Methods Reaction is held under the strong acid condition.

方法在强酸性条件下反应。

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The removal effect of phenol was good in acid condition, but poor in alkaline condition.

在酸性条件下苯酚的去除效果较好，碱性条件下降解率很低。

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The chlorophyll in green vegetables easily fades out in acid condition or when being heated.

绿色蔬菜中的叶绿素在酸性条件下，或在加热过程中容易褪色。

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Professors Brian Wharton and Ian Booth, from the Institutes of Child Health in London and Birmingham, warned that in people with vitamin B12 deficiency, consumption of folic acid may mask a condition called megaloblastic anaemia - which if not picked up can lead to degeneration of the spinal cord.

BBC: Caution urged over folic acid

Frequent heartburn or acid reflux are symptoms of a condition called GERD, or gastroesophageal reflux disease, which occurs when a sphincter muscle in the lower esophagus stops working properly.

WSJ: New Surgical Option for Heartburn

For instance, Dannenberg says, Celebrex is being tested in human trials to prevent Barrett's Esophagus, a pre-malignant condition associated with some cases of serious acid reflux (otherwise known as heartburn) that reach up into the esophagus.

FORBES: Magazine Article