Gastric juice contains hydrochloric acid to provide an acidic solution for pepsin.
胃液内含有盐酸给胃蛋白酶提供酸溶液。
The dissolution of pyrite in acidic solution was relatively fast and easily ranched to dissolution equilibrium.
黄铁矿在酸性溶液中溶解速率相对较快，并且容易达到溶解平衡。
The librated ammonium is distilled, collected in an acidic solution, and determined by a neutralization titration .
蒸馏衩收集在酸性溶液中，再利用中和滴定进行测定。
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