1·Double tungstate crystals show different structures and crystallization habits according to the alkali ions.
双钨酸盐晶体按照碱金属离子的不同，呈现不同的结构和结晶特性。
2·A conversion coating formed on magnesium alloy AM60 with a chromate-free bath mainly composed of silicate and tungstate is studied.
研究了以硅酸盐和钨酸盐为主的无铬化学处理液在镁合金上所形成的转化膜。