dawns here in the mountains are very beautiful.这里山区的黎明是很美的.Day breaks .; Day dawns .天亮 了.The dawns were heralded by the descent of a chill stillness.自天而降的一阵寂寞冷落的清寒,引来了一天的黎明.Day dawns in the east.东方破晓。...