The substitution degree of sulfated hemicellulose A was 0.36.

所得到的硫酸酯化半纤维素A产品取代度为0．36。

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Corn straw consists mainly of cellulose, hemicellulose and lignin, it is a abundant of renewable resource.

玉米秸秆富含纤维素和半纤维素物质，是很好的可利用再生资源。

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Grass, trees and other biomass feedstocks consist of a mixture of cellulose, hemicellulose and lignin, a tough material that helps plants keep their shape.

草、树和其他生物基原料是由纤维素、半纤维素以及维持植物外形的木质素组合而成的。

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An analogy: think of a pencil, where the lead in the middle is the cellulose fiber, surrounded by unwanted lignin and hemicellulose.

FORBES: Ethanol