说明: 硝酸镧溶于水,在潮湿的空气中易潮解.Description: Lanthanum Nitrate is soluble in water and moisture in wet air.详细信息:性状: 白色流动粉末, 在空气中极易潮解,能溶于水.Properties : White or mild yellow crystal, easy deliquescence and easily water - soluble.为白色...
他用右手抓住了一块凸起的岩石。He grabbed at a protrusion of rock with his right hand.裂缝、凸起、剥落的勾缝和湿斑都意味着存在问题。Cracks, bulges, crumbling pointing and damp patches mean trouble.海伦的双手枯瘦，青筋凸起。Helen's hands were thin and veined....
Automation, networking and informationization are the mainstreams of the power industry development.自动化 、 网络化和信息化是目前电力行业发展的主流.Advanced Networking Test Center. An FDDI interoperability testing center established in 1990.高...