A series of supported tungsten phosphide catalysts were prepared by the method of temperature-programmed reduction of phospho-tungstate in hydrogen. 本文采用氢气程序升温还原磷钨酸盐的方法，制备了一系列负载型磷化钨催化剂。
Tungsten Carbide jaws also benefit from being very sharp without becoming too brittle. 碳化钨颚还得益于其锋利，同时又不会容易断裂。
