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 research showed that the veneers are not only lighter in color and even in tone after bleaching treatment but also no contamination on the its face, which is good for dyeing.

研究表明，经漂白处理的单板，颜色明显变浅，色调也比较均匀，而且还消除了板面污染，对单板的染色十分有利。

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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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