1. The effect of lanthanum on electrochemical properties of zinc anodes ribbon was studied. 研究了镧的加入对牺牲锌阳极带电化学性能的影响。
2. In order to realize the overall sintering of chromic acid lanthanum heating element, it is necessary to add sintering aids in it. 为了使铬酸镧发热元件能够整体烧结，成型前在铬酸镧粉末中加入助烧剂，将收缩率调节一致。
3. The crystal structure and some defects such as tilt boundary and dislocation of lanthanum chromates were investigated by high 用高分辨电子显微镜对铬酸镧的晶体结构及晶界、位错等晶体缺陷进行了观察与分析。
英英解释
n.
1. a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually c
