wolframic acid的用法和樣例：
例句
- This paper introduces the digestion technology of mechanical activation in lieu of that of alkali boiling for manufacturing tungstic acid.
本文介紹在復鹽法生產鎢酸中用機械活化浸取工藝代替鹼煮浸取工藝的新方法。 - Reagent pure phosphato-tungstic acid was prepared by reacting sodium tungstate with dis-odium hydrogen phosphate and acidifying with hydrochloric acid.
由鎢酸鈉與磷酸氫二鈉反應，再經鹽酸酸化製得了試劑級的磷鎢酸。
