heteropolyacidsalts相关论文
Heteropolyacid Salts as Self-Separation and Recyclable Catalysts for Transesterification of Trimethy
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以二甘醇和乙醇为原料合成二甘醇乙醚，发现磷钨酸银、硅钨酸银具有较高的催化活性和稳定性，单醚、双醚的收率分别为６５．３％和７０．４％，３次反应后，单醚、......
