本文报道首次合成了镧系元素的杂多钨铝酸钾 K_(11)[Ln(AIW_(11)、O_(39)H_2)XH_2O(Ln=La、Ce、Pr、Nd、Sm、Gd、Dy)。通过元素分......

The title compound was prepared and treated by high temperature gaseous mix rare earth permeation. ICP, IR, TG-DTA, XPS,......

随着中高级轿车市场消费理念的日趋成熟,对于安全的要求也更为苛刻,因此,拥有一套独到的焊接技术以保证车身安全,已成为各大品牌抢......

...