This paper mainly presents the test conditions of aspen CMP pulp bleached by H2O2. The result shows that a brightness of 79% can be achieved by pretreatment of 1% H2SO4 and two stages bleaching of 2%, 4%H2O2.
研究了杨木CMP浆H2O2漂白的试验条件。
参考来源 - 杨木CMP绒毛浆H·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
N-VAR An aspen is a tall tree with leaves that move a lot in the wind. 山杨
Instead, coniferous trees will invade the aspen grove's borders and increasingly block out sunlight needed by the aspens.
相反，针叶树将侵入白杨树林的边界，越来越多地遮挡白杨所需的阳光。
A group of thousands of aspens can actually constitute a single organism, called a clone, that shares an interconnected root system and a unique set of genes.
一群成千上万的白杨实际上可以组成一个单独的有机体，被称为克隆，它们共享一个相互连接的根系和一套独特的基因。
Then I noticed these aspens leaves and snow at my neighbor's cabin.
于是我注意到在我邻近的小屋傍边的山杨叶片上的积雪。
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