青稞秸秆化学成分及纤维形态研究

›› 2010, Vol. 44 ›› Issue (2): 40-42.

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Study on Chemical Components and Fiber Morphology of Highland Barley Stalk

LI Hai-chao^1,2, XU Gui-yu¹, WANG Hang²

1. Faculty of Chemistry and Life Science, Qinghai Nationalities University, Xining 810007, China;2. College of Material Science and Technology, Northeast Forestry University, Harbin 150040, China

Received:2009-08-06 Revised:1900-01-01 Online:2010-03-30 Published:2010-03-30

Abstract

Abstract: Chemical compositions and fiber morphology of the highland barley (Hordeum vulgare L.var.nudum hook.f.) stalks were analyzed. The results showed that: the mass fraction of ash is as high as 10.34%, lignin and cellulose contents of the highland barley stalks are similar to common straw stalks. Highland barley stalks contain smaller size fibers from fiber morphology. The mass fraction of different fibers length are as follows: 0-0.5 mm about 42.24%. 0.5-1.5 mm about 47.49%, 1.5-7.6 mm about 10.26%. Average fiber length is 0.38 mm. Fiber aspect ratio is 20.32 and fiber ratio of wall to cavity (CTW) is 0.45.

Key words: highland barley stalk, chemical composition, fiber morphology

CLC Number:

TQ91
TS721

LI Hai-chao;XU Gui-yu;WANG Hang. Study on Chemical Components and Fiber Morphology of Highland Barley Stalk[J]. , 2010, 44(2): 40-42.

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Study on Chemical Components and Fiber Morphology of Highland Barley Stalk

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