利用凝胶色谱、 红外光谱、 紫外光谱研究了乙醇胺循环法对高纯木素分离的影响。
The effects of ethanolamine circulation on separating highly pure lignin were studied by GPC, IR spectrum and UV spectrum.
墙壁镶嵌有雕刻花纹的桃红心木，并配有一系列名贵家具，纯木地板及精致的波斯地毯。
The walls are carved paneling stained in mahogany, with impressive furniture groupings, rich wood floors, and the finest Persian area rugs.
切尼还收到一个价值490美元的纯银雕花碗；一个由Fornari &Fornari制作的镀银苹果，价值350美元；还有一只120美元的“并木”牌黑色碳素钢笔。
He also received a $490 sterling silver engraved bowl, a $350 silver apple made by Fornari and Fornari, as well as a $120 Namiki Vanishing Point Black Carbonesque pen.
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