The results demonstrated that the enamel surfaces after bleaching were something like having been etched.

结果发现，经漂白后的牙釉质面呈轻度类似于酸蚀后的改变。

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Acidifying after bleaching is necessary but can result in the brightness decrease of the pulp, however it is not the case for APMP.

漂白后进行酸化是有必要的，但会带来白度的降低，而化机浆则出现相反的情况。

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The cotton gray fabric has a colour of yellowish-white. After bleaching there occur var-ious coloured defects (usual blue and red) on it.

棉织物坯布呈米黄色，漂白后布面上呈现各种有色疵点，其中以红色和蓝色为主。

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Four weeks after the peak summer temperatures, the coral bleaching started.

ECONOMIST: Life��s a bleach, and then you die

But the industry has a large offsetting advantage: It is still rebounding from a shakeout a few years ago after environmentalists forced paper companies to stop using chlorine as a bleaching agent (many shifted to supposedly greener hydrogen peroxide).

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