The present invention is directed to a method of efficiently maintaining or increasing brightness and whiteness of refined paper.

本发明涉及有效维持或提高精磨纸的亮度和白度的方法。

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The ability of different kinds of wood rotting fungi in increasing brightness and suppressing heat induced color reversion of CMP was studied.

用各种木材腐朽真菌及粗酶液处理化机浆，检测其对提高纸浆白度和抑制纸浆热返黄的作用。

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But there is a way to counter the increasing brightness of the Sun, the scientists believe - just increase the radius of the Earth's orbit!

BBC: Blue Marble Nasa