Tungstates were formed through strong interaction of WO3 with MgO and CaO from cordierite support as determined by X-Ray diffraction.

• 经X-线衍射分析证明,在1100℃高温下,WO_3与堇青石载体中的氧化镁和氧化钙发生强相互作用,生成了相应的钨酸盐。