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(chǎn)鎢酸中用機械活化浸取工藝代替堿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(jīng)鹽酸酸化制得了試劑級的磷鎢酸。
