After acid has been concentrated phosphoric acid concentration.
稀酸经过浓缩得到浓磷酸。
Add 5 ml. concentrated sulphuric acid to 100 ml. water sample and shake well.
把大约5亳升的浓硫酸加进100亳升的水样本中，混匀。
An acid solution is concentrated when it has very much acid in it.
当酸性溶液里含有很多酸时，它就被浓缩了。
The loss of ascorbic acid in the concentrated apple juice processing were studied.
浓缩苹果汁时，在果汁酶解澄清操作中，抗坏血酸的损失最大，约为66％；
The loss of ascorbic acid in the concentrated apple juice processing were studied.
浓缩苹果汁时，在果汁酶解澄清操作中，抗坏血酸的损失最大，约为66％；
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